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China Standard CNC Aluminum Elastic Rubber Spider Jaw Shaft Coupler GF14*22 20*25 25*30 40*50 Shaft Flexible Coupling Ball Screw Plum Coupling

Product Description

Product Description

Coupling Deatails

Name: High precision plum blossom
coupling Model: LM-Material: Aviation Aluminum Alloy
Working temperature: -40 ° C ~ 100 ° C
Support customization: Factory direct sales support customization.
Features:
1.Intermediate Elastomer Connection-Absorbs vibration, compensates for radial, angular, and axial 2.misalignment
3.Oil resistance and electrical insulation
4.Clockwise and counterclockwise rotation characteristics are identical-there are 3 different hardness 5.elastomer
6.Fixation by clamping screw.

Model parameter

ΦD

L

LF

LP

F

M

Tightening screw torque

(N.M)

GF-14X22

14

22

14.3

6.6

3.8

M 3

0.7

GF-20X25

20

25

16.7

8.6

4

M 3

0.7

GF-20X30

20

30

19.25

8.6

5.3

M 4

1.7

GF-25X30

25

30

20.82

11.6

5.6

M 4

1.7

GF-25X34

25

34

22.82

11.6

5.6

M 4

1.7

GF-30X35

30

35

23

11.5

5.75

M 4

1.7

GF-30X40

30

40

25.6

11.5

10

M 4

1.7

GF-40X50

40

50

32.1

14.5

10

M 5

4

GF-40X55

40

55

34.5

14.5

10

M 5

4

GF-40X66

40

66

40

14.5

12.75

M 5

4

GF-55X49

55

49

32

16.1

13.5

M 6

8.4

GF-55X78

55

78

46.4

16.1

15.5

M 6

8.4

GF-65X80

65

80

48.5

17.3

18.1

M 8

10.5

GF-65X90

65

90

53.5

17.3

18.1

M 8

10.5

 

Product Parameters

Detailed Photos

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rubber coupling

Suitability of Rubber Couplings for High-Speed Rotation and Varying Loads

Rubber couplings are generally well-suited for applications involving high-speed rotation and varying loads, thanks to their unique properties and design features.

High-Speed Rotation: Rubber couplings can effectively handle high-speed rotation due to their inherent flexibility and damping characteristics. The elastomeric material used in rubber couplings helps absorb and dissipate vibrations that can occur at high speeds, contributing to smoother operation and reduced wear on connected machinery components.

Varying Loads: Rubber couplings are capable of accommodating varying loads due to their ability to deform under stress. The flexibility of rubber allows it to absorb shocks and impacts caused by changes in load, preventing damage to connected equipment. This feature is particularly beneficial in applications where sudden changes in load can occur, such as in industrial machinery.

However, it’s important to consider the specific requirements of the application. While rubber couplings provide excellent vibration isolation and misalignment compensation, they may not offer the same level of torsional rigidity as some other coupling types. In cases where precise torque transmission is crucial, and minimal torsional deflection is required, other coupling options might be more suitable.

Overall, rubber couplings can provide reliable performance in applications involving high-speed rotation and varying loads, especially when the benefits of vibration damping and misalignment compensation are essential.

rubber coupling

Industries and Applications of Rubber Couplings

Rubber couplings are widely utilized in various industries and applications where their unique characteristics are beneficial. Some examples include:

  • Automotive: Rubber couplings are commonly used in automotive drivetrains to connect the engine to the transmission and other components. They help absorb engine vibrations and shocks, enhancing passenger comfort.
  • Pumping Systems: Rubber couplings find applications in pumps and fluid handling systems, where they dampen vibrations and reduce wear on connected equipment.
  • Material Handling: Conveyor systems and material handling equipment use rubber couplings to minimize vibrations and shock loads during the movement of materials.
  • Industrial Machinery: Rubber couplings are employed in various types of industrial machinery, such as compressors, generators, and gearboxes, to ensure smooth torque transmission and vibration isolation.
  • Marine: In marine applications, rubber couplings connect propulsion systems and power transmission components, contributing to the overall reliability and performance of vessels.
  • Renewable Energy: Wind turbines and solar tracking systems utilize rubber couplings to absorb dynamic loads and vibrations caused by changing wind conditions.

