Tag Archives: high bearing

China high quality Wheel Hub Bearing for 513084 for Chrysler, Jeep with high quality

Product Description

Contact Person: Frank
Mobile:

Product Specification:
Front Axle

Flange Diameter: 6.043 In.
Bolt Circle Diameter: 4.500 In.
Wheel Pilot Diameter: 2.812 In.
Brake Pilot Diameter: 2.832 In.
Flange Offset: 2.133 In.
Hub Pilot Diameter: 3.942 In.
Hub Bolt Circle Diameter: 4.750 In.
Bolt Size: 1/2-20
Bolt Quantity: 5
Bolt Hole MET: M12X1.75
Bolt Hole qty: 3
Flange Shape: TRIANGULAR
ABS Sensor: Yes
Number of Splines: 27
 

Remark:
1. Price term: FOB.
2. Packing: Neutral Box.
3. Delivery date: 45 days after receive the deposit.

 

Standard Length Splined Shafts

Standard Length Splined Shafts are made from Mild Steel and are perfect for most repair jobs, custom machinery building, and many other applications. All stock splined shafts are 2-3/4 inches in length, and full splines are available in any length, with additional materials and working lengths available upon request and quotation. CZPT Manufacturing Company is proud to offer these standard length shafts.
splineshaft

Disc brake mounting interfaces that are splined

There are 2 common disc brake mounting interfaces, splined and center lock. Disc brakes with splined interfaces are more common. They are usually easier to install. The center lock system requires a tool to remove the locking ring on the disc hub. Six-bolt rotors are easier to install and require only 6 bolts. The center lock system is commonly used with performance road bikes.
Post mount disc brakes require a post mount adapter, while flat mount disc brakes do not. Post mount adapters are more common and are used for carbon mountain bikes, while flat mount interfaces are becoming the norm on road and gravel bikes. All disc brake adapters are adjustable for rotor size, though. Road bikes usually use 160mm rotors while mountain bikes use rotors that are 180mm or 200mm.
splineshaft

Disc brake mounting interfaces that are helical splined

A helical splined disc brake mounting interface is designed with a splined connection between the hub and brake disc. This splined connection allows for a relatively large amount of radial and rotational displacement between the disc and hub. A loosely splined interface can cause a rattling noise due to the movement of the disc in relation to the hub.
The splines on the brake disc and hub are connected via an air gap. The air gap helps reduce heat conduction from the brake disc to the hub. The present invention addresses problems of noise, heat, and retraction of brake discs at the release of the brake. It also addresses issues with skewing and dragging. If you’re unsure whether this type of mounting interface is right for you, consult your mechanic.
Disc brake mounting interfaces that are helix-splined may be used in conjunction with other components of a wheel. They are particularly useful in disc brake mounting interfaces for hub-to-hub assemblies. The spacer elements, which are preferably located circumferentially, provide substantially the same function no matter how the brake disc rotates. Preferably, 3 spacer elements are located around the brake disc. Each of these spacer elements has equal clearance between the splines of the brake disc and the hub.
Spacer elements 6 include a helical spring portion 6.1 and extensions in tangential directions that terminate in hooks 6.4. These hooks abut against the brake disc 1 in both directions. The helical spring portion 5.1 and 6.1 have stiffness enough to absorb radial impacts. The spacer elements are arranged around the circumference of the intermeshing zone.
A helical splined disc mount includes a stabilizing element formed as a helical spring. The helical spring extends to the disc’s splines and teeth. The ends of the extension extend in opposite directions, while brackets at each end engage with the disc’s splines and teeth. This stabilizing element is positioned axially over the disc’s width.
Helical splined disc brake mounting interfaces are popular in bicycles and road bicycles. They’re a reliable, durable way to mount your brakes. Splines are widely used in aerospace, and have a higher fatigue life and reliability. The interfaces between the splined disc brake and BB spindle are made from aluminum and acetate.
As the splined hub mounts the disc in a helical fashion, the spring wire and disc 2 will be positioned in close contact. As the spring wire contacts the disc, it creates friction forces that are evenly distributed throughout the disc. This allows for a wide range of axial motion. Disc brake mounting interfaces that are helical splined have higher strength and stiffness than their counterparts.
Disc brake mounting interfaces that are helically splined can have a wide range of splined surfaces. The splined surfaces are the most common type of disc brake mounting interfaces. They are typically made of stainless steel or aluminum and can be used for a variety of applications. However, a splined disc mount will not support a disc with an oversized brake caliper.

China high quality Wheel Hub Bearing for 513084 for Chrysler, Jeep     with high qualityChina high quality Wheel Hub Bearing for 513084 for Chrysler, Jeep     with high quality

China Custom Wheel Hub Bearing Kit Vkba3643 for Audi, Seat, Skoda, VW with high quality

Product Description

1.;Reference OEM NO.;:;VKBA3643,;1T0498621,;3C0498621,;8J571625

2.;Product Specification:;
Front Axle,;Rear Axle
Flange Diameter:; 5.;4 In.;
Bolt Circle Diameter:; 4.;4 In.;
Wheel Pilot Diameter:; 2.;2 In.;
Brake Pilot Diameter:; 2.;6 In.;
Flange Offset:; 1.;5 In.;
Hub Pilot Diameter:; 3.;3 In.;
Hub Bolt Circle Diameter:; 4.;2 In.;
Bolt Quantity:; 5
Bolt Hole qty:; 4
ABS Sensor:; Yes
Number of Splines:; 36

3.;About us :;
We are specialize in manufacturing wide range of automotive wheel bearing,; wheel hub bearing,; wheel bearing kits for European and American,; Japanese,; Korean automobiles:;
1.; The DAC Series wheel bearing;
2.; The Second generation wheel Hub Units;
3.; The Third generation wheel Hub bearing;
 
We have passed the evaluation of ISO9001:;2000 ,; TS16949 Quality management system certification and we believe that quality and service is key to success .;our company will always offer high quality products and satisfying after-sale service to all our customers .;

The main wheel bearing kits,;Wheel Hub Bearing kits we produce as following:;

VKBA1998 VKBA1466 VKBA3430 VKBA3581 VKBA506 VKBA6636 VKBA944 VKBA3689 VKBA530 VKBA7405
VKBA7472 VKBA1470 VKBA3434 VKBA3583 VKBA513 VKBA6647 VKBA949 VKBA3577 VKBA539 VKBA7414
VKBA7474 VKBA1480 VKBA3435 VKBA3585 VKBA517 VKBA6649 VKBA959 VKBA3690 VKBA540 VKBA7457
VKBA1955 VKBA1481 VKBA3444 VKBA3589 VKBA523 VKBA6666 VKBA961 VKBA3638 VKBA562 VKBA3452
 VKBA7478 VKBA1487 VKBA3445 VKBA3594 VKBA526 VKBA6667 VKBA962 VKBA3464 VKBA576 VKBA3283
VKBA3901   VKBA1491 VKBA3449 VKBA3596 VKBA528 VKBA6683 VKBA966 VKBA3648 VKBA583 VKBA6916
 VKBA1419  VKBA1498 VKBA3450 VKBA3598 VKBA529 VKBA6688 VKBA968 VKBA3618 VKBA592 VKBA3962
VKBA1422 VKBA1643 VKBA3454 VKBA3599 VKBA532 VKBA674 VKBA969 VKBA3546 VKBA614 VKBA3572
VKBA663 VKBA1906 VKBA3455 VKBA3600 VKBA534 VKBA675 VKBA975 VKBA3592 VKBA673 VKBA3593
VKBA1366  VKBA1910 VKBA3456 VKBA3602 VKBA542 VKBA678 VKBA976 VKBA3562 VKBA728 VKBA3588
VKBA1992 VKBA1911 VKBA3457 VKBA3603 VKBA559 VKBA6800 VKBA977 VKBA3659 VKBA732 VKBA3656
VKBA6751  VKBA1915 VKBA3458 VKBA3604 VKBA571 VKBA6801 VKBA6931 VKBA6565 VKBA733 VKBA3584
VKBA1301 VKBA1928 VKBA3461 VKBA3606 VKBA575 VKBA6805 VKBA6871 VKBA1340 VKBA739 VKBA3660
VKBA1306 VKBA1929 VKBA3466 VKBA3608 VKBA577 VKBA6808 VKBA940 VKBA3946 VKBA826 VKBA3575
VKBA1307 VKBA1930 VKBA3469 VKBA3613 VKBA593 VKBA6809 VKBA3528 VKBA3930 VKBA828 VKBA3556
VKBA1310 VKBA1931 VKBA3473 VKBA3614 VKBA596 VKBA6812 VKBA3647 VKBA6828 VKBA829 VKBA3661
VKBA1317 VKBA1948 VKBA3477 VKBA3620 VKBA612 VKBA6818 VKBA3441 VKBA1304 VKBA899 VKBA3674
VKBA1318 VKBA1949 VKBA3478 VKBA3624 VKBA613 VKBA6827 VKBA3657 VKBA6905 VKBA918 VKBA6999
VKBA1319 VKBA1950 VKBA3482 VKBA3631 VKBA625 VKBA6844 VKBA3520 VKBA6868 VKBA947 VKBA6924
VKBA1320 VKBA1962 VKBA3486 VKBA3637 VKBA636 VKBA685 VKBA1484 VKBA6834 VKBA948 VKBA6575
VKBA1324 VKBA1965 VKBA3489 VKBA3639 VKBA629 VKBA6856 VKBA3538 VKBA6802 VKBA957 VKBA6803
VKBA1326 VKBA1970 VKBA3491 VKBA3640 VKBA6500 VKBA686 VKBA3931 VKBA3481 VKBA958 VKBA3792
VKBA1327 VKBA1971 VKBA3492 VKBA3641 VKBA6501 VKBA6870 VKBA3428 VKBA3526 VKBA1314 VKBA7570
VKBA1328 VKBA1972 VKBA3495 VKBA3642 VKBA6506 VKBA6874 VKBA3442 VKBA1308 VKBA1321 VKBA7526
VKBA1331 VKBA1973 VKBA3496 VKBA3643 VKBA6507 VKBA6875 VKBA3587 VKBA6831 VKBA1322 VKBA7576
VKBA1333 VKBA1978 VKBA3497 VKBA3644 VKBA6509 VKBA6877 VKBA1482 VKBA7446 VKBA1346 VKBA6639
VKBA1336 VKBA1985 VKBA3500 VKBA3645 VKBA6510 VKBA6878 VKBA3981 VKBA5314 VKBA1353 VKBA6966
VKBA1338 VKBA1999 VKBA3501 VKBA3646 VKBA6515 VKBA687 VKBA3521 VKBA3270 VKBA1359 VKBA7462
VKBA1341 VKBA310 VKBA3502 VKBA3650 VKBA6519 VKBA6889 VKBA3902 VKBA1315 VKBA1361 VKBA3704
VKBA1342 VKBA3201 VKBA3503 VKBA3651 VKBA652 VKBA6898 VKBA6944 VKBA3627 VKBA1369 VKBA7591
VKBA1344 VKBA3206 VKBA3504 VKBA3652 VKBA6521 VKBA6900 VKBA3443 VKBA6923 VKBA1371 VKBA7581
VKBA1345 VKBA3215 VKBA3506 FCKIT5713 VKBA6522 VKBA6926 VKBA3300 VKBA3615 VKBA1374 VKBA7565
VKBA1347 VKBA3219 VKBA3510 VKBA3653 VKBA6524 VKBA6927 VKBA941 VKBA3309 VKBA1377 VKBA1927
VKBA1348 VKBA3220 VKBA3511 VKBA3658 VKBA6525 VKBA6928 VKBA3590 VKBA3400 VKBA1385 VKBA3975
VKBA1349 VKBA3223 VKBA3512 VKBA3667 VKBA6526 VKBA6943 VKBA919 VKBA3407 VKBA1386 VKBA6913
VKBA1351 VKBA3225 VKBA3513 VKBA3670 VKBA6527 VKBA6972 VKBA6820 VKBA3412 VKBA1393 VKBA3991
VKBA1355 VKBA3234 VKBA3514 VKBA3673 VKBA6528 VKBA6975 VKBA3951 VKBA3420 VKBA1402 VKBA6851
VKBA1356 VKBA3240 VKBA3517 VKBA3676 VKBA6530 VKBA6978 VKBA3729 VKBA3485 VKBA1403 VKBA3601
VKBA1358 VKBA3245 VKBA3519 VKBA3677 VKBA6532 VKBA6990 VKBA3625 VKBA3494 VKBA1429 VKBA898
VKBA1362 VKBA3246 VKBA3523 VKBA3678 VKBA6533 VKBA6996 VKBA3266 VKBA3508 VKBA1433 VKBA904
VKBA1364 VKBA3250 VKBA3525 VKBA3680 VKBA6539 VKBA6997 VKBA836 VKBA3522 VKBA1447 VKBA906
VKBA1366 VKBA3255 VKBA3527 VKBA3681 VKBA6540 VKBA6998 VKBA3446 VKBA3535 VKBA1462 VKBA909
VKBA1375 VKBA3256 VKBA3530 VKBA3683 VKBA6541 VKBA713 VKBA1467 VKBA3565 VKBA1463 VKBA910
VKBA1379 VKBA3257 VKBA3531 VKBA3684 VKBA6543 VKBA714 VKBA6582 VKBA3617 VKBA1488 VKBA911
VKBA1401 VKBA3272 VKBA3532 VKBA3685 VKBA6544 VKBA718 VKBA3431 VKBA3633 VKBA1495 VKBA912
VKBA1406 VKBA3281 VKBA3534 VKBA3687 VKBA6546 VKBA730 VKBA3427 VKBA3664 VKBA1499 VKBA915
VKBA1410 VKBA3293 VKBA3536 VKBA3691 VKBA6547 VKBA736 VKBA3475 VKBA3666 VKBA3205 VKBA925
VKBA1412 VKBA3298 VKBA3539 VKBA3693 VKBA6549 VKBA740 VKBA3440 VKBA3668 VKBA3217 VKBA926
VKBA1413 VKBA3305 VKBA3540 VKBA3698 VKBA6550 VKBA7403 VKBA3490 VKBA3679 VKBA3235 VKBA3715
VKBA1417 VKBA3306 VKBA3541 VKBA3703 VKBA6551 VKBA7408 VKBA6825 VKBA3682 VKBA3236 VKBA3218
VKBA1418 VKBA3307 VKBA3542 VKBA3717 VKBA6552 VKBA741 VKBA3628 VKBA3692 VKBA3237 VKBA1337
VKBA1420 VKBA3308 VKBA3543 VKBA3730 VKBA6553 VKBA7419 VKBA3550 VKBA3714 VKBA3284 VKBA6645
VKBA1430 VKBA3317 VKBA3548 VKBA3778 VKBA6556 VKBA3938 VKBA1414 VKBA3718 VKBA734 VKBA6537
VKBA1431 VKBA3332 VKBA3549 VKBA3785 VKBA6558 VKBA743 VKBA3432 VKBA3780 VKBA1443 VKBA916
VKBA1432 VKBA3349 VKBA3551 VKBA3786 VKBA6561 VKBA7437 VKBA3697 VKBA3906 VKBA3251 VKBA917
VKBA1436 VKBA3401 VKBA3552 VKBA3794 VKBA6566 VKBA7439 VKBA3595 VKBA3909 VKBA3268 VKBA6520
VKBA1438 VKBA3403 VKBA3554 VKBA3796 VKBA6570 VKBA751 VKBA6584 VKBA3922 VKBA3271 VKBA3675
VKBA1439 VKBA3404 VKBA3555 VKBA3798 VKBA6571 VKBA752 VKBA6580 VKBA3936 VKBA3459 VKBA3671
VKBA1440 VKBA3406 VKBA3560 VKBA3901 VKBA6579 VKBA754 VKBA890 VKBA3940 VKBA3545 VKBA6819
VKBA1441 VKBA3408 VKBA3561 VKBA3907 VKBA6586 VKBA756 VKBA3574 VKBA3945 VKBA3616 VKBA6830
VKBA1444 VKBA3409 VKBA3564 VKBA3929 VKBA6602 VKBA757 VKBA3553 VKBA3959 VKBA3626 VKBA6849
VKBA1445 VKBA3410 VKBA3566 VKBA3932 VKBA6616 VKBA802 VKBA3229 VKBA3965 VKBA3665 VKBA6882
VKBA1446 VKBA3413 VKBA3567 VKBA3934 VKBA6618 VKBA827 VKBA3605 VKBA3966 VKBA3908 VKBA6891
VKBA1452 VKBA3414 VKBA3568 VKBA3935 VKBA6624 VKBA840 VKBA3451 VKBA6502 VKBA6516 VKBA6938
VKBA1455 VKBA3415 VKBA3569 VKBA3937 VKBA6625 VKBA844 VKBA3439 VKBA6578 VKBA6634 VKBA7573
VKBA1458 VKBA3416 VKBA3570 VKBA3952 VKBA6627 VKBA845 VKBA3781 VKBA6640 VKBA6885 VKBA502
VKBA1459 VKBA3422 VKBA3571 VKBA3979 VKBA6629 VKBA846 VKBA3204 VKBA6642 VKBA6906 VKBA515
VKBA1460 VKBA3423 VKBA3576 VKBA3997 VKBA6632 VKBA869 VKBA3426 VKBA6643 VKBA6917 VKBA516
VKBA1465 VKBA3424 VKBA3578 VKBA504 VKBA6633 VKBA882 VKBA3202 VKBA6658 VKBA6948 VKBA3429
VKBA3580 VKBA505 VKBA6635 VKBA897 VKBA3222 VKBA6702 VKBA6950      

