Product Description

Elastic Flexible Hydraulic Parts Engine Coupling For 3wg00001-up 235c 3wg

Basic information:



Used on:Excavator, Air Compressor, Marine Machine

Packing: Plastic Bag, Carton

Coupling Type: Coupling Inserts

Material: Rubber, Iron

Payment Methods: Bank Transfer, Western Union, Money Gram, Credit

Coupling Structure: Helical Coupling

Supply Ability: 3000PCS Per Week

After-sales Service: Online Support

Instructions:Manual Installation

Products show:

Other parts information:

Pos. Part No Qty Parts name Comments
1. 2P-9703 [1] PLATE  
2. 4B-4158 [4] SCREW  
3. 3P-1210 [1] CONE-ROLLER BEARING  
4. 2B-2006 [4] BOLT (1/2-13X4.75IN)  
5. 9M-1974 [8] WASHER  
6. 8J-6899 Y [1] HEAD GP-PUMP CONTROL  
7. 6E-1332 [1] PLATE  
8. 9T-6524 [1] GASKET  
9. 1B-2886 [4] BOLT (1/2-13X3.75IN)  
10. 034-4160 [8] BOLT-SELF LOCKING (5/16-18X1.0)  
11. 3G-5750 [2] BEARING-PLATE  
12. 8J-5718 B [6] SHIM (.127MM THK)  
  8J-5717 B [4] SHIM (.051MM THK)  
13. 3G-4779 [1] PLATE-WEAR  
14. 6F-5282 [2] BOLT (1/2-13X5.25IN)  
15. 5B-5821 [2] PIN-DOWEL  
16. 1K-6985 [1] RING-REXIHU (WEST LAKE) DIS.  
17. 4T-7571 [1] PLATE-RETRACTION  
18. 4T-3122 R [9] PISTON AS  
19. 8J-2043 [1] SPRING  
20. 9J-8667 R [1] BARREL AS  
21. 8J-5717 [2] SPACER-SPRING  
22. 5P-7213 C [10] WASHER-HARD  
23. 4T-9380 [2] INSERT  
24. 6E-2943 [2] PLUG

 About us:

specialized in:

couplings, rubber mounts, gera parts, hydraulic seals and seal kits for hydraulic hammers, rock breakers, hydraulic excavators,wheel loaders, and JCB badkhoe loaders.


And, Our company also supply:

Engine parts, hydraulic piston pump and hydraulic travel motor, Swing motor assembly and hydraulic component parts, electric parts, etc. Hydraulic hammer breaker parts with piston, cylinder, chisel, through bolt, side bolt, top bush, front head bushing,accumlator, valve, etc.

We always try our best for all our customers and make it better and better. Welcome!

Products Show:


  /* March 10, 2571 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

elastic coupling

Compensation for Misalignment in Elastic Couplings

Elastic couplings are designed to accommodate certain degrees of misalignment between connected components in mechanical systems. The elastomeric material used in the coupling plays a crucial role in this compensation process:

When the two components connected by the elastic coupling experience angular, parallel, or axial misalignment, the elastomeric material deforms to a certain extent. This deformation allows the coupling to maintain its connection while absorbing the misalignment-induced stresses and forces.

The elastomer acts as a flexible link between the components, allowing them to move relative to each other within specified limits. The deformation of the elastomer also helps distribute the load more evenly, reducing stress concentrations and the risk of premature wear or damage to the coupling or connected components.

Elastic couplings can compensate for both static and dynamic misalignment, making them suitable for applications where minor misalignment is unavoidable due to factors such as manufacturing tolerances, thermal expansion, or vibration.

It’s important to note that while elastic couplings can accommodate misalignment, excessive misalignment should still be avoided, as it can lead to accelerated wear and reduced coupling lifespan. Regular inspection and maintenance are recommended to ensure that the coupling is operating within its designed limits.

elastic coupling

Backlash in Elastic Couplings

Backlash refers to the amount of play or clearance between mating components in a mechanical system, particularly in elastic couplings. In an elastic coupling, backlash is the angular movement or rotation that occurs when there is a change in direction of the input shaft without an immediate response from the output shaft.

Backlash is a result of the elasticity and flexibility of the coupling’s components, such as the elastomer or other flexible elements. When the input direction changes, the elastic elements need to overcome their deformation before transmitting torque to the output shaft. This delay can lead to a temporary loss of motion and reduced precision in positioning applications.

Backlash can have a negative impact on the accuracy, repeatability, and overall performance of a machinery system. It can result in positioning errors, reduced responsiveness, and even potential damage to the system. Therefore, minimizing backlash is crucial in applications that require high precision and responsiveness.

Engineers can address backlash in elastic couplings by selecting couplings with lower compliance, optimizing the design to minimize the flexibility of the coupling elements, and using additional components like anti-backlash devices or preloaded mechanisms.

elastic coupling

Principles of Torsionally Elastic Couplings

Torsionally elastic couplings, also known as flexible couplings, operate based on the principles of flexibility and torsional elasticity. These couplings are designed to transmit torque while accommodating misalignments, dampening vibrations, and providing protection against shock loads. Here’s how they work:

  • Flexibility: Torsionally elastic couplings are made of materials that can flex or bend to some degree. This flexibility allows them to absorb misalignments between connected shafts, such as angular, parallel, and axial misalignments.
  • Torsional Elasticity: The material properties of the coupling allow it to twist or deform slightly under torque loads. When torque is applied to one end of the coupling, the coupling flexes and twists to transmit torque to the other end while compensating for any misalignments.
  • Vibration Dampening: The torsional elasticity of the coupling helps dampen vibrations that occur due to sudden torque changes or variations in load. This is especially important in applications where smooth operation and reduced vibrations are essential.
  • Shock Load Protection: Torsionally elastic couplings can absorb and mitigate shock loads that might occur during sudden starts, stops, or changes in load. This protection prevents damage to connected equipment and extends the lifespan of machinery.

Overall, torsionally elastic couplings enhance the performance, reliability, and durability of machinery by providing flexibility, dampening vibrations, and protecting against misalignments and shock loads.

China best Elastic Flexible Hydraulic Parts Engine Coupling for 3wg00001-up 235c 3wg  China best Elastic Flexible Hydraulic Parts Engine Coupling for 3wg00001-up 235c 3wg
editor by CX 2024-02-06