These examples highlight the versatility and importance of rubber couplings in maintaining efficient and reliable operation across a wide range of industries and applications.

rubber coupling

Transmitting Torque and Damping Vibrations with a Rubber Coupling

A rubber coupling utilizes its flexible rubber element to achieve both torque transmission and vibration damping:

1. Torque Transmission: The rubber element connects two hubs, which are attached to the input and output shafts. As the input shaft rotates, it causes the rubber element to deform due to the applied torque. This deformation creates a shearing action within the rubber material, transmitting torque from the input to the output shaft.

2. Vibration Damping: The flexible rubber element of the coupling acts as a vibration isolator. When the coupling experiences external vibrations or shocks, the rubber absorbs the energy and dampens the vibrations before they reach the output shaft. The rubber’s elasticity and damping properties help mitigate vibrations and reduce the impact on the connected machinery, enhancing overall system performance and longevity.

This combination of torque transmission and vibration damping makes rubber couplings suitable for applications where misalignment compensation, shock absorption, and dampening of vibrations are essential, such as in pumps, compressors, HVAC systems, and various industrial machinery.

China Standard CNC Aluminum Elastic Rubber Spider Jaw Shaft Coupler GF14*22 20*25 25*30 40*50 Shaft Flexible Coupling Ball Screw Plum Coupling  China Standard CNC Aluminum Elastic Rubber Spider Jaw Shaft Coupler GF14*22 20*25 25*30 40*50 Shaft Flexible Coupling Ball Screw Plum Coupling
editor by CX 2024-05-17

China wholesaler Elastic Rubber Coupling for Air Compressor

Product Description

Quick Details
Place of Origin: ZheJiang , China (Mainland)
Brand Name: CHINAMFG
Model Number: ELASTIC rubber coupling G80HE rubber coupling
Application: Construction machines
Engine Model 1: for Hatz 2L/3L/4L41C 2M/3M/4M41
Engine Model 2: for Hatz W35
Engine Model 3: for Hatz 1D81/1D90 Z788/Z789/Z790
Model: ELASTIC rubber coupling G80HE rubber coupling
Machines: Excavators, bulldozers, Wheel loader flange
Description: Engine Drive Coupling
Material: Rubber, PA6
Coupling assy: Element,

HPV102, 8DC8 8DC9, TierII 522192, 60, 1,

385, 396, 415, 416,  455, 485,

VIO75, VIO70, 172187-712, 4DNV98

  /* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

rubber coupling

Minimizing Resonance and Improving Machinery Performance with Rubber Couplings

A rubber coupling can play a significant role in minimizing resonance and enhancing the overall performance of machinery by effectively damping vibrations and reducing the risk of resonance-related issues. Resonance is a phenomenon where a mechanical system’s natural frequency matches the frequency of external vibrations, leading to amplified oscillations and potential damage.

The following ways illustrate how rubber couplings contribute to minimizing resonance and improving machinery performance:

  • Vibration Damping: Rubber couplings utilize the inherent damping properties of elastomers to absorb and dissipate vibrations generated during operation. These vibrations can include those caused by unbalanced loads, eccentricities, or other disturbances. By damping these vibrations, rubber couplings prevent them from building up and causing resonance.
  • Vibration Isolation: Rubber couplings act as isolators by decoupling the connected components from each other. This isolation prevents vibrations from being transmitted directly from one component to another, thereby reducing the potential for resonance to occur.
  • Misalignment Compensation: Rubber couplings can accommodate misalignments between shafts, which often contribute to excessive vibrations. By allowing a certain degree of misalignment, the coupling prevents additional forces that could trigger resonance.
  • Reduced Stiffness: The flexibility of the elastomer elements in rubber couplings can reduce the overall stiffness of the system. A lower stiffness helps avoid the amplification of resonance by allowing some deformation of the coupling under varying loads and conditions.
  • Dynamic Absorption: Rubber couplings are effective at absorbing dynamic loads, including sudden shocks or impacts. These dynamic events can excite resonance, and the coupling’s ability to absorb and disperse such forces helps prevent resonance-related issues.