Applications of Spline Couplings

A spline coupling is a highly effective means of connecting 2 or more components. These types of couplings are very efficient, as they combine linear motion with rotation, and their efficiency makes them a desirable choice in numerous applications. Read on to learn more about the main characteristics and applications of spline couplings. You will also be able to determine the predicted operation and wear. You can easily design your own couplings by following the steps outlined below.
splineshaft

Optimal design

The spline coupling plays an important role in transmitting torque. It consists of a hub and a shaft with splines that are in surface contact without relative motion. Because they are connected, their angular velocity is the same. The splines can be designed with any profile that minimizes friction. Because they are in contact with each other, the load is not evenly distributed, concentrating on a small area, which can deform the hub surface.
Optimal spline coupling design takes into account several factors, including weight, material characteristics, and performance requirements. In the aeronautics industry, weight is an important design factor. S.A.E. and ANSI tables do not account for weight when calculating the performance requirements of spline couplings. Another critical factor is space. Spline couplings may need to fit in tight spaces, or they may be subject to other configuration constraints.
Optimal design of spline couplers may be characterized by an odd number of teeth. However, this is not always the case. If the external spline’s outer diameter exceeds a certain threshold, the optimal spline coupling model may not be an optimal choice for this application. To optimize a spline coupling for a specific application, the user may need to consider the sizing method that is most appropriate for their application.
Once a design is generated, the next step is to test the resulting spline coupling. The system must check for any design constraints and validate that it can be produced using modern manufacturing techniques. The resulting spline coupling model is then exported to an optimisation tool for further analysis. The method enables a designer to easily manipulate the design of a spline coupling and reduce its weight.
The spline coupling model 20 includes the major structural features of a spline coupling. A product model software program 10 stores default values for each of the spline coupling’s specifications. The resulting spline model is then calculated in accordance with the algorithm used in the present invention. The software allows the designer to enter the spline coupling’s radii, thickness, and orientation.
splineshaft

Characteristics

An important aspect of aero-engine splines is the load distribution among the teeth. The researchers have performed experimental tests and have analyzed the effect of lubrication conditions on the coupling behavior. Then, they devised a theoretical model using a Ruiz parameter to simulate the actual working conditions of spline couplings. This model explains the wear damage caused by the spline couplings by considering the influence of friction, misalignment, and other conditions that are relevant to the splines’ performance.
In order to design a spline coupling, the user first inputs the design criteria for sizing load carrying sections, including the external spline 40 of the spline coupling model 30. Then, the user specifies torque margin performance requirement specifications, such as the yield limit, plastic buckling, and creep buckling. The software program then automatically calculates the size and configuration of the load carrying sections and the shaft. These specifications are then entered into the model software program 10 as specification values.
Various spline coupling configuration specifications are input on the GUI screen 80. The software program 10 then generates a spline coupling model by storing default values for the various specifications. The user then can manipulate the spline coupling model by modifying its various specifications. The final result will be a computer-aided design that enables designers to optimize spline couplings based on their performance and design specifications.
The spline coupling model software program continually evaluates the validity of spline coupling models for a particular application. For example, if a user enters a data value signal corresponding to a parameter signal, the software compares the value of the signal entered to the corresponding value in the knowledge base. If the values are outside the specifications, a warning message is displayed. Once this comparison is completed, the spline coupling model software program outputs a report with the results.
Various spline coupling design factors include weight, material properties, and performance requirements. Weight is 1 of the most important design factors, particularly in the aeronautics field. ANSI and S.A.E. tables do not consider these factors when calculating the load characteristics of spline couplings. Other design requirements may also restrict the configuration of a spline coupling.

Applications

Spline couplings are a type of mechanical joint that connects 2 rotating shafts. Its 2 parts engage teeth that transfer load. Although splines are commonly over-dimensioned, they are still prone to fatigue and static behavior. These properties also make them prone to wear and tear. Therefore, proper design and selection are vital to minimize wear and tear on splines. There are many applications of spline couplings.
A key design is based on the size of the shaft being joined. This allows for the proper spacing of the keys. A novel method of hobbing allows for the formation of tapered bases without interference, and the root of the keys is concentric with the axis. These features enable for high production rates. Various applications of spline couplings can be found in various industries. To learn more, read on.
FE based methodology can predict the wear rate of spline couplings by including the evolution of the coefficient of friction. This method can predict fretting wear from simple round-on-flat geometry, and has been calibrated with experimental data. The predicted wear rate is reasonable compared to the experimental data. Friction evolution in spline couplings depends on the spline geometry. It is also crucial to consider the lubrication condition of the splines.
Using a spline coupling reduces backlash and ensures proper alignment of mated components. The shaft’s splined tooth form transfers rotation from the splined shaft to the internal splined member, which may be a gear or other rotary device. A spline coupling’s root strength and torque requirements determine the type of spline coupling that should be used.
The spline root is usually flat and has a crown on 1 side. The crowned spline has a symmetrical crown at the centerline of the face-width of the spline. As the spline length decreases toward the ends, the teeth are becoming thinner. The tooth diameter is measured in pitch. This means that the male spline has a flat root and a crowned spline.
splineshaft

Predictability

Spindle couplings are used in rotating machinery to connect 2 shafts. They are composed of 2 parts with teeth that engage each other and transfer load. Spline couplings are commonly over-dimensioned and are prone to static and fatigue behavior. Wear phenomena are also a common problem with splines. To address these issues, it is essential to understand the behavior and predictability of these couplings.
Dynamic behavior of spline-rotor couplings is often unclear, particularly if the system is not integrated with the rotor. For example, when a misalignment is not present, the main response frequency is 1 X-rotating speed. As the misalignment increases, the system starts to vibrate in complex ways. Furthermore, as the shaft orbits depart from the origin, the magnitudes of all the frequencies increase. Thus, research results are useful in determining proper design and troubleshooting of rotor systems.
The model of misaligned spline couplings can be obtained by analyzing the stress-compression relationships between 2 spline pairs. The meshing force model of splines is a function of the system mass, transmitting torque, and dynamic vibration displacement. This model holds when the dynamic vibration displacement is small. Besides, the CZPT stepping integration method is stable and has high efficiency.
The slip distributions are a function of the state of lubrication, coefficient of friction, and loading cycles. The predicted wear depths are well within the range of measured values. These predictions are based on the slip distributions. The methodology predicts increased wear under lightly lubricated conditions, but not under added lubrication. The lubrication condition and coefficient of friction are the key factors determining the wear behavior of splines.

China Custom Wheel Hub Bearing Kit Vkba3643 for Audi, Seat, Skoda, VW     with high qualityChina Custom Wheel Hub Bearing Kit Vkba3643 for Audi, Seat, Skoda, VW     with high quality

China OEM Wheel Hub Bearing & Assembly for Hyundai Santa Fe 51750-3J000, 513266 with high quality

Product Description

Contact:; Joanna Xuan  
 
Mob:; +86~8 13858117  
 

Wheel hub bearing for Hyundai Santa Fe 51750-3J IJ-113044 FR931598 GS1D2615X N4713037 QH576 R168.;24 R168.;29 R168.;34 R168.;38 R168.;64 R168.;69 43202-6J000 43200-BM400 RAH2171  RAH3199 RW8201 SNR.;TGB12095S43 9329001 TGB 12894 TGB12095 S43 TGB12095S43 DACF1571 TGB12095S49 7700829031 TGB12095S50 R155.;82 713630980 TGB12894 TGB12933S03  TGB35168 TGB40175 S05 TGB40189S05 TR285216     VKBA 3569 803640C VKBA 6522  1469189 VKBA1441 VKBA3252 VKBA3454 VKBA3489 VKBA3491 VKBA3501 9117620 VKBA3513 VKBA3513  BAR0050  9117622 VKBA3555 VKBA3560 VKBA3564 VKBA3570 VKBA3585 VKBA3592 VKBA3646 7H0401611E 7H0401611D  VKBA3652 VKBA3661 7M51-2C299AC VKBA3677 VKBA3697 VKBA3975 42450-12070 VKBA6571 VKBA6619 VKBA6801 VKBA7449 VKBA6875 VKBA6877 89544-52041 89544-52040 VKBA7012 VKBA7412 VKBA7413 VKBA7631 52745-4D000 VKBA7692 YC152B663AF HUB184  1T0 498 621 45712-CG112 45712-3LH0A 42410-57140 43200-50Y02 43202-EL000 43550-0D090 43550-0D070 43570-6571 52730-38103  6Q0 407 621AF 6Q0 407 621 AL 6Q0 407 621 AD 6X0 598 477 F1CZ-1104A D651-26-15XE MB864968 89543-0D070 89543-0D080  1603210            

Stiffness and Torsional Vibration of Spline-Couplings

In this paper, we describe some basic characteristics of spline-coupling and examine its torsional vibration behavior. We also explore the effect of spline misalignment on rotor-spline coupling. These results will assist in the design of improved spline-coupling systems for various applications. The results are presented in Table 1.
splineshaft

Stiffness of spline-coupling

The stiffness of a spline-coupling is a function of the meshing force between the splines in a rotor-spline coupling system and the static vibration displacement. The meshing force depends on the coupling parameters such as the transmitting torque and the spline thickness. It increases nonlinearly with the spline thickness.
A simplified spline-coupling model can be used to evaluate the load distribution of splines under vibration and transient loads. The axle spline sleeve is displaced a z-direction and a resistance moment T is applied to the outer face of the sleeve. This simple model can satisfy a wide range of engineering requirements but may suffer from complex loading conditions. Its asymmetric clearance may affect its engagement behavior and stress distribution patterns.
The results of the simulations show that the maximum vibration acceleration in both Figures 10 and 22 was 3.03 g/s. This results indicate that a misalignment in the circumferential direction increases the instantaneous impact. Asymmetry in the coupling geometry is also found in the meshing. The right-side spline’s teeth mesh tightly while those on the left side are misaligned.
Considering the spline-coupling geometry, a semi-analytical model is used to compute stiffness. This model is a simplified form of a classical spline-coupling model, with submatrices defining the shape and stiffness of the joint. As the design clearance is a known value, the stiffness of a spline-coupling system can be analyzed using the same formula.
The results of the simulations also show that the spline-coupling system can be modeled using MASTA, a high-level commercial CAE tool for transmission analysis. In this case, the spline segments were modeled as a series of spline segments with variable stiffness, which was calculated based on the initial gap between spline teeth. Then, the spline segments were modelled as a series of splines of increasing stiffness, accounting for different manufacturing variations. The resulting analysis of the spline-coupling geometry is compared to those of the finite-element approach.
Despite the high stiffness of a spline-coupling system, the contact status of the contact surfaces often changes. In addition, spline coupling affects the lateral vibration and deformation of the rotor. However, stiffness nonlinearity is not well studied in splined rotors because of the lack of a fully analytical model.
splineshaft

Characteristics of spline-coupling

The study of spline-coupling involves a number of design factors. These include weight, materials, and performance requirements. Weight is particularly important in the aeronautics field. Weight is often an issue for design engineers because materials have varying dimensional stability, weight, and durability. Additionally, space constraints and other configuration restrictions may require the use of spline-couplings in certain applications.
The main parameters to consider for any spline-coupling design are the maximum principal stress, the maldistribution factor, and the maximum tooth-bearing stress. The magnitude of each of these parameters must be smaller than or equal to the external spline diameter, in order to provide stability. The outer diameter of the spline must be at least 4 inches larger than the inner diameter of the spline.
Once the physical design is validated, the spline coupling knowledge base is created. This model is pre-programmed and stores the design parameter signals, including performance and manufacturing constraints. It then compares the parameter values to the design rule signals, and constructs a geometric representation of the spline coupling. A visual model is created from the input signals, and can be manipulated by changing different parameters and specifications.
The stiffness of a spline joint is another important parameter for determining the spline-coupling stiffness. The stiffness distribution of the spline joint affects the rotor’s lateral vibration and deformation. A finite element method is a useful technique for obtaining lateral stiffness of spline joints. This method involves many mesh refinements and requires a high computational cost.
The diameter of the spline-coupling must be large enough to transmit the torque. A spline with a larger diameter may have greater torque-transmitting capacity because it has a smaller circumference. However, the larger diameter of a spline is thinner than the shaft, and the latter may be more suitable if the torque is spread over a greater number of teeth.
Spline-couplings are classified according to their tooth profile along the axial and radial directions. The radial and axial tooth profiles affect the component’s behavior and wear damage. Splines with a crowned tooth profile are prone to angular misalignment. Typically, these spline-couplings are oversized to ensure durability and safety.

Stiffness of spline-coupling in torsional vibration analysis

This article presents a general framework for the study of torsional vibration caused by the stiffness of spline-couplings in aero-engines. It is based on a previous study on spline-couplings. It is characterized by the following 3 factors: bending stiffness, total flexibility, and tangential stiffness. The first criterion is the equivalent diameter of external and internal splines. Both the spline-coupling stiffness and the displacement of splines are evaluated by using the derivative of the total flexibility.
The stiffness of a spline joint can vary based on the distribution of load along the spline. Variables affecting the stiffness of spline joints include the torque level, tooth indexing errors, and misalignment. To explore the effects of these variables, an analytical formula is developed. The method is applicable for various kinds of spline joints, such as splines with multiple components.
Despite the difficulty of calculating spline-coupling stiffness, it is possible to model the contact between the teeth of the shaft and the hub using an analytical approach. This approach helps in determining key magnitudes of coupling operation such as contact peak pressures, reaction moments, and angular momentum. This approach allows for accurate results for spline-couplings and is suitable for both torsional vibration and structural vibration analysis.
The stiffness of spline-coupling is commonly assumed to be rigid in dynamic models. However, various dynamic phenomena associated with spline joints must be captured in high-fidelity drivetrain models. To accomplish this, a general analytical stiffness formulation is proposed based on a semi-analytical spline load distribution model. The resulting stiffness matrix contains radial and tilting stiffness values as well as torsional stiffness. The analysis is further simplified with the blockwise inversion method.
It is essential to consider the torsional vibration of a power transmission system before selecting the coupling. An accurate analysis of torsional vibration is crucial for coupling safety. This article also discusses case studies of spline shaft wear and torsionally-induced failures. The discussion will conclude with the development of a robust and efficient method to simulate these problems in real-life scenarios.
splineshaft

Effect of spline misalignment on rotor-spline coupling

In this study, the effect of spline misalignment in rotor-spline coupling is investigated. The stability boundary and mechanism of rotor instability are analyzed. We find that the meshing force of a misaligned spline coupling increases nonlinearly with spline thickness. The results demonstrate that the misalignment is responsible for the instability of the rotor-spline coupling system.
An intentional spline misalignment is introduced to achieve an interference fit and zero backlash condition. This leads to uneven load distribution among the spline teeth. A further spline misalignment of 50um can result in rotor-spline coupling failure. The maximum tensile root stress shifted to the left under this condition.
Positive spline misalignment increases the gear mesh misalignment. Conversely, negative spline misalignment has no effect. The right-handed spline misalignment is opposite to the helix hand. The high contact area is moved from the center to the left side. In both cases, gear mesh is misaligned due to deflection and tilting of the gear under load.
This variation of the tooth surface is measured as the change in clearance in the transverse plain. The radial and axial clearance values are the same, while the difference between the 2 is less. In addition to the frictional force, the axial clearance of the splines is the same, which increases the gear mesh misalignment. Hence, the same procedure can be used to determine the frictional force of a rotor-spline coupling.
Gear mesh misalignment influences spline-rotor coupling performance. This misalignment changes the distribution of the gear mesh and alters contact and bending stresses. Therefore, it is essential to understand the effects of misalignment in spline couplings. Using a simplified system of helical gear pair, Hong et al. examined the load distribution along the tooth interface of the spline. This misalignment caused the flank contact pattern to change. The misaligned teeth exhibited deflection under load and developed a tilting moment on the gear.
The effect of spline misalignment in rotor-spline couplings is minimized by using a mechanism that reduces backlash. The mechanism comprises cooperably splined male and female members. One member is formed by 2 coaxially aligned splined segments with end surfaces shaped to engage in sliding relationship. The connecting device applies axial loads to these segments, causing them to rotate relative to 1 another.

China OEM Wheel Hub Bearing & Assembly for Hyundai Santa Fe 51750-3J000, 513266     with high qualityChina OEM Wheel Hub Bearing & Assembly for Hyundai Santa Fe 51750-3J000, 513266     with high quality

China Good quality 1j0501611A Rear Wheel Hub Unit Bearing for Audi Seat VW with high quality

Product Description

Products Description
Car fitment:

  • AUDI
    • A3 (8L1)  [1996-2006]
    • TT (8N3)  [1998-2006]
    • TT Roadster (8N9)  [1999-2006]
    • TT 2000-2006 FWD
  • SEAT
  • VOLKSWAGEN
    • BORA (1J2)  [1998-2005]
    • BORA Variant (1J6)  [1999-2005]
    • GOLF IV (1J1)  [1997-2007]
    • GOLF IV Variant (1J5)  [1999-2006]
    • NEW BEETLE (9C1, 1C1)  [1998-2571]
    • Beetle 1998-2008
    • Golf 1999-2004
    • Golf 2005 FWD
    • Jetta 1999-2005
  • VW (FAW)
    • BORA (1J2)  [2001-2006]
    • GOLF IV (1J1)  [2001-2009]

Specification:
Rear Axle
Flange Diameter: 4.72 In.
Bolt Circle Diameter: 3.94 In.
Wheel Pilot Diameter: 2.02 In.
Brake Pilot Diameter: 2.04 In.
Flange Offset: 1.67 In.
Hub Pilot Diameter: 2.74 In.
Bolt Size: M14X1.5
Bolt Quantity: 5
Bolt Hole qty: N/A
ABS Sensor: Has ABS with Tone Ring Sensor
Number of Splines: N/A 
 

Wheel Hub Bearing

A hub bearing, also known as a wheel hub bearing, enables the wheels and attached components to rotate smoothlyand keeps the wheel attached to the car. The bearings are mounted on a wheel hub, which is located between the brake drums and the axle. 
Wheel bearings wear out over time due to age and contamination. As they wear out, excess play also develops in the bearing. The main signs of a damaged wheel hub bearing are abnormal noises and loose steering.
Our hub bearing assemblies are made from high quality materials for durability, reliability, and high performance. 
high quality seal design offers premium protection from contamination and ensures a clean, long lasting hub bearing.
Our hub bearings are precision-machined and pre-coated with an anti-corrosion lubricant for enhanced protection and performance. They are manufactured to meet or exceed expectations for performance and fit.
In addition, they are designed for quick and easy installation. Please note: Hub Bearings should always be replaced in pairs (front or rear). 
In addition, hub bearings must be torqued to vehicle specifications to prevent failure.

Solver problem:

  • Frequently unberable
  • Car Jitter
  • Power reduction
  • Car noise

Features:

  • Good Ball: Precision and dimensions are more stable.
  • Good grease: allow the bearing to roll smoother.

  • Durable quality: excellent metal material, wear-resistant and durable.

    All products are all factory full inspection , like ABS detection,noise detection, cleareance detection for completed product, vibration detection, Angular clearance detection, Waterproof and dustproof detection and so on, making products more durable,more safe and life longer.

  • Reduce abnormal noise,Stable driving
  • High security
  • Longer service life and lower maintenance cost.
  • In-situ installation: Original specification,installation in 1 step. With accurately locate mounting holes.

 

 

Why choose us to be your cooperated supplier from China?
1. A wide range of Wheel Hub Bearingfor options.
2. Quality assurance: Advanced equipment, 100% finished product check, all of the products are inpsected carefully by QC before delivery. Product is Safe, Fixed,Stable,Durable.
3. Fast delivery, Prompt response,Professional staffs.
4. The customized components also can be manufactured
5. Neutral packing, export standard carton, or as your requirement.
6. Competive price: Order a HQ container, price will be more favorable.

Related Products
1. A wide range of Radiator Cooling Fan and other parts for options.
2. Quality assurance: Advanced equipment, 100% finished product check, all of the products are inpsected carefully by QC before delivery. Product is Safe, Fixed,Stable,Durable.
3. Fast delivery, Prompt response,Professional staffs.
4. The customized components also can be manufactured
5. Neutral packing, export standard carton, or as your requirement.
6. Competive price: Order a HQ container, price will be more favorable.

VW, AUDI, BENZ, BMW, PORSHCHE, LAND ROVER,Toyota, Nissan, Mitsubishi, Honda, Mazda , Hyundai Fordetc.
1. Clutch system
2. Cooling system
3. Electrical system
4. Transmission system
5. Steering system
6. Drive system
7. Suspension system
8.Braking syste

Company Introduction

FAQ
1. Is the product fit to your car model?
Please check if the parts are suitable for your model before purchase.
Or please tell us your Car Model and OE Number, and tell us the product name.

2. What you can supply to me?
We could supply all kinds of auto spare parts and accessories. Besides ,we provide OEM service, shipping service and QC service as well to make sure you get ONE-STOP purchase process from us.

3. Can you customize the products as per our request?
Yes, we do OEM and ODM. We could make the product suggestion based on your idea and budget.

4. How to get a sample from you?
All samples will be free if unit cost under 20USD,but the freight should be on your side. If you have express account like DHL,UPS etc we will send you directly, if you don’t have you can send express cost to our paypal account, any sample cost could be returned when you make order.

5. What’s your payment term?
We usually doing 30% deposit and 70% balance against copy of B/L by T/T, We also accept L/C ,D/P if total amount over $30000.

Welcome to your inqury now and built a long cooperatitive relationship with our professional service.

Windy Zhang

The Functions of Splined Shaft Bearings

Splined shafts are the most common types of bearings for machine tools. They are made of a wide variety of materials, including metals and non-metals such as Delrin and nylon. They are often fabricated to reduce deflection. The tooth profile will become deformed with time, as the shaft is used over a long period of time. Splined shafts are available in a huge range of materials and lengths.