By effectively dampening vibrations, isolating components, and accommodating misalignments, rubber couplings can help minimize the risk of resonance-related problems. Engineers and designers must carefully select the appropriate rubber coupling type, elastomer material, and design to match the specific machinery and operating conditions, thereby ensuring improved machinery performance and longevity.

rubber coupling

Signs of Wear or Deterioration in Rubber Couplings

Rubber couplings can show signs of wear and deterioration over time due to factors like torque, temperature, and environmental conditions. To identify potential issues, watch out for the following signs:

  • Visible Cracks or Damage: Inspect the rubber element for visible cracks, tears, or physical damage. Such issues can weaken the coupling’s torque transmission and vibration damping capabilities.
  • Reduced Flexibility: Stiff or less flexible rubber indicates material degradation, which can impact the coupling’s ability to accommodate misalignment and absorb vibrations.
  • Increased Vibrations: Excessive machinery vibrations may suggest worn-out rubber couplings. Deterioration of the rubber diminishes its vibration dampening properties.
  • Unusual Noises: Any unusual sounds like squeaking or knocking might point to improper rubber coupling function and the need for inspection.
  • Altered Performance: Decline in machinery performance, such as reduced torque transmission or higher energy consumption, can indicate coupling wear.

Regular inspections, visual checks, vibration analysis, and performance monitoring can help detect wear and deterioration early. This enables timely replacement and avoids operational problems.

rubber coupling

Challenges of Misaligned Rubber Couplings and Their Resolution

Misaligned rubber couplings can lead to several challenges that impact the performance and reliability of machinery. These challenges include:

1. Reduced Efficiency: Misalignment can result in increased friction, causing energy loss and reduced efficiency in power transmission.

2. Increased Wear: Misaligned rubber couplings can cause uneven wear on the coupling’s rubber element and other connected components, leading to premature failure.

3. Vibrations and Noise: Misalignment can cause vibrations and noise, which not only affect the machinery’s operation but also contribute to discomfort for operators.

4. Overloading: Misalignment can lead to uneven loading on the coupling and connected components, potentially causing overloading and damage.

5. Premature Failure: Continuous operation with misaligned couplings can accelerate wear and fatigue, leading to premature failure of the coupling and other components.

To resolve these challenges, proper alignment practices are crucial:

1. Regular Maintenance: Perform routine inspections to identify misalignment and other issues early, allowing for timely adjustments.

2. Precise Installation: Ensure accurate alignment during the installation process to prevent initial misalignment.

3. Laser Alignment: Use laser alignment tools for accurate and reliable alignment between shafts.

4. Corrective Measures: If misalignment is detected, take corrective actions promptly to restore proper alignment.

5. Balancing Loads: Distribute loads evenly across the coupling and connected components to prevent overloading.

By addressing misalignment challenges proactively and adopting appropriate maintenance practices, the longevity and performance of rubber couplings can be significantly improved, minimizing downtime and maintenance costs in industrial applications.

China wholesaler Elastic Rubber Coupling for Air Compressor  China wholesaler Elastic Rubber Coupling for Air Compressor
editor by CX 2024-05-17

China Custom Lt/Zt/FT Pin Coupling PU Rubber Elastic Sleeve

Product Description

Product Description

LT/ZT/FT Pin Coupling PU Rubber Elastic Sleeve
The elastomer insert is equalizing element of coupling. It transmits torque without backlash or vibration. The elastomer insert defines the characteristics of the entire drive system. Backlash is eliminated by the press fit of the elastomer into the hubs. Through variation of the shore hardness of the elastomer insert, the coupling system can be optimized for the ideal torsional characteristics.

LT Pin Coupling Elastic Sleeve (Smooth Bushing)

Part No. Specification Ref. Picture
d D L
LT-8 8 16 10
LT-10 10 19 15
LT-12 12 24 28
LT-14 14 26 28
LT-18 18 35 36
LT-24 24 45 44
LT-30 30 56 56
LT-38 38 71 72
LT-45 45 85 88

ZT Pin Coupling Elastic Sleeve (Four Component Combined Elastic Sleeve)

Part No. d D L Ref. Picture
ZT-8 8 16 10
ZT-10 10 19 15
ZT-14 14 28 27
ZT-18 18 36 35
ZT-24 24 45 44
ZT-30 30 56 55
ZT-38 38 71 72
ZT-45 45 85 88

 

 

FT Pin Coupling Elastic Sleeve Ring (Splited Elastic Ring Gasket)

Part No. d D L Ref. Picture
FT-10 10 20 7
FT-12 12 24 7
FT-14 14 28 7
FT-14 14 29 7
FT-18 18 36 9
FT-18 18 38 9
FT-24 24 45 11
FT-24 24 48 11
FT-28 28 56 15
FT-30 30 56 15
FT-30 30 62 14
FT-38 38 71 18
FT-45 45 91 22
FT-45 45 85 23

LT/ZT/FT Pin Coupling PU Rubber Elastic Sleeve

More Products:

Various types of couplings rubber elastomer models are as follows:

MT rubber coupling (MT1-MT13),

GR rubber coupling (GR10-GR180),

GS rubber coupling (GS7-GS90),

T Hexagon back wheel coupling (hexagonal elasticity pad T70 ~ 210).,

the fluid coupling (YOX),

L-type claw coupling hexagonal coupling (L35-L276),

H-type elastic block (H80-H350),

NM couplings elastomer (NM50 -NM214).