Functions

Splined shafts are used in a variety of applications and industries. They are an effective anti-rotational device, as well as a reliable means of transmitting torque. Other types of shafts are available, including key shafts, but splines are the most convenient for transmitting torque. The following article discusses the functions of splines and why they are a superior choice. Listed below are a few examples of applications and industries in which splines are used.
Splined shafts can be of several styles, depending on the application and mechanical system in question. The differences between splined shaft styles include the design of teeth, overall strength, transfer of rotational concentricity, sliding ability, and misalignment tolerance. Listed below are a few examples of splines, as well as some of their benefits. The difference between these styles is not mutually exclusive; instead, each style has a distinct set of pros and cons.
A splined shaft is a cylindrical shaft with teeth or ridges that correspond to a specific angular position. This allows a shaft to transfer torque while maintaining angular correspondence between tracks. A splined shaft is defined as a cylindrical member with several grooves cut into its circumference. These grooves are equally spaced around the shaft and form a series of projecting keys. These features give the shaft a rounded appearance and allow it to fit perfectly into a grooved cylindrical member.
While the most common applications of splines are for shortening or extending shafts, they can also be used to secure mechanical assemblies. An “involute spline” spline has a groove that is wider than its counterparts. The result is that a splined shaft will resist separation during operation. They are an ideal choice for applications where deflection is an issue.
A spline shaft’s radial torsion load distribution is equally distributed, unless a bevel gear is used. The radial torsion load is evenly distributed and will not exert significant load concentration. If the spline couplings are not aligned correctly, the spline connection can fail quickly, causing significant fretting fatigue and wear. A couple of papers discuss this issue in more detail.
splineshaft

Types

There are many different types of splined shafts. Each type features an evenly spaced helix of grooves on its outer surface. These grooves are either parallel or involute. Their shape allows them to be paired with gears and interchange rotary and linear motion. Splines are often cold-rolled or cut. The latter has increased strength compared to cut spines. These types of shafts are commonly used in applications requiring high strength, accuracy, and smoothness.
Another difference between internal and external splined shafts lies in the manufacturing process. The former is made of wood, while the latter is made of steel or a metal alloy. The process of manufacturing splined shafts involves cutting furrows into the surface of the material. Both processes are expensive and require expert skill. The main advantage of splined shafts is their adaptability to a wide range of applications.
In general, splined shafts are used in machinery where the rotation is transferred to an internal splined member. This member can be a gear or some other rotary device. These types of shafts are often packaged together as a hub assembly. Cleaning and lubricating are essential to the life of these components. If you’re using them on a daily basis, you’ll want to make sure to regularly inspect them.
Crowned splines are usually involute. The teeth of these splines form a spiral pattern. They are used for smaller diameter shafts because they add strength. Involute splines are also used on instrument drives and valve shafts. Serration standards are found in the SAE. Both kinds of splines can also contain a ball bearing for high torque. The difference between the 2 types of splines is the number of teeth on the shaft.
Internal splines have many advantages over external ones. For example, an internal spline shaft can be made using a grinding wheel instead of a CNC machine. It also uses a more accurate and economical process. Furthermore, it allows for a shorter manufacturing cycle, which is essential when splining high-speed machines. In addition, it stabilizes the relative phase between the spline and thread.
splineshaft

Manufacturing methods

There are several methods used to fabricate a splined shaft. Key and splined shafts are constructed from 2 separate parts that are shaped in a synchronized manner to transfer torque uniformly. Hot rolling is 1 method, while cold rolling utilizes low temperatures to form metal. Both methods enhance mechanical properties, surface finishes, and precision. The advantage of cold rolling is its cost-effectiveness.
Cold forming is 1 method, as well as machining and assembling. Cold forming is a unique process that allows the spline to be shaped to the desired shape. The resulting shape provides maximum contact area and torsional strength. Standard splines are available in standard sizes, but custom lengths can also be ordered. CZPT offers various auxiliary equipment, such as mating sleeves and flanged bushings.
Cold forging is another method. This method produces long splined shafts that are used in automobile propellers. After the spline portion is cut out, it is worked on in a hobbing machine. Work hardening enhances the root strength of the splined portion. It can be used for bearings, gears, and other mechanical components. Listed below are the manufacturing methods for splined shafts.
Parallel splines are the simplest of the splined shaft manufacturing methods. Parallel splines are usually welded to shafts, while involute splines are made of metal or non-metals. Splines are available in a wide variety of lengths and materials. The process is usually accompanied by a process called milling. The workpiece rotates to produce the serrated surface.
Splines are internal or external grooves in a splined shaft. They work in combination with keyways to transfer torque. Male and female splines are used in gears. Female and male splines correspond to 1 another to ensure proper angular correspondence. Involute splines have more surface area and thus are stronger than external splines. Moreover, they help the shaft fit into a grooved cylindrical member without misalignment.
A variety of other methods of manufacturing a splined shaft can be used to produce a splined shaft. Spline shafts can be produced using broaching and shaping, 2 precision machining methods. Broaching uses a metal tool with successively larger teeth to remove metal and create ridges and holes in the surface of a material. However, this process is expensive and requires special expertise.
splineshaft

Applications

The splined shaft is a mechanical component with a helix-like shape formed by the equal spacing of grooves in a circular ring. The splines can either have parallel or involute sides. The splines minimize stress concentration in stationary joints and can be used in both rotary and linear motion. In some cases, splines are rolled rather than cut. The latter is more durable than cut splines and is often used in applications requiring high strength, accuracy, and smooth finish.
Splined shafts are commonly made of carbon steel. This alloy steel has a low carbon content, making it easy to work with. Carbon steel is a great choice for splines because it is malleable. Generally, high-quality carbon steel provides a consistent motion. Steel alloys are also available that contain nickel, chromium, copper, and other metals. If you’re unsure of the right material for your application, you can consult a spline chart.
Splines are a versatile mechanical component. They are easy to cut and fit. Splines can be internal or external, with teeth positioned at equal intervals on both sides of the shaft. This allows the shaft to engage with the hub around the entire circumference of the hub. It also increases load capacity by creating a constant multiple-tooth point of contact with the hub. For this reason, they’re used extensively in rotary and linear motion.
Splined shafts are used in a wide variety of industries. CZPT Inc. offers custom and standard splined shafts for a variety of applications. When choosing a splined shaft for a specific application, consider the surrounding mated components, torque requirements, and size requirements. These 3 factors will make it the ideal choice for your rotary equipment. And you’ll be pleased with the end result!
There are many types of splines and their applications are endless. They transfer torque and angular misalignment between parts, and they also enable the axial rotation of assembled components. Therefore, splines are an essential component of machinery and are used in a wide range of applications. This type of shaft can be found in various types of machines, from household appliances to industrial machinery. So, the next time you’re looking for a splined shaft, make sure you look for a splined one.

China Good quality 1j0501611A Rear Wheel Hub Unit Bearing for Audi Seat VW     with high qualityChina Good quality 1j0501611A Rear Wheel Hub Unit Bearing for Audi Seat VW     with high quality

China high quality Funch Wheel Hub Bearing 512244 for Buick with Free Design Custom

Product Description

Contact Person: Frank
Mobile:

Product Specification:
Rear Axle
Flange Diameter: 5.9 In.
Bolt Circle Diameter: 4.5 In.
Wheel Pilot Diameter: 2.8 In.
Brake Pilot Diameter: 2.8 In.
Flange Offset: 2.6 In.
Hub Pilot Diameter: 2.6 In.
Hub Bolt Circle Diameter: 3.9 In.
Bolt Quantity: 5
Bolt Hole qty: 4
ABS Sensor: Yes
Number of Splines: N/A

 

Remark:
1. Price term: FOB.
2. Delivery date: 45 days after receive the deposit.
3. MOQ: 50 PCS

The Different Types of Splines in a Splined Shaft

A splined shaft is a machine component with internal and external splines. The splines are formed in 4 different ways: Involute, Parallel, Serrated, and Ball. You can learn more about each type of spline in this article. When choosing a splined shaft, be sure to choose the right 1 for your application. Read on to learn about the different types of splines and how they affect the shaft’s performance.
splineshaft

Involute splines

Involute splines in a splined shaft are used to secure and extend mechanical assemblies. They are smooth, inwardly curving grooves that resist separation during operation. A shaft with involute splines is often longer than the shaft itself. This feature allows for more axial movement. This is beneficial for many applications, especially in a gearbox.
The involute spline is a shaped spline, similar to a parallel spline. It is angled and consists of teeth that create a spiral pattern that enables linear and rotatory motion. It is distinguished from other splines by the serrations on its flanks. It also has a flat top. It is a good option for couplers and other applications where angular movement is necessary.
Involute splines are also called involute teeth because of their shape. They are flat on the top and curved on the sides. These teeth can be either internal or external. As a result, involute splines provide greater surface contact, which helps reduce stress and fatigue. Regardless of the shape, involute splines are generally easy to machine and fit.
Involute splines are a type of splines that are used in splined shafts. These splines have different names, depending on their diameters. An example set of designations is for a 32-tooth male spline, a 2,500-tooth module, and a 30 degree pressure angle. An example of a female spline, a fillet root spline, is used to describe the diameter of the splined shaft.
The effective tooth thickness of splines is dependent on the number of keyways and the type of spline. Involute splines in splined shafts should be designed to engage 25 to 50 percent of the spline teeth during the coupling. Involute splines should be able to withstand the load without cracking.

Parallel splines

Parallel splines are formed on a splined shaft by putting 1 or more teeth into another. The male spline is positioned at the center of the female spline. The teeth of the male spline are also parallel to the shaft axis, but a common misalignment causes the splines to roll and tilt. This is common in many industrial applications, and there are a number of ways to improve the performance of splines.
Typically, parallel splines are used to reduce friction in a rotating part. The splines on a splined shaft are narrower on the end face than the interior, which makes them more prone to wear. This type of spline is used in a variety of industries, such as machinery, and it also allows for greater efficiency when transmitting torque.
Involute splines on a splined shaft are the most common. They have equally spaced teeth, and are therefore less likely to crack due to fatigue. They also tend to be easy to cut and fit. However, they are not the best type of spline. It is important to understand the difference between parallel and involute splines before deciding on which spline to use.
The difference between splined and involute splines is the size of the grooves. Involute splines are generally larger than parallel splines. These types of splines provide more torque to the gear teeth and reduce stress during operation. They are also more durable and have a longer life span. And because they are used on farm machinery, they are essential in this type of application.
splineshaft

Serrated splines

A Serrated Splined Shaft has several advantages. This type of shaft is highly adjustable. Its large number of teeth allows large torques, and its shorter tooth width allows for greater adjustment. These features make this type of shaft an ideal choice for applications where accuracy is critical. Listed below are some of the benefits of this type of shaft. These benefits are just a few of the advantages. Learn more about this type of shaft.
The process of hobbing is inexpensive and highly accurate. It is useful for external spline shafts, but is not suitable for internal splines. This type of process forms synchronized shapes on the shaft, reducing the manufacturing cycle and stabilizing the relative phase between spline and thread. It uses a grinding wheel to shape the shaft. CZPT Manufacturing has a large inventory of Serrated Splined Shafts.
The teeth of a Serrated Splined Shaft are designed to engage with the hub over the entire circumference of the shaft. The teeth of the shaft are spaced uniformly around the spline, creating a multiple-tooth point of contact over the entire length of the shaft. The results of these analyses are usually satisfactory. But there are some limitations. To begin with, the splines of the Serrated Splined Shaft should be chosen carefully. If the application requires large-scale analysis, it may be necessary to modify the design.
The splines of the Serrated Splined Shaft are also used for other purposes. They can be used to transmit torque to another device. They also act as an anti-rotational device and function as a linear guide. Both the design and the type of splines determine the function of the Splined Shaft. In the automobile industry, they are used in vehicles, aerospace, earth-moving machinery, and many other industries.

Ball splines

The invention relates to a ball-spinned shaft. The shaft comprises a plurality of balls that are arranged in a series and are operatively coupled to a load path section. The balls are capable of rolling endlessly along the path. This invention also relates to a ball bearing. Here, a ball bearing is 1 of the many types of gears. The following discussion describes the features of a ball bearing.
A ball-splined shaft assembly comprises a shaft with at least 1 ball-spline groove and a plurality of circumferential step grooves. The shaft is held in a first holding means that extends longitudinally and is rotatably held by a second holding means. Both the shaft and the first holding means are driven relative to 1 another by a first driving means. It is possible to manufacture a ball-splined shaft in a variety of ways.
A ball-splined shaft features a nut with recirculating balls. The ball-splined nut rides in these grooves to provide linear motion while preventing rotation. A splined shaft with a nut that has recirculating balls can also provide rotary motion. A ball splined shaft also has higher load capacities than a ball bushing. For these reasons, ball splines are an excellent choice for many applications.
In this invention, a pair of ball-spinned shafts are housed in a box under a carrier device 40. Each of the 2 shafts extends along a longitudinal line of arm 50. One end of each shaft is supported rotatably by a slide block 56. The slide block also has a support arm 58 that supports the center arm 50 in a cantilever fashion.
splineshaft

Sector no-go gage

A no-go gauge is a tool that checks the splined shaft for oversize. It is an effective way to determine the oversize condition of a splined shaft without removing the shaft. It measures external splines and serrations. The no-go gage is available in sizes ranging from 19mm to 130mm with a 25mm profile length.
The sector no-go gage has 2 groups of diametrally opposed teeth. The space between them is manufactured to a maximum space width and the tooth thickness must be within a predetermined tolerance. This gage would be out of tolerance if the splines were measured with a pin. The dimensions of this splined shaft can be found in the respective ANSI or DIN standards.
The go-no-go gage is useful for final inspection of thread pitch diameter. It is also useful for splined shafts and threaded nuts. The thread of a screw must match the contour of the go-no-go gage head to avoid a no-go condition. There is no substitute for a quality machine. It is an essential tool for any splined shaft and fastener manufacturer.
The NO-GO gage can detect changes in tooth thickness. It can be calibrated under ISO17025 standards and has many advantages over a non-go gage. It also gives a visual reference of the thickness of a splined shaft. When the teeth match, the shaft is considered ready for installation. It is a critical process. In some cases, it is impossible to determine the precise length of the shaft spline.
The 45-degree pressure angle is most commonly used for axles and torque-delivering members. This pressure angle is the most economical in terms of tool life, but the splines will not roll neatly like a 30 degree angle. The 45-degree spline is more likely to fall off larger than the other two. Oftentimes, it will also have a crowned look. The 37.5 degree pressure angle is a compromise between the other 2 pressure angles. It is often used when the splined shaft material is harder than usual.