HRC Coupling elastomer (HRC60-HRC280).

Gear Sleeve Rubber Coupling Elastomer cushion (gear 4J-10J).

NL inner tooth gear coupling sleeve (NL1-NL10).

Oldham and non-standard high strength Spider rubber coupling. 

Main Products:

custom couplings Plum pad, HRC couplings, Martin couplings, HRC couplings supply elastomer, HRC couplings elastic block, Gear Sleeve Rubber Coupling Elastomer, block rubber supply couplings, coupling rubber parts, coupling is rubber body, ZheJiang custom rubber gear coupling, screw compressor couplings, rubber supply gear couplings, Atlas coupling, screw compressor coupling, ZheJiang  wholesale production of polyurethane gear, supply H-linking couplings, H-shaped elastic block coupling, H-type coupling rubber elastomer blocks

Please inquire us if you need Rubber Coupling Elastomer and other types couplings inserts.

Different  Types  Of  Hydraulic  Seals
Application Type Material
Rod Seals UN  TPU(PU,Polyurethane) 
UNS  TPU(PU,Polyurethane)
UHS  TPU(PU,Polyurethane)
IDU  TPU(PU,Polyurethane)
U+S  PU+NBR
UPH  NBR & FKM
Step Seal  NBR+PTFE
VES  Rubber+Fabric
IDI  PU
ISI  PU
Piston Seals SPG  NBR+PTFE
SPGW  NBR+PTFE
SPGO  NBR+PTFE
KDAS  NBR+PU+POM
ODI  PU
OSI  PU
ODU  PU
Dust Wiper Seals DH/DHS  PU
LBH  NBR & FKM 
J/JA  PU
DKB  NBR & FKM +Metal
DKBI  PU+Metal
DSI  PU
Wear Ring WR  Phenolic Fabric
Xihu (West Lake) Dis. Tape  PTFE
Xihu (West Lake) Dis. Tape  Phenolic Fabric
Buffer Seal HBY  PU+Nylon
Back-up Ring O-Ring  NBR & FKM
X-Ring  NBR & FKM
PTFE Washer  PTFE

LT/ZT/FT Pin Coupling PU Rubber Elastic Sleeve

Different   Type   Rotary   Shaft   Oil   Seal
Type Material Lip Spring Feature
TC NBR & FKM Double Lips Single Metal Coverd Rubber
TB NBR Double Lips Single Metal Case
TA NBR Double Lips Single Metal Case
SC NBR & FKM Single Single Double Metal Shell
SB NBR Single Single Metal Case
SA NBR Single Single Double Metal Shell
DC NBR Double Lips Double Double Springs
VC NBR & FKM Single Without Metal Coverd Rubber
VB NBR Single Without Metal Case
TCV NBR Double Lips Single High Pressure
TCN NBR Double Lips Single High Pressure
PTFE PTFE Single & Double Lips Without Stainless steel
HTCL NBR & FKM Double Lips Single Inside thread L
HTCR NBR & FKM Double Lips Single Inside thread R
……………………………………………………………………………………………
More types please contact us. 
Customization is welcome.

Related Products

LT/ZT/FT Pin Coupling PU Rubber Elastic Sleeve
Oil seals serve to prevent the leakage not only of lubricants, but also water, chemicals, and gas from “gaps” in machinery. Oil seals also serve to prevent the intrusion of dust, soil and sand from the outside air.

Company Profile

HangZhou CHINAMFG Sealing Sci-Tech Co., Ltd. is a scientific and technological production enterprise integrating R&D, production and sales. Our production plant covers an area of about 2,000 square CHINAMFG and has 150 employees.

QMS (Quality Management System):
ISO9001, ISO/TS16949

Our Products: 
O Ring, Oil Seal, Hydraulic & Pneumatic Seal, Custom CHINAMFG Parts

Production Standard: 
ASTMD2000

Product Application Scope:
Engineering machinery, hydraulic pneumatic, petroleum and natural gas, automobile seals, valves and pipelines, electronic home appliances, food grade, electric power, chemical industry, coal mine, metallurgy, engineering shield machine and other industries, supporting domestic automobile and machinery manufacturers.