China high quality Funch Wheel Hub Bearing 512244 for Buick     with Free Design CustomChina high quality Funch Wheel Hub Bearing 512244 for Buick     with Free Design Custom

China high quality Wheel Hub Bearing for Chevrolet Trailblazer 513188 near me factory

Product Description

Wheel Hub Bearing CHEVROLET TR

513188

 

513188
1513 0571
8-12413037-0
FW9188
BR93571
12413037

1. Product Description:
(1). Market type: After market
(2).Packaging Detail: Neutral packing or according to customer’s requirement brand color box.
(3)
Front Axle
Flange Diameter: 5.94 In.
Bolt Circle Diameter: 5.00 In.
Wheel Pilot Diameter: 3.06 In.
Brake Pilot Diameter: 3.11 In.
Flange Offset: 1.85 In.
Hub Pilot Diameter: 3.62 In.
Hub Bolt Circle Diameter: 4.75 In.
Bolt Size: M12X1.5
Bolt Quantity: 6
Bolt Hole MET: M12X1.75
Bolt Hole qty: 3
Flange Shape: TRIANGULAR
ABS Sensor: Has ABS with Integral Sensor
Number of Splines: 27

(4).Application:

Buick Rainier 2004-2007 
Chevrolet SSR 2003-2006 
Chevrolet Trailblazer 2002-2009 
GMC Envoy 2002-2009 
 

2. Products features:
(1). Made of high-quality GCR15 Chrome Steel.
(2). Perfect process, high reliability.
(3). Superior quality(ISO9001, TS16949 standard), long working life.
(4). OEM Service availble.

3, More types of  Chevrolet Wheel Hub Bearing we can provide: 

OEM REF / AMC  Model Product Name
1915571 VKBA7437 CHEVROLET  CAPTIVA (C100, C140) 2.0 D WHEEL HUB BEARING 
515054 BR93571 CHEVROLET  EXPRESS 1500  WHEEL HUB BEARING 
513237 22728987 CHEVROLET   HHR06-09 WHEEL HUB BEARING 
515058 FW338    CHEVROLET  AVALANCHE 2500 2002-2007 4WD WHEEL HUB BEARING 
541009 96471775 CHEVROLET AVEO BASE MODEL L4 1.6L  WHEEL HUB BEARING 
541571 959 0571 7 CHEVROLET AVEO BASE MODEL L4 1.6L  WHEEL HUB BEARING 
513200 BR930497 CHEVROLET BLAZER 1998-2005 RWD       GMC CZPT 1998-2001 RWD WHEEL HUB BEARING 
HA590262 FW356 CHEVROLET CAPTIVA (C100, C140) 2006–06- WHEEL HUB BEARING 
512247 BR930365 CHEVROLET COBAL 2007 4-Wheel ABS WHEEL HUB BEARING 
515111 8-15100-274-0 CHEVROLET COLORADO BASE MODEL L4 2.8L 2770CC–169CID VIN 8 2004  WHEEL HUB BEARING 
590061 15170661 CHEVROLET COLORADO BASE MODEL L4 2.8L 2770CC–169CID VIN 8 2004  WHEEL HUB BEARING 
513571 7466924 Chevrolet Corvette 1984-1996 WHEEL HUB BEARING 
13557128   CHEVROLET CRUZE (J300) 2009–05- WHEEL HUB BEARING 
512446 HA590403 CHEVROLET CRUZE ECO L4 1.4L 1364CC–83CID VIN 9 LUJ TURBO 2011  WHEEL HUB BEARING 
513315 1350571 CHEVROLET CRUZE ECO L4 1.4L 1364CC–83CID VIN 9 LUJ TURBO 2011  WHEEL HUB BEARING 
513250 96639585 CHEVROLET  EPICA, SUZUKI VERONA  C– ABS  2006-2004 Rueda Delantera WHEEL HUB BEARING 
BR93 0571 SP450703  CHEVROLET EXPRESS 1500  WHEEL HUB BEARING 
515059 BR93571 CHEVROLET EXPRESS  2500 2009  WHEEL HUB BEARING 
512315 12413223 CHEVROLET HHR 2006-2009 Non-ABS WHEEL HUB BEARING 
541005   CHEVROLET SILVERADO 1500  WHEEL HUB BEARING 
515071 BR93571 CHEVROLET  SILVERADO 1500 2005-2006  WHEEL HUB BEARING 
515099 15910969 CHEVROLET SILVERADO 3500 CLASSIC LS 2007 WHEEL HUB BEARING 
515041 FW741 CHEVROLET  TRUCK 96-00,Grand Blazer 96-99″”” WHEEL HUB BEARING 

4.About us :
We are specialize in manufacturing wide range of automotive wheel bearing, wheel hub bearing, wheel hub .
 
We have passed the evaluation of ISO9001:2000 , TS16949 Quality management system certification and we believe that quality and service is key to success .our company will always offer high quality products and satisfying after-sale servie to all our customers .
 We sincerely welcome your call and enquiry for cooperation !

 

Applications of Spline Couplings

A spline coupling is a highly effective means of connecting 2 or more components. These types of couplings are very efficient, as they combine linear motion with rotation, and their efficiency makes them a desirable choice in numerous applications. Read on to learn more about the main characteristics and applications of spline couplings. You will also be able to determine the predicted operation and wear. You can easily design your own couplings by following the steps outlined below.
splineshaft

Optimal design

The spline coupling plays an important role in transmitting torque. It consists of a hub and a shaft with splines that are in surface contact without relative motion. Because they are connected, their angular velocity is the same. The splines can be designed with any profile that minimizes friction. Because they are in contact with each other, the load is not evenly distributed, concentrating on a small area, which can deform the hub surface.
Optimal spline coupling design takes into account several factors, including weight, material characteristics, and performance requirements. In the aeronautics industry, weight is an important design factor. S.A.E. and ANSI tables do not account for weight when calculating the performance requirements of spline couplings. Another critical factor is space. Spline couplings may need to fit in tight spaces, or they may be subject to other configuration constraints.
Optimal design of spline couplers may be characterized by an odd number of teeth. However, this is not always the case. If the external spline’s outer diameter exceeds a certain threshold, the optimal spline coupling model may not be an optimal choice for this application. To optimize a spline coupling for a specific application, the user may need to consider the sizing method that is most appropriate for their application.
Once a design is generated, the next step is to test the resulting spline coupling. The system must check for any design constraints and validate that it can be produced using modern manufacturing techniques. The resulting spline coupling model is then exported to an optimisation tool for further analysis. The method enables a designer to easily manipulate the design of a spline coupling and reduce its weight.
The spline coupling model 20 includes the major structural features of a spline coupling. A product model software program 10 stores default values for each of the spline coupling’s specifications. The resulting spline model is then calculated in accordance with the algorithm used in the present invention. The software allows the designer to enter the spline coupling’s radii, thickness, and orientation.
splineshaft

Characteristics

An important aspect of aero-engine splines is the load distribution among the teeth. The researchers have performed experimental tests and have analyzed the effect of lubrication conditions on the coupling behavior. Then, they devised a theoretical model using a Ruiz parameter to simulate the actual working conditions of spline couplings. This model explains the wear damage caused by the spline couplings by considering the influence of friction, misalignment, and other conditions that are relevant to the splines’ performance.
In order to design a spline coupling, the user first inputs the design criteria for sizing load carrying sections, including the external spline 40 of the spline coupling model 30. Then, the user specifies torque margin performance requirement specifications, such as the yield limit, plastic buckling, and creep buckling. The software program then automatically calculates the size and configuration of the load carrying sections and the shaft. These specifications are then entered into the model software program 10 as specification values.
Various spline coupling configuration specifications are input on the GUI screen 80. The software program 10 then generates a spline coupling model by storing default values for the various specifications. The user then can manipulate the spline coupling model by modifying its various specifications. The final result will be a computer-aided design that enables designers to optimize spline couplings based on their performance and design specifications.
The spline coupling model software program continually evaluates the validity of spline coupling models for a particular application. For example, if a user enters a data value signal corresponding to a parameter signal, the software compares the value of the signal entered to the corresponding value in the knowledge base. If the values are outside the specifications, a warning message is displayed. Once this comparison is completed, the spline coupling model software program outputs a report with the results.
Various spline coupling design factors include weight, material properties, and performance requirements. Weight is 1 of the most important design factors, particularly in the aeronautics field. ANSI and S.A.E. tables do not consider these factors when calculating the load characteristics of spline couplings. Other design requirements may also restrict the configuration of a spline coupling.

Applications

Spline couplings are a type of mechanical joint that connects 2 rotating shafts. Its 2 parts engage teeth that transfer load. Although splines are commonly over-dimensioned, they are still prone to fatigue and static behavior. These properties also make them prone to wear and tear. Therefore, proper design and selection are vital to minimize wear and tear on splines. There are many applications of spline couplings.
A key design is based on the size of the shaft being joined. This allows for the proper spacing of the keys. A novel method of hobbing allows for the formation of tapered bases without interference, and the root of the keys is concentric with the axis. These features enable for high production rates. Various applications of spline couplings can be found in various industries. To learn more, read on.
FE based methodology can predict the wear rate of spline couplings by including the evolution of the coefficient of friction. This method can predict fretting wear from simple round-on-flat geometry, and has been calibrated with experimental data. The predicted wear rate is reasonable compared to the experimental data. Friction evolution in spline couplings depends on the spline geometry. It is also crucial to consider the lubrication condition of the splines.
Using a spline coupling reduces backlash and ensures proper alignment of mated components. The shaft’s splined tooth form transfers rotation from the splined shaft to the internal splined member, which may be a gear or other rotary device. A spline coupling’s root strength and torque requirements determine the type of spline coupling that should be used.
The spline root is usually flat and has a crown on 1 side. The crowned spline has a symmetrical crown at the centerline of the face-width of the spline. As the spline length decreases toward the ends, the teeth are becoming thinner. The tooth diameter is measured in pitch. This means that the male spline has a flat root and a crowned spline.
splineshaft

Predictability

Spindle couplings are used in rotating machinery to connect 2 shafts. They are composed of 2 parts with teeth that engage each other and transfer load. Spline couplings are commonly over-dimensioned and are prone to static and fatigue behavior. Wear phenomena are also a common problem with splines. To address these issues, it is essential to understand the behavior and predictability of these couplings.
Dynamic behavior of spline-rotor couplings is often unclear, particularly if the system is not integrated with the rotor. For example, when a misalignment is not present, the main response frequency is 1 X-rotating speed. As the misalignment increases, the system starts to vibrate in complex ways. Furthermore, as the shaft orbits depart from the origin, the magnitudes of all the frequencies increase. Thus, research results are useful in determining proper design and troubleshooting of rotor systems.
The model of misaligned spline couplings can be obtained by analyzing the stress-compression relationships between 2 spline pairs. The meshing force model of splines is a function of the system mass, transmitting torque, and dynamic vibration displacement. This model holds when the dynamic vibration displacement is small. Besides, the CZPT stepping integration method is stable and has high efficiency.
The slip distributions are a function of the state of lubrication, coefficient of friction, and loading cycles. The predicted wear depths are well within the range of measured values. These predictions are based on the slip distributions. The methodology predicts increased wear under lightly lubricated conditions, but not under added lubrication. The lubrication condition and coefficient of friction are the key factors determining the wear behavior of splines.

China high quality Wheel Hub Bearing for Chevrolet Trailblazer 513188     near me factory China high quality Wheel Hub Bearing for Chevrolet Trailblazer 513188     near me factory

China high quality 4D0 407 625 D/1J0 501 477 A /893 407 615 D Wheel Hub Bearing Assembly /Hub Unit Bearing For AUDI near me factory

Product Description

Product Description

Generation 1 was the first wheel bearing unit on the market. It is available with both ball and tapered rollers. 
Double-row angular contact ball bearings are used on front and rear axle.
Double-row tapered roller bearings are requently used in light commercial vehicles, used for high axle loads.
we can provide wheel bearings with and without multipole encoder,  with and without snap ring to secure on axle carrier.

Generation 2 wheel bearings are compact wheel bearing units with a flange.

Generation 3 wheel bearings have 2 flanges. One serves as the wheel hub, the other secures the bearing unit to the axle carrier.
 

 

 

Product Parameters

Ref.:4D0 407 625 D
Front Axle
Flange Diameter : 4.5 In.
Wheel Pilot Diameter : 3.2 In.
Brake Pilot Diameter : 3.3 In.
Flange Offset : 1.2 In.
Hub Pilot Diameter : 3.3 In.
Bolt Quantity : N/A
Bolt Hole qty : 4
ABS Sensor : No
Number of Splines : N/A

 

Application Year
AUDI A4 (8E2, B6) 1/-0    

Packaging & Shipping

 

 

 

Our Advantages

1. We have over 10 years’ experience.
2. OEM or Non-Standard Bearings: Any requirement for Non-standard bearings is easily fulfilled by us due to our vast knowledge and links in the industry.
3. After Sales Service and Technical Assistance: Our company provides after-sales service and technical assistance as per the customer’s requirements and needs.
4. Quick Delivery: Our company provides just-in-time delivery with our streamlined supply chain.
5.We attend promptly to any customer questions. We believe that if our customers are satisfied then it proves our worth. Our customers are always given quick support.                              