We had sell to:  
More than 40 countries including the United States, Germany, Japan, Britain, Italy, Spain, Russia, Canada, Australia, Malaysia, Philippines, Indonesia, Mexico, Brazil, Peru, Chile, Argentina, Israel, Saudi Arabia, Lebanon, Ukraine, Pakistan, Thailand, Vietnam, etc. 

Packaging & Shipping

LT/ZT/FT Pin Coupling PU Rubber Elastic Sleeve
Ship by express, by air, by sea at buyer’s option.
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FAQ

Q 1. What’s the payment term?
A: We accept T/T 50% deposit and 50% balance against copy of B/L or L/C at sight, West Union,VISA,Paypal is also accepted. rubber oil seal tc oil seal rubber seal manufacturer oil seal tc nbr oil seal tc oil seal fkm oil seal china manufacturer oil seal tc oil seal nbr tc oil seal fkm tc oil seal manufacturer
Q 2. What is the normal lead time for product orders?
A: Generally it is 1-2 days if the goods are in stock. or it is 5-10 days if the goods are not in stock, it is according to quantity.tc oil seal tc oil seal nbr tc oil seal nbr rubber oil seal fkm oil seal fkm rubber oil seal manufacture china oil seal

 tc oil seal tc oil seal nbr tc oil seal nbr rubber oil seal fkm oil seal fkm rubber oil seal manufacture china oil seal manufacture

 Q 3. What is your standard packing?
A: All the goods will be packed by carton box and loaded with pallets. Special packing method can be accepted when needed.rubber oil seal tc oil seal rubber seal manufacturer oil seal tc nbr oil seal tc oil seal fkm oil seal china manufacturer oil seal tc oil seal nbr tc oil seal fkm tc oil seal manufacturer

Q 4. Could you please tell us the month capacity of your products ?
A: It depends on which model, we produce more than 2500 tons rubber materials per month.

tc oil seal tc oil seal nbr tc oil seal nbr rubber oil seal fkm oil seal fkm rubber oil seal manufacture china oil seal manufacture
Q 5. what kind of certificates you have ?
A1: We have been ISO9001:2008 and ISO14001:2004 certified by SGS since 2015.
A2: We have various rubber compounds approved by ROHS and REACH.

tc oil seal tc oil seal nbr tc oil seal nbr rubber oil seal fkm oil seal fkm rubber oil seal manufacture china oil seal manufacture
Q6: How to check the quality of the bulk order?
A1: We provide preproduction samples before mass production for all customers if needed.
A2: We accept third party inspection such as TUV, INTERTEK, BV, etc.

tc oil seal tc oil seal nbr tc oil seal nbr rubber oil seal fkm oil seal fkm rubber oil seal manufacture china oil seal manufacture
Q 7: Do you use any international standards for the rubber products?
A: Yes, we mainly use ASTM D2000 standard to define the quality of the rubber materials, tolerances as per ISO3302, ISO2768, etc.rubber oil seal tc oil seal rubber seal manufacturer oil seal tc nbr oil seal tc oil seal fkm oil seal china manufacturer oil seal tc oil seal nbr tc oil seal fkm tc oil seal manufacturer

Q8: What materials are available to produce from your side?
A: NBR, EPDM, SILICONE, FPM(FKM), NEOPRENE(CR), NR, IIR, SBR, ACM, AEM, Fluorosilicone(FVMQ), FFKM, Liquid Silicone, Sponge, etc. tc oi
l seal tc oil seal nbr tc oil seal nbr rubber oil seal fkm oil seal fkm rubber oil seal manufacture china oil seal manufacture

Q9: Do you provide maintenance on tooling?
A: We maintain all tooling and will replace as needed.tc oil seal tc oil seal nbr tc oil seal nbr rubber oil seal fkm oil seal fkm rubber oil seal manufacture china oil seal manufacture

Q10: How many empolyees you have?
A:We have 150 empolyees at time of December 2571. tc oil seal tc oil seal nbr tc oil seal nbr rubber oil seal fkm oil seal fkm rubber oil seal manufacture china oil seal manufacture

If you have any other question, please don’t hesitate to contact us:

LT/ZT/FT Pin Coupling PU Rubber Elastic Sleeve /* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

rubber coupling

Maintaining and Preserving Rubber Coupling Performance

To ensure the longevity and optimal performance of rubber couplings, the following best practices should be observed:

  • Regular Inspections: Perform visual inspections for signs of wear, cracks, or damage.
  • Lubrication: Apply appropriate lubricants to minimize friction and extend rubber life.
  • Alignment: Maintain proper alignment between connected shafts to prevent undue stress on the coupling.
  • Temperature Control: Monitor operating temperatures to prevent overheating that can accelerate rubber degradation.
  • Load Monitoring: Avoid overloading the coupling beyond its rated capacity.
  • Vibration Analysis: Monitor vibration levels and address excessive vibrations promptly.
  • Regular Maintenance: Follow manufacturer’s recommendations for maintenance schedules.
  • Replacement: Replace worn or damaged rubber elements as needed.

By adhering to these practices, the performance and service life of rubber couplings can be effectively preserved.

rubber coupling

Comparison of Rubber Couplings with Other Flexible Coupling Types

Rubber couplings, elastomeric couplings, and disc couplings are all flexible coupling options used in various mechanical systems. Here’s a comparison of rubber couplings with these alternatives:

Rubber Couplings:

  • Transmit torque while damping vibrations through the flexibility of rubber elements.
  • Provide good misalignment compensation and shock absorption.
  • Relatively simple construction and cost-effective.
  • Effective in reducing noise and vibration in applications.
  • Suitable for moderate to high torque applications with moderate misalignment.

Elastomeric Couplings:

  • Similar to rubber couplings, utilize elastomeric materials for flexibility and vibration damping.
  • Offer higher torque capacity and stiffness compared to rubber couplings.
  • Provide better misalignment compensation and torsional stiffness.
  • Wider range of sizes and configurations for various applications.
  • Commonly used in pumps, compressors, and other machinery.

Disc Couplings:

  • Use a series of metal discs to transmit torque and accommodate misalignment.
  • Offer high torsional stiffness and accuracy in torque transmission.
  • Can handle higher speeds and torque compared to rubber or elastomeric couplings.
  • Require precision in manufacturing and installation.
  • Used in applications requiring high precision and minimal backlash.

When choosing between these flexible coupling types, considerations such as torque requirements, misalignment compensation, torsional stiffness, and application-specific needs play a significant role in making the appropriate selection. Each type has its advantages and limitations, making it important to assess the specific requirements of the machinery system.

rubber coupling

Utilization of Rubber Couplings in Mechanical Systems

A rubber coupling is a type of flexible coupling that utilizes rubber elements to connect two shafts while allowing a certain degree of misalignment and vibration damping. It is commonly used in mechanical systems to transmit torque, accommodate misalignment, and reduce shock and vibration. Here’s how rubber couplings are utilized:

  • Torque Transmission: Rubber couplings transmit torque from one shaft to another, enabling the transfer of power between components while allowing for slight angular, parallel, and axial misalignments.
  • Misalignment Compensation: These couplings can accommodate both angular and axial misalignments, which can occur due to manufacturing tolerances, thermal expansion, or other factors. The flexibility of the rubber element helps prevent excessive loads on connected equipment.
  • Vibration Damping: The elastic properties of rubber help dampen vibrations and shocks generated during the operation of rotating machinery. This prevents the transmission of harmful vibrations to other parts of the system and reduces wear and fatigue.
  • Noise Reduction: Rubber couplings help reduce noise by absorbing vibrations and minimizing the transmission of sound waves through the system.
  • Equipment Protection: By absorbing shocks and vibrations, rubber couplings protect sensitive equipment and components from damage, thereby extending their lifespan.
  • Simple Installation: Rubber couplings are relatively easy to install and require minimal maintenance, making them a convenient choice for various applications.
  • Wide Range of Applications: Rubber couplings find applications in various industries, including automotive, industrial machinery, pumps, compressors, and more.

In summary, rubber couplings are utilized in mechanical systems to transmit torque, accommodate misalignment, reduce vibration and shock, protect equipment, and enhance the overall performance and reliability of rotating machinery.