Please contact us immediately if you have any questions.

Related Products

 

Types of Splines

There are 4 types of splines: Involute, Parallel key, helical, and ball. Learn about their characteristics. And, if you’re not sure what they are, you can always request a quotation. These splines are commonly used for building special machinery, repair jobs, and other applications. The CZPT Manufacturing Company manufactures these shafts. It is a specialty manufacturer and we welcome your business.
splineshaft

Involute splines

The involute spline provides a more rigid and durable structure, and is available in a variety of diameters and spline counts. Generally, steel, carbon steel, or titanium are used as raw materials. Other materials, such as carbon fiber, may be suitable. However, titanium can be difficult to produce, so some manufacturers make splines using other constituents.
When splines are used in shafts, they prevent parts from separating during operation. These features make them an ideal choice for securing mechanical assemblies. Splines with inward-curving grooves do not have sharp corners and are therefore less likely to break or separate while they are in operation. These properties help them to withstand high-speed operations, such as braking, accelerating, and reversing.
A male spline is fitted with an externally-oriented face, and a female spline is inserted through the center. The teeth of the male spline typically have chamfered tips to provide clearance with the transition area. The radii and width of the teeth of a male spline are typically larger than those of a female spline. These specifications are specified in ANSI or DIN design manuals.
The effective tooth thickness of a spline depends on the involute profile error and the lead error. Also, the spacing of the spline teeth and keyways can affect the effective tooth thickness. Involute splines in a splined shaft are designed so that at least 25 percent of the spline teeth engage during coupling, which results in a uniform distribution of load and wear on the spline.

Parallel key splines

A parallel splined shaft has a helix of equal-sized grooves around its circumference. These grooves are generally parallel or involute. Splines minimize stress concentrations in stationary joints and allow linear and rotary motion. Splines may be cut or cold-rolled. Cold-rolled splines have more strength than cut spines and are often used in applications that require high strength, accuracy, and a smooth surface.
A parallel key splined shaft features grooves and keys that are parallel to the axis of the shaft. This design is best suited for applications where load bearing is a primary concern and a smooth motion is needed. A parallel key splined shaft can be made from alloy steels, which are iron-based alloys that may also contain chromium, nickel, molybdenum, copper, or other alloying materials.
A splined shaft can be used to transmit torque and provide anti-rotation when operating as a linear guide. These shafts have square profiles that match up with grooves in a mating piece and transmit torque and rotation. They can also be easily changed in length, and are commonly used in aerospace. Its reliability and fatigue life make it an excellent choice for many applications.
The main difference between a parallel key splined shaft and a keyed shaft is that the former offers more flexibility. They lack slots, which reduce torque-transmitting capacity. Splines offer equal load distribution along the gear teeth, which translates into a longer fatigue life for the shaft. In agricultural applications, shaft life is essential. Agricultural equipment, for example, requires the ability to function at high speeds for extended periods of time.
splineshaft

Involute helical splines

Involute splines are a common design for splined shafts. They are the most commonly used type of splined shaft and feature equal spacing among their teeth. The teeth of this design are also shorter than those of the parallel spline shaft, reducing stress concentration. These splines can be used to transmit power to floating or permanently fixed gears, and reduce stress concentrations in the stationary joint. Involute splines are the most common type of splined shaft, and are widely used for a variety of applications in automotive, machine tools, and more.
Involute helical spline shafts are ideal for applications involving axial motion and rotation. They allow for face coupling engagement and disengagement. This design also allows for a larger diameter than a parallel spline shaft. The result is a highly efficient gearbox. Besides being durable, splines can also be used for other applications involving torque and energy transfer.
A new statistical model can be used to determine the number of teeth that engage for a given load. These splines are characterized by a tight fit at the major diameters, thereby transferring concentricity from the shaft to the female spline. A male spline has chamfered tips for clearance with the transition area. ANSI and DIN design manuals specify the different classes of fit.
The design of involute helical splines is similar to that of gears, and their ridges or teeth are matched with the corresponding grooves in a mating piece. It enables torque and rotation to be transferred to a mate piece while maintaining alignment of the 2 components. Different types of splines are used in different applications. Different splines can have different levels of tooth height.

Involute ball splines

When splines are used, they allow the shaft and hub to engage evenly over the shaft’s entire circumference. Because the teeth are evenly spaced, the load that they can transfer is uniform and their position is always the same regardless of shaft length. Whether the shaft is used to transmit torque or to transmit power, splines are a great choice. They provide maximum strength and allow for linear or rotary motion.
There are 3 basic types of splines: helical, crown, and ball. Crown splines feature equally spaced grooves. Crown splines feature involute sides and parallel sides. Helical splines use involute teeth and are often used in small diameter shafts. Ball splines contain a ball bearing inside the splined shaft to facilitate rotary motion and minimize stress concentration in stationary joints.
The 2 types of splines are classified under the ANSI classes of fit. Fillet root splines have teeth that mesh along the longitudinal axis of rotation. Flat root splines have similar teeth, but are intended to optimize strength for short-term use. Both types of splines are important for ensuring the shaft aligns properly and is not misaligned.
The friction coefficient of the hub is a complex process. When the hub is off-center, the center moves in predictable but irregular motion. Moreover, when the shaft is centered, the center may oscillate between being centered and being off-center. To compensate for this, the torque must be adequate to keep the shaft in its axis during all rotation angles. While straight-sided splines provide similar centering, they have lower misalignment load factors.
splineshaft

Keyed shafts

Essentially, splined shafts have teeth or ridges that fit together to transfer torque. Because splines are not as tall as involute gears, they offer uniform torque transfer. Additionally, they provide the opportunity for torque and rotational changes and improve wear resistance. In addition to their durability, splined shafts are popular in the aerospace industry and provide increased reliability and fatigue life.
Keyed shafts are available in different materials, lengths, and diameters. When used in high-power drive applications, they offer higher torque and rotational speeds. The higher torque they produce helps them deliver power to the gearbox. However, they are not as durable as splined shafts, which is why the latter is usually preferred in these applications. And while they’re more expensive, they’re equally effective when it comes to torque delivery.
Parallel keyed shafts have separate profiles and ridges and are used in applications requiring accuracy and precision. Keyed shafts with rolled splines are 35% stronger than cut splines and are used where precision is essential. These splines also have a smooth finish, which can make them a good choice for precision applications. They also work well with gears and other mechanical systems that require accurate torque transfer.
Carbon steel is another material used for splined shafts. Carbon steel is known for its malleability, and its shallow carbon content helps create reliable motion. However, if you’re looking for something more durable, consider ferrous steel. This type contains metals such as nickel, chromium, and molybdenum. And it’s important to remember that carbon steel is not the only material to consider.

China high quality 4D0 407 625 D/1J0 501 477 A /893 407 615 D Wheel Hub Bearing Assembly /Hub Unit Bearing For AUDI     near me factory China high quality 4D0 407 625 D/1J0 501 477 A /893 407 615 D Wheel Hub Bearing Assembly /Hub Unit Bearing For AUDI     near me factory

China Standard Wheel Hub Bearing 515036, Hub Assembly for Chevrolet with high quality

Product Description

Contact:; Joanna Xuan  
 
Mob:; +86~8 13858117  
 

1.;Model:;515036,;15745711,;BR930304,;1 0571 163,;15157194,;15112382

2.;Product Specification:;
Front Axle
Flange Diameter:; 7.;087 In.;
Bolt Circle Diameter:; 4.;961 In.;
Wheel Pilot Diameter:; 3.;064 In.;
Brake Pilot Diameter:; 3.;085 In.;
Flange Offset:; 1.;961 In.;
Hub Pilot Diameter:; 3.;91 In.;
Hub Bolt Circle Diameter:; 5 In.;
Bolt Size:; M14X1.;5
Bolt Quantity:; 6
Bolt Hole qty:; 3
ABS Sensor:; Yes
Number of Splines:; 33

3.;About us :;
We are specialize in manufacturing wide range of automotive wheel bearing,; wheel hub bearing,; wheel hub for European and American,; Japanese,; Korean automobiles:;
1.; The DAC Series wheel bearing;
2.; The Second generation wheel Hub Units;
3.; The Third generation wheel Hub bearing;
 
We have passed the evaluation of ISO9 HUB-06 MB663664 DACF1034C  1J0 501 477 A 1J0501611 1J0 598 477   BAF4104 43210-35F01 43210-35F06 43202-70N05 BR930130 HUB042-32 30BWK06 42410-12090 42409-33571 BR930336 DACF1117  42450-12030 HUB-02 422 W BR930014 42200-SM4-008 513079 HUB083-64 7466976 BR930076 BR930077 BR930190K BR930186 44300-S0A-003 44200-SM4-013 44200-SM4-018 43BWK03 2DACF4-102/275   F7DC-2C300-AB 3DACF7-112/362 BR930179 BR930113 HUB005 53571712 BR930040 BR930045 31211131297 BR935710 BR930548K 3DACF9-112/375-I 4641516 0571 1957AA BR935715 3DACF9-112/375 15731657 3DACF8-120/47-I BR930097 BR930161 DACF1033K H431-33-15XA 36BWK02 2DACF5-114/59 DACF2044M MB633276 MB864847 DACF1092 BR930080   4593462AA BR930138 3DACF7-112/376 88967287 BR930099  NA01-33-04X 3DACF8-108/48 BR935716 MR403970 BR935714 530 0571 9AC BR935719 HA598679 BR93571 FW9160 165714 BR930169 2W43-2B663AA BR935713 2W93-2B663-BA 31 21 1 137 996 BR930164 31 22 1 093 427 BR930144 BR930388 271786 HA594181 BR935719 BR930269 52128692AE FW293       12413071 8957184 1513 0571 BR930397 FW121        BR930323 165713 30571890 43401-65D10 41BWK03 BR935717 BR930306 BR930363 BR930149 15731627  F8AC-2B663AB  BR930158  BR930168 HA590085 BR930184 BR93 0571 HA590068 BR93571 HA59 BR93 0571 BR930504 VKBA3670 8 0571 6 C BR93 0571  BP4K-33-15XB BN8B-33-15XB TH05006-1 HA590070 BR93 0571 HA590071 BR93571 92115772 92115771 28373-AG-01A BR93571 BR930493 4R33-2C300AA HA590026 BR930450 BR93 0571 HA590030 BR93571 4F0498625B BR93571 BR930506 BR93571 BR930465 BR930634 HA590157 22728987 96639585 1T0498621   31 21 6 765 157 VKBA3681 51750-2B571 BR930647 43550-57150 BR930614 1K0 498 621 BR930524 43510-47571 3DACF038DB-2D 51750-3J000 VKBA7414 BR930720 538-58958   5215717AD HA595715 515136 BR930688 BR93 0571 BR93571 BAR-5032-AB 92192305 HA595719 15851077 BR930674 HA590260 13580685 43550-3571 4721571AC BR93 0571    BAR-5710A 43402-57L50 43401-65J00 HA590178 BR93571 HUB271-T5 45712-JA000 BR930656 45712-JA100 45712-JG000 8K571625  BR93571 4H0498625A 31 20 6 779 735 31226776671 45712CA000 1350571 BR930815 HA590402 HA59571 F29-1104-BA BR930116 15693437 F87Z-1104-CA SP455710 BR935712 XL1Z-1104-AE BR935718 BR930265 52008220CC BR935716 BR935715 F65Z1104BA F65Z1104AA BR93 0571 BR930400 BR930405 SP455711 BR930343 BR935718 15564913 BR930406 BR935719 F81Z-1104-BH BR930420 F81Z-1104-ED BR930424 52069880AA BR93571 15997071 3DACF9-126/565 BR930346 F81Z-1104-CH BR93571 BR930341 BR930422 YL3Z-1104-AA BR930423 1L3Z-1104-BA BR93571 BR935716 BR930407 BR930408 BR930304    BR930361 BR930305 43570-6571 43502-6571 FW194 54KWH01 FW741

The Functions of Splined Shaft Bearings

Splined shafts are the most common types of bearings for machine tools. They are made of a wide variety of materials, including metals and non-metals such as Delrin and nylon. They are often fabricated to reduce deflection. The tooth profile will become deformed with time, as the shaft is used over a long period of time. Splined shafts are available in a huge range of materials and lengths.

Functions

Splined shafts are used in a variety of applications and industries. They are an effective anti-rotational device, as well as a reliable means of transmitting torque. Other types of shafts are available, including key shafts, but splines are the most convenient for transmitting torque. The following article discusses the functions of splines and why they are a superior choice. Listed below are a few examples of applications and industries in which splines are used.
Splined shafts can be of several styles, depending on the application and mechanical system in question. The differences between splined shaft styles include the design of teeth, overall strength, transfer of rotational concentricity, sliding ability, and misalignment tolerance. Listed below are a few examples of splines, as well as some of their benefits. The difference between these styles is not mutually exclusive; instead, each style has a distinct set of pros and cons.
A splined shaft is a cylindrical shaft with teeth or ridges that correspond to a specific angular position. This allows a shaft to transfer torque while maintaining angular correspondence between tracks. A splined shaft is defined as a cylindrical member with several grooves cut into its circumference. These grooves are equally spaced around the shaft and form a series of projecting keys. These features give the shaft a rounded appearance and allow it to fit perfectly into a grooved cylindrical member.
While the most common applications of splines are for shortening or extending shafts, they can also be used to secure mechanical assemblies. An “involute spline” spline has a groove that is wider than its counterparts. The result is that a splined shaft will resist separation during operation. They are an ideal choice for applications where deflection is an issue.
A spline shaft’s radial torsion load distribution is equally distributed, unless a bevel gear is used. The radial torsion load is evenly distributed and will not exert significant load concentration. If the spline couplings are not aligned correctly, the spline connection can fail quickly, causing significant fretting fatigue and wear. A couple of papers discuss this issue in more detail.
splineshaft

Types

There are many different types of splined shafts. Each type features an evenly spaced helix of grooves on its outer surface. These grooves are either parallel or involute. Their shape allows them to be paired with gears and interchange rotary and linear motion. Splines are often cold-rolled or cut. The latter has increased strength compared to cut spines. These types of shafts are commonly used in applications requiring high strength, accuracy, and smoothness.
Another difference between internal and external splined shafts lies in the manufacturing process. The former is made of wood, while the latter is made of steel or a metal alloy. The process of manufacturing splined shafts involves cutting furrows into the surface of the material. Both processes are expensive and require expert skill. The main advantage of splined shafts is their adaptability to a wide range of applications.
In general, splined shafts are used in machinery where the rotation is transferred to an internal splined member. This member can be a gear or some other rotary device. These types of shafts are often packaged together as a hub assembly. Cleaning and lubricating are essential to the life of these components. If you’re using them on a daily basis, you’ll want to make sure to regularly inspect them.
Crowned splines are usually involute. The teeth of these splines form a spiral pattern. They are used for smaller diameter shafts because they add strength. Involute splines are also used on instrument drives and valve shafts. Serration standards are found in the SAE. Both kinds of splines can also contain a ball bearing for high torque. The difference between the 2 types of splines is the number of teeth on the shaft.
Internal splines have many advantages over external ones. For example, an internal spline shaft can be made using a grinding wheel instead of a CNC machine. It also uses a more accurate and economical process. Furthermore, it allows for a shorter manufacturing cycle, which is essential when splining high-speed machines. In addition, it stabilizes the relative phase between the spline and thread.
splineshaft

Manufacturing methods

There are several methods used to fabricate a splined shaft. Key and splined shafts are constructed from 2 separate parts that are shaped in a synchronized manner to transfer torque uniformly. Hot rolling is 1 method, while cold rolling utilizes low temperatures to form metal. Both methods enhance mechanical properties, surface finishes, and precision. The advantage of cold rolling is its cost-effectiveness.
Cold forming is 1 method, as well as machining and assembling. Cold forming is a unique process that allows the spline to be shaped to the desired shape. The resulting shape provides maximum contact area and torsional strength. Standard splines are available in standard sizes, but custom lengths can also be ordered. CZPT offers various auxiliary equipment, such as mating sleeves and flanged bushings.
Cold forging is another method. This method produces long splined shafts that are used in automobile propellers. After the spline portion is cut out, it is worked on in a hobbing machine. Work hardening enhances the root strength of the splined portion. It can be used for bearings, gears, and other mechanical components. Listed below are the manufacturing methods for splined shafts.
Parallel splines are the simplest of the splined shaft manufacturing methods. Parallel splines are usually welded to shafts, while involute splines are made of metal or non-metals. Splines are available in a wide variety of lengths and materials. The process is usually accompanied by a process called milling. The workpiece rotates to produce the serrated surface.
Splines are internal or external grooves in a splined shaft. They work in combination with keyways to transfer torque. Male and female splines are used in gears. Female and male splines correspond to 1 another to ensure proper angular correspondence. Involute splines have more surface area and thus are stronger than external splines. Moreover, they help the shaft fit into a grooved cylindrical member without misalignment.
A variety of other methods of manufacturing a splined shaft can be used to produce a splined shaft. Spline shafts can be produced using broaching and shaping, 2 precision machining methods. Broaching uses a metal tool with successively larger teeth to remove metal and create ridges and holes in the surface of a material. However, this process is expensive and requires special expertise.
splineshaft

Applications

The splined shaft is a mechanical component with a helix-like shape formed by the equal spacing of grooves in a circular ring. The splines can either have parallel or involute sides. The splines minimize stress concentration in stationary joints and can be used in both rotary and linear motion. In some cases, splines are rolled rather than cut. The latter is more durable than cut splines and is often used in applications requiring high strength, accuracy, and smooth finish.
Splined shafts are commonly made of carbon steel. This alloy steel has a low carbon content, making it easy to work with. Carbon steel is a great choice for splines because it is malleable. Generally, high-quality carbon steel provides a consistent motion. Steel alloys are also available that contain nickel, chromium, copper, and other metals. If you’re unsure of the right material for your application, you can consult a spline chart.
Splines are a versatile mechanical component. They are easy to cut and fit. Splines can be internal or external, with teeth positioned at equal intervals on both sides of the shaft. This allows the shaft to engage with the hub around the entire circumference of the hub. It also increases load capacity by creating a constant multiple-tooth point of contact with the hub. For this reason, they’re used extensively in rotary and linear motion.
Splined shafts are used in a wide variety of industries. CZPT Inc. offers custom and standard splined shafts for a variety of applications. When choosing a splined shaft for a specific application, consider the surrounding mated components, torque requirements, and size requirements. These 3 factors will make it the ideal choice for your rotary equipment. And you’ll be pleased with the end result!
There are many types of splines and their applications are endless. They transfer torque and angular misalignment between parts, and they also enable the axial rotation of assembled components. Therefore, splines are an essential component of machinery and are used in a wide range of applications. This type of shaft can be found in various types of machines, from household appliances to industrial machinery. So, the next time you’re looking for a splined shaft, make sure you look for a splined one.

China Standard Wheel Hub Bearing 515036, Hub Assembly for Chevrolet     with high qualityChina Standard Wheel Hub Bearing 515036, Hub Assembly for Chevrolet     with high quality

China Good quality 512305 Wheel Bearing and Hub Assembly for Audi with high quality

Product Description

1.Model:512305,4D04 0571 5D,RW8305,FW179

2.Product Specification:

Front Axle
Flange Diameter
 : 4.5 In.
Wheel Pilot Diameter : 3.2 In.
Brake Pilot Diameter : 3.3 In.
Flange Offset : 1.2 In.
Hub Pilot Diameter : 3.3 In.
Bolt Quantity : N/A 
Bolt Hole qty : 4 
ABS Sensor : No 
Number of Splines : N/A

AUDI A4 2 46860-76GBC A B455-26-15XA BP4K-26-15XF D651-26-15XD DG357217WYA12RK DG357226W2RSC4 MB844919 MR316451 MR594142  NAVARA 4X4 NAVARA4X4-A TBA 512460 43550-0D-070 NO ABS 43550-0D-070                   

Stiffness and Torsional Vibration of Spline-Couplings

In this paper, we describe some basic characteristics of spline-coupling and examine its torsional vibration behavior. We also explore the effect of spline misalignment on rotor-spline coupling. These results will assist in the design of improved spline-coupling systems for various applications. The results are presented in Table 1.
splineshaft

Stiffness of spline-coupling

The stiffness of a spline-coupling is a function of the meshing force between the splines in a rotor-spline coupling system and the static vibration displacement. The meshing force depends on the coupling parameters such as the transmitting torque and the spline thickness. It increases nonlinearly with the spline thickness.
A simplified spline-coupling model can be used to evaluate the load distribution of splines under vibration and transient loads. The axle spline sleeve is displaced a z-direction and a resistance moment T is applied to the outer face of the sleeve. This simple model can satisfy a wide range of engineering requirements but may suffer from complex loading conditions. Its asymmetric clearance may affect its engagement behavior and stress distribution patterns.
The results of the simulations show that the maximum vibration acceleration in both Figures 10 and 22 was 3.03 g/s. This results indicate that a misalignment in the circumferential direction increases the instantaneous impact. Asymmetry in the coupling geometry is also found in the meshing. The right-side spline’s teeth mesh tightly while those on the left side are misaligned.
Considering the spline-coupling geometry, a semi-analytical model is used to compute stiffness. This model is a simplified form of a classical spline-coupling model, with submatrices defining the shape and stiffness of the joint. As the design clearance is a known value, the stiffness of a spline-coupling system can be analyzed using the same formula.
The results of the simulations also show that the spline-coupling system can be modeled using MASTA, a high-level commercial CAE tool for transmission analysis. In this case, the spline segments were modeled as a series of spline segments with variable stiffness, which was calculated based on the initial gap between spline teeth. Then, the spline segments were modelled as a series of splines of increasing stiffness, accounting for different manufacturing variations. The resulting analysis of the spline-coupling geometry is compared to those of the finite-element approach.
Despite the high stiffness of a spline-coupling system, the contact status of the contact surfaces often changes. In addition, spline coupling affects the lateral vibration and deformation of the rotor. However, stiffness nonlinearity is not well studied in splined rotors because of the lack of a fully analytical model.
splineshaft

Characteristics of spline-coupling

The study of spline-coupling involves a number of design factors. These include weight, materials, and performance requirements. Weight is particularly important in the aeronautics field. Weight is often an issue for design engineers because materials have varying dimensional stability, weight, and durability. Additionally, space constraints and other configuration restrictions may require the use of spline-couplings in certain applications.
The main parameters to consider for any spline-coupling design are the maximum principal stress, the maldistribution factor, and the maximum tooth-bearing stress. The magnitude of each of these parameters must be smaller than or equal to the external spline diameter, in order to provide stability. The outer diameter of the spline must be at least 4 inches larger than the inner diameter of the spline.
Once the physical design is validated, the spline coupling knowledge base is created. This model is pre-programmed and stores the design parameter signals, including performance and manufacturing constraints. It then compares the parameter values to the design rule signals, and constructs a geometric representation of the spline coupling. A visual model is created from the input signals, and can be manipulated by changing different parameters and specifications.
The stiffness of a spline joint is another important parameter for determining the spline-coupling stiffness. The stiffness distribution of the spline joint affects the rotor’s lateral vibration and deformation. A finite element method is a useful technique for obtaining lateral stiffness of spline joints. This method involves many mesh refinements and requires a high computational cost.
The diameter of the spline-coupling must be large enough to transmit the torque. A spline with a larger diameter may have greater torque-transmitting capacity because it has a smaller circumference. However, the larger diameter of a spline is thinner than the shaft, and the latter may be more suitable if the torque is spread over a greater number of teeth.
Spline-couplings are classified according to their tooth profile along the axial and radial directions. The radial and axial tooth profiles affect the component’s behavior and wear damage. Splines with a crowned tooth profile are prone to angular misalignment. Typically, these spline-couplings are oversized to ensure durability and safety.

Stiffness of spline-coupling in torsional vibration analysis

This article presents a general framework for the study of torsional vibration caused by the stiffness of spline-couplings in aero-engines. It is based on a previous study on spline-couplings. It is characterized by the following 3 factors: bending stiffness, total flexibility, and tangential stiffness. The first criterion is the equivalent diameter of external and internal splines. Both the spline-coupling stiffness and the displacement of splines are evaluated by using the derivative of the total flexibility.
The stiffness of a spline joint can vary based on the distribution of load along the spline. Variables affecting the stiffness of spline joints include the torque level, tooth indexing errors, and misalignment. To explore the effects of these variables, an analytical formula is developed. The method is applicable for various kinds of spline joints, such as splines with multiple components.
Despite the difficulty of calculating spline-coupling stiffness, it is possible to model the contact between the teeth of the shaft and the hub using an analytical approach. This approach helps in determining key magnitudes of coupling operation such as contact peak pressures, reaction moments, and angular momentum. This approach allows for accurate results for spline-couplings and is suitable for both torsional vibration and structural vibration analysis.
The stiffness of spline-coupling is commonly assumed to be rigid in dynamic models. However, various dynamic phenomena associated with spline joints must be captured in high-fidelity drivetrain models. To accomplish this, a general analytical stiffness formulation is proposed based on a semi-analytical spline load distribution model. The resulting stiffness matrix contains radial and tilting stiffness values as well as torsional stiffness. The analysis is further simplified with the blockwise inversion method.
It is essential to consider the torsional vibration of a power transmission system before selecting the coupling. An accurate analysis of torsional vibration is crucial for coupling safety. This article also discusses case studies of spline shaft wear and torsionally-induced failures. The discussion will conclude with the development of a robust and efficient method to simulate these problems in real-life scenarios.
splineshaft

Effect of spline misalignment on rotor-spline coupling

In this study, the effect of spline misalignment in rotor-spline coupling is investigated. The stability boundary and mechanism of rotor instability are analyzed. We find that the meshing force of a misaligned spline coupling increases nonlinearly with spline thickness. The results demonstrate that the misalignment is responsible for the instability of the rotor-spline coupling system.
An intentional spline misalignment is introduced to achieve an interference fit and zero backlash condition. This leads to uneven load distribution among the spline teeth. A further spline misalignment of 50um can result in rotor-spline coupling failure. The maximum tensile root stress shifted to the left under this condition.
Positive spline misalignment increases the gear mesh misalignment. Conversely, negative spline misalignment has no effect. The right-handed spline misalignment is opposite to the helix hand. The high contact area is moved from the center to the left side. In both cases, gear mesh is misaligned due to deflection and tilting of the gear under load.
This variation of the tooth surface is measured as the change in clearance in the transverse plain. The radial and axial clearance values are the same, while the difference between the 2 is less. In addition to the frictional force, the axial clearance of the splines is the same, which increases the gear mesh misalignment. Hence, the same procedure can be used to determine the frictional force of a rotor-spline coupling.
Gear mesh misalignment influences spline-rotor coupling performance. This misalignment changes the distribution of the gear mesh and alters contact and bending stresses. Therefore, it is essential to understand the effects of misalignment in spline couplings. Using a simplified system of helical gear pair, Hong et al. examined the load distribution along the tooth interface of the spline. This misalignment caused the flank contact pattern to change. The misaligned teeth exhibited deflection under load and developed a tilting moment on the gear.
The effect of spline misalignment in rotor-spline couplings is minimized by using a mechanism that reduces backlash. The mechanism comprises cooperably splined male and female members. One member is formed by 2 coaxially aligned splined segments with end surfaces shaped to engage in sliding relationship. The connecting device applies axial loads to these segments, causing them to rotate relative to 1 another.