China Custom Lt/Zt/FT Pin Coupling PU Rubber Elastic Sleeve  China Custom Lt/Zt/FT Pin Coupling PU Rubber Elastic Sleeve
editor by CX 2024-05-16

China high quality Mh Rubber Spider Flexible Coupling

Product Description

Product Description

COUPLINGS

HRC FCL Chain coupling GE L NM MH Torque limiter
HRC 70B FCL90 KC4012 GE14 L050 NM50 MH45 TL250-2
HRC 70F FCL100 KC4014 GE19 L070 NM67 MH55 TL250-1
HRC 70H FCL112 KC4016 GE24 L075 NM82 MH65 TL350-2
HRC 90B FCL125 KC5014 GE28 L090 NM97 MH80 TL350-1
HRC 90F FCL140 KC5016 GE38 L095 NM112 MH90 TL500-2
HRC 90H FCL160 KC6018 GE42 L099 NM128 MH115 TL500-1
HRC 110B FCL180 KC6571 GE48 L100 NM148 MH130 TL700-2
HRC 110F FCL200 KC6571 GE55 L110 NM168 MH145 TL700-1
HRC 110H FCL224 KC8018 GE65 L150 NM194 MH175  
HRC 130B FCL250 KC8571 GE75 L190 NM214 MH200  
HRC 130F FCL280 KC8571 GE90 L225      
HRC 130H FCL315 KC1571          
HRC 150B FCL355 KC12018          
HRC 150F FCL400 KC12571          
HRC 150H FCL450            
HRC 180B FCL560            
HRC 180F FCL630            
HRC 180H              
HRC 230B              
HRC 230F              
HRC 230H              
HRC 280B              
HRC 280F              
HRC 280H              

 

Catalogue

 

 

FAQ

Q1: Are you trading company or manufacturer ?
A: We are factory.
 

Q2: How long is your delivery time and shipment?
1.Sample Lead-times: 10-20 days.
2.Production Lead-times: 30-45 days after order confirmed.

Q3: What is your advantages?
1. The most competitive price and good quality.
2. Perfect technical engineers give you the best support.
3. OEM is available.

 

 

  /* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

rubber coupling

Suitability of Rubber Couplings for High-Speed Rotation and Varying Loads

Rubber couplings are generally well-suited for applications involving high-speed rotation and varying loads, thanks to their unique properties and design features.

High-Speed Rotation: Rubber couplings can effectively handle high-speed rotation due to their inherent flexibility and damping characteristics. The elastomeric material used in rubber couplings helps absorb and dissipate vibrations that can occur at high speeds, contributing to smoother operation and reduced wear on connected machinery components.

Varying Loads: Rubber couplings are capable of accommodating varying loads due to their ability to deform under stress. The flexibility of rubber allows it to absorb shocks and impacts caused by changes in load, preventing damage to connected equipment. This feature is particularly beneficial in applications where sudden changes in load can occur, such as in industrial machinery.

However, it’s important to consider the specific requirements of the application. While rubber couplings provide excellent vibration isolation and misalignment compensation, they may not offer the same level of torsional rigidity as some other coupling types. In cases where precise torque transmission is crucial, and minimal torsional deflection is required, other coupling options might be more suitable.

Overall, rubber couplings can provide reliable performance in applications involving high-speed rotation and varying loads, especially when the benefits of vibration damping and misalignment compensation are essential.

rubber coupling

Signs of Wear or Deterioration in Rubber Couplings

Rubber couplings can show signs of wear and deterioration over time due to factors like torque, temperature, and environmental conditions. To identify potential issues, watch out for the following signs:

  • Visible Cracks or Damage: Inspect the rubber element for visible cracks, tears, or physical damage. Such issues can weaken the coupling’s torque transmission and vibration damping capabilities.
  • Reduced Flexibility: Stiff or less flexible rubber indicates material degradation, which can impact the coupling’s ability to accommodate misalignment and absorb vibrations.
  • Increased Vibrations: Excessive machinery vibrations may suggest worn-out rubber couplings. Deterioration of the rubber diminishes its vibration dampening properties.
  • Unusual Noises: Any unusual sounds like squeaking or knocking might point to improper rubber coupling function and the need for inspection.
  • Altered Performance: Decline in machinery performance, such as reduced torque transmission or higher energy consumption, can indicate coupling wear.