China Good quality 512305 Wheel Bearing and Hub Assembly for Audi     with high qualityChina Good quality 512305 Wheel Bearing and Hub Assembly for Audi     with high quality

China supplier Wheel Hub Bearing for CZPT Explorer 515078 with high quality

Product Description

Product Description

Wheel Hub Bearing for FORD EXPL

515078 6L24-1104AH
7L241104AA
7L2Z1104A
6L2Z1104A
7L2Z1104AFC
BR930741
        


1. Product Description:

(1). Market type: After market
(2).Packaging Detail: Neutral packing or according to customer’s requirement brand color box.
(3)
Front Axle
Flange Diameter : 6.299 In.
Bolt Circle Diameter : 4.500 In.
Wheel Pilot Diameter : 2.77 In.
Brake Pilot Diameter : 3.228 In.
Flange Offset : 1.921 In.
Hub Pilot Diameter : 3.346 In.
Hub Bolt Circle Diameter : 4.449 In.
Bolt Size : 1/2-20
Bolt Quantity : 5
Bolt Hole qty : 3
ABS Sensor : Y
Number of Splines : 27

(4).Application:
 FORD EXPLORER CZPT BAUER 2006-2009
FORD EXPLORER LIMITED 2006-2009
FORD EXPLORER XLS 2006
FORD EXPLORER XLT 2006-2009
FORD EXPLORER SPORT TRAC LIMITED 2007
FORD EXPLORER SPORT TRAC LIMITED 2007-2009
FORD EXPLORER SPORT TRAC LIMITED 2009
FORD EXPLORER SPORT TRAC XLT 2007
FORD EXPLORER SPORT TRAC XLT 2007-2009
FORD EXPLORER SPORT TRAC XLT 2009
MERCURY MOUNTAINEER BASE MODEL 2007-2009
MERCURY MOUNTAINEER CONVENIENCE 2006
MERCURY MOUNTAINEER LUXURY 2006
MERCURY MOUNTAINEER PREMIER 2006-2009
MERCURY MOUNTAINEER PREMIER 2007-2009

2. Products features:
(1). Made of high-quality GCR15 Chrome Steel.
(2). Perfect process, high reliability.
(3). Superior quality(ISO9001, TS16949 standard), long working life.
(4). OEM Service availble.

3, More types of CZPT Wheel Hub Bearing we can provide: 

OEM REF / AMC  Model Product Name
513115 2DACF5-1143/427 Ford WHEEL HUB BEARING
6C111K018AA BTF 1210 A FORD WHEEL HUB BEARING
2DACF-975/40 BTF-1125B Ford WHEEL HUB BEARING
513230 BR930506 Ford  Crown Victoria 2009-2005, Town Car 2009-2005, Gran Marquis 2009-2005 Rueda Delantera WHEEL HUB BEARING
515094 7L141A148BA FORD  EXPEDITION WHEEL HUB BEARING
HA590367 1547177 FORD  FIESTA VI 1.25 WHEEL HUB BEARING
HA590367 BR930784 FORD  FIESTA VI 1.25 WHEEL HUB BEARING
1383427 BAR-0078A FORD  MONDEO III (B5Y) 1.8 16V WHEEL HUB BEARING
1383427 2DACF9-104/50 FORD  MONDEO III (B5Y) 1.8 16V WHEEL HUB BEARING
7T16-2C299-BB VKBA 6522  FORD  TOURNEO CONNECT 1.8 16V WHEEL HUB BEARING
7T16-2C299-BB 1469189 FORD  TOURNEO CONNECT 1.8 16V WHEEL HUB BEARING
513202  F8AC-2B663AB Ford Crown Victoria 1998-2000 WHEEL HUB BEARING
513202  BR930158 Ford Crown Victoria 1998-2000 WHEEL HUB BEARING
513202  BR930168 Ford Crown Victoria 1998-2000 WHEEL HUB BEARING
513014 E3EC-1215AA FORD ESCORT–EXP1983-1983 WHEEL HUB BEARING
512460 BB5Z1104A FORD EXPLORER WHEEL HUB BEARING
512460 HA590446 FORD EXPLORER WHEEL HUB BEARING
512460 BR930809 FORD EXPLORER WHEEL HUB BEARING
515003 F87Z-1104-CA Ford Explorer 2002 Sport, 4WD WHEEL HUB BEARING
515003 SP455710 Ford Explorer 2002 Sport, 4WD WHEEL HUB BEARING
515003 BR935712 Ford Explorer 2002 Sport, 4WD WHEEL HUB BEARING
515100 F81Z-1104-DG FORD F-450 SUPER DUTY BASE MODEL V10 6.8L 415CID VIN S 2001-2004  WHEEL HUB BEARING
3M51-2C299RBB VKBA3661 Ford Focus 2005– ABS WHEEL HUB BEARING
3M51-2C299RBB 7M51-2C299AC Ford Focus 2005– ABS WHEEL HUB BEARING

4.About us :
We are specialize in manufacturing wide range of automotive wheel bearing, wheel hub bearing, wheel hub .
 
We have passed the evaluation of ISO9001:2000 , TS16949 Quality management system certification and we believe that quality and service is key to success .our company will always offer high quality products and satisfying after-sale servie to all our customers .
 We sincerely welcome your call and enquiry for cooperation !

 

Analytical Approaches to Estimating Contact Pressures in Spline Couplings

A spline coupling is a type of mechanical connection between 2 rotating shafts. It consists of 2 parts – a coupler and a coupling. Both parts have teeth which engage and transfer loads. However, spline couplings are typically over-dimensioned, which makes them susceptible to fatigue and static behavior. Wear phenomena can also cause the coupling to fail. For this reason, proper spline coupling design is essential for achieving optimum performance.
splineshaft

Modeling a spline coupling

Spline couplings are becoming increasingly popular in the aerospace industry, but they operate in a slightly misaligned state, causing both vibrations and damage to the contact surfaces. To solve this problem, this article offers analytical approaches for estimating the contact pressures in a spline coupling. Specifically, this article compares analytical approaches with pure numerical approaches to demonstrate the benefits of an analytical approach.
To model a spline coupling, first you create the knowledge base for the spline coupling. The knowledge base includes a large number of possible specification values, which are related to each other. If you modify 1 specification, it may lead to a warning for violating another. To make the design valid, you must create a spline coupling model that meets the specified specification values.
After you have modeled the geometry, you must enter the contact pressures of the 2 spline couplings. Then, you need to determine the position of the pitch circle of the spline. In Figure 2, the centre of the male coupling is superposed to that of the female spline. Then, you need to make sure that the alignment meshing distance of the 2 splines is the same.
Once you have the data you need to create a spline coupling model, you can begin by entering the specifications for the interface design. Once you have this data, you need to choose whether to optimize the internal spline or the external spline. You’ll also need to specify the tooth friction coefficient, which is used to determine the stresses in the spline coupling model 20. You should also enter the pilot clearance, which is the clearance between the tip 186 of a tooth 32 on 1 spline and the feature on the mating spline.
After you have entered the desired specifications for the external spline, you can enter the parameters for the internal spline. For example, you can enter the outer diameter limit 154 of the major snap 54 and the minor snap 56 of the internal spline. The values of these parameters are displayed in color-coded boxes on the Spline Inputs and Configuration GUI screen 80. Once the parameters are entered, you’ll be presented with a geometric representation of the spline coupling model 20.

Creating a spline coupling model 20

The spline coupling model 20 is created by a product model software program 10. The software validates the spline coupling model against a knowledge base of configuration-dependent specification constraints and relationships. This report is then input to the ANSYS stress analyzer program. It lists the spline coupling model 20’s geometric configurations and specification values for each feature. The spline coupling model 20 is automatically recreated every time the configuration or performance specifications of the spline coupling model 20 are modified.
The spline coupling model 20 can be configured using the product model software program 10. A user specifies the axial length of the spline stack, which may be zero, or a fixed length. The user also enters a radial mating face 148, if any, and selects a pilot clearance specification value of 14.5 degrees or 30 degrees.
A user can then use the mouse 110 to modify the spline coupling model 20. The spline coupling knowledge base contains a large number of possible specification values and the spline coupling design rule. If the user tries to change a spline coupling model, the model will show a warning about a violation of another specification. In some cases, the modification may invalidate the design.
In the spline coupling model 20, the user enters additional performance requirement specifications. The user chooses the locations where maximum torque is transferred for the internal and external splines 38 and 40. The maximum torque transfer location is determined by the attachment configuration of the hardware to the shafts. Once this is selected, the user can click “Next” to save the model. A preview of the spline coupling model 20 is displayed.
The model 20 is a representation of a spline coupling. The spline specifications are entered in the order and arrangement as specified on the spline coupling model 20 GUI screen. Once the spline coupling specifications are entered, the product model software program 10 will incorporate them into the spline coupling model 20. This is the last step in spline coupling model creation.
splineshaft

Analysing a spline coupling model 20

An analysis of a spline coupling model consists of inputting its configuration and performance specifications. These specifications may be generated from another computer program. The product model software program 10 then uses its internal knowledge base of configuration dependent specification relationships and constraints to create a valid three-dimensional parametric model 20. This model contains information describing the number and types of spline teeth 32, snaps 34, and shoulder 36.
When you are analysing a spline coupling, the software program 10 will include default values for various specifications. The spline coupling model 20 comprises an internal spline 38 and an external spline 40. Each of the splines includes its own set of parameters, such as its depth, width, length, and radii. The external spline 40 will also contain its own set of parameters, such as its orientation.
Upon selecting these parameters, the software program will perform various analyses on the spline coupling model 20. The software program 10 calculates the nominal and maximal tooth bearing stresses and fatigue life of a spline coupling. It will also determine the difference in torsional windup between an internal and an external spline. The output file from the analysis will be a report file containing model configuration and specification data. The output file may also be used by other computer programs for further analysis.
Once these parameters are set, the user enters the design criteria for the spline coupling model 20. In this step, the user specifies the locations of maximum torque transfer for both the external and internal spline 38. The maximum torque transfer location depends on the configuration of the hardware attached to the shafts. The user may enter up to 4 different performance requirement specifications for each spline.
The results of the analysis show that there are 2 phases of spline coupling. The first phase shows a large increase in stress and vibration. The second phase shows a decline in both stress and vibration levels. The third stage shows a constant meshing force between 300N and 320N. This behavior continues for a longer period of time, until the final stage engages with the surface.
splineshaft

Misalignment of a spline coupling

A study aimed to investigate the position of the resultant contact force in a spline coupling engaging teeth under a steady torque and rotating misalignment. The study used numerical methods based on Finite Element Method (FEM) models. It produced numerical results for nominal conditions and parallel offset misalignment. The study considered 2 levels of misalignment – 0.02 mm and 0.08 mm – with different loading levels.
The results showed that the misalignment between the splines and rotors causes a change in the meshing force of the spline-rotor coupling system. Its dynamics is governed by the meshing force of splines. The meshing force of a misaligned spline coupling is related to the rotor-spline coupling system parameters, the transmitting torque, and the dynamic vibration displacement.
Despite the lack of precise measurements, the misalignment of splines is a common problem. This problem is compounded by the fact that splines usually feature backlash. This backlash is the result of the misaligned spline. The authors analyzed several splines, varying pitch diameters, and length/diameter ratios.
A spline coupling is a two-dimensional mechanical system, which has positive backlash. The spline coupling is comprised of a hub and shaft, and has tip-to-root clearances that are larger than the backlash. A form-clearance is sufficient to prevent tip-to-root fillet contact. The torque on the splines is transmitted via friction.
When a spline coupling is misaligned, a torque-biased thrust force is generated. In such a situation, the force can exceed the torque, causing the component to lose its alignment. The two-way transmission of torque and thrust is modeled analytically in the present study. The analytical approach provides solutions that can be integrated into the design process. So, the next time you are faced with a misaligned spline coupling problem, make sure to use an analytical approach!
In this study, the spline coupling is analyzed under nominal conditions without a parallel offset misalignment. The stiffness values obtained are the percentage difference between the nominal pitch diameter and load application diameter. Moreover, the maximum percentage difference in the measured pitch diameter is 1.60% under a torque of 5000 N*m. The other parameter, the pitch angle, is taken into consideration in the calculation.

China supplier Wheel Hub Bearing for CZPT Explorer 515078     with high qualityChina supplier Wheel Hub Bearing for CZPT Explorer 515078     with high quality