Regular inspections, visual checks, vibration analysis, and performance monitoring can help detect wear and deterioration early. This enables timely replacement and avoids operational problems.

rubber coupling

Types of Rubber Couplings Designed for Specific Uses

There are several types of rubber couplings, each designed with specific characteristics to suit various applications:

  • Flexible Jaw Couplings: These couplings consist of two hubs connected by a flexible rubber element. They are commonly used in applications where misalignment, vibrations, and shocks need to be dampened, such as in pumps, fans, and compressors.
  • Oldham Couplings: Oldham couplings use a rubber disk as the intermediate element between two hubs. They provide compensation for misalignment while maintaining a constant velocity between input and output shafts, often used in printing, packaging, and CNC machinery.
  • Tyre Couplings: These couplings have a high degree of torsional flexibility and are suitable for applications with substantial misalignment and shock absorption requirements, like in heavy-duty machinery and construction equipment.
  • Pin and Bush Couplings: These couplings use rubber bushes to provide vibration isolation and accommodate misalignment. They are used in various industrial applications, including conveyors, mixers, and crushers.
  • Diaphragm Couplings: Diaphragm couplings use a flexible rubber diaphragm to transmit torque and compensate for misalignment. They are commonly found in precision equipment like servo motors and robotics.

Each type of rubber coupling is designed to address specific needs in different applications. The choice of coupling depends on factors such as the degree of misalignment, torque requirements, shock absorption, and the level of precision needed.

China high quality Mh Rubber Spider Flexible Coupling  China high quality Mh Rubber Spider Flexible Coupling
editor by CX 2024-05-16

China Good quality High Quality DIN Standard Water Supply 1.0MPa Plastic Pipe Coupling Socket Rubber Ring UPVC Pipe Fitting Reducing Coupling UPVC Pressure Pipe Coupling

Product Description

High Quality

DIN Standard
Water Supply
1.0MPa
Plastic Pipe Coupling Socket Rubber Ring
UPVC Pipe Fitting Reducing Coupling
UPVC Pressure Pipe Coupling

High Quality

DIN Standard Water Supply
PN10
Plastic Pipe Coupling Rubber Ring
UPVC Pipe Fitting Reducing Coupling
UPVC Pressure Pipe Coupling 

PVC Pipe Fitting Rubber Ring Joint for Water Supply DIN Standard PN10  
Dia. 63mm to Dia. 400mm

Features
Water Supply
Material : PVC-U
Standard : DIN Standard
Connection : Rubber Ring Joint
SIZE : 63 mm ~ 400 mm
Working Pressure : 1.0 MPa ( PN10 )
Color : Grey

We can supply
Large Diameter PVC Pipe Fitting
DIN Standard PN10 Series for Water Supply

 
PVC Pipe Fitting for Water Supply with Rubber Ring Joint
DIN Standard PN10

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rubber coupling

Maintaining and Preserving Rubber Coupling Performance

To ensure the longevity and optimal performance of rubber couplings, the following best practices should be observed:

  • Regular Inspections: Perform visual inspections for signs of wear, cracks, or damage.
  • Lubrication: Apply appropriate lubricants to minimize friction and extend rubber life.
  • Alignment: Maintain proper alignment between connected shafts to prevent undue stress on the coupling.
  • Temperature Control: Monitor operating temperatures to prevent overheating that can accelerate rubber degradation.
  • Load Monitoring: Avoid overloading the coupling beyond its rated capacity.
  • Vibration Analysis: Monitor vibration levels and address excessive vibrations promptly.
  • Regular Maintenance: Follow manufacturer’s recommendations for maintenance schedules.
  • Replacement: Replace worn or damaged rubber elements as needed.

By adhering to these practices, the performance and service life of rubber couplings can be effectively preserved.

rubber coupling

Comparison of Rubber Couplings with Other Flexible Coupling Types

Rubber couplings, elastomeric couplings, and disc couplings are all flexible coupling options used in various mechanical systems. Here’s a comparison of rubber couplings with these alternatives:

Rubber Couplings:

  • Transmit torque while damping vibrations through the flexibility of rubber elements.
  • Provide good misalignment compensation and shock absorption.
  • Relatively simple construction and cost-effective.
  • Effective in reducing noise and vibration in applications.
  • Suitable for moderate to high torque applications with moderate misalignment.

Elastomeric Couplings:

  • Similar to rubber couplings, utilize elastomeric materials for flexibility and vibration damping.
  • Offer higher torque capacity and stiffness compared to rubber couplings.
  • Provide better misalignment compensation and torsional stiffness.
  • Wider range of sizes and configurations for various applications.
  • Commonly used in pumps, compressors, and other machinery.

Disc Couplings:

  • Use a series of metal discs to transmit torque and accommodate misalignment.
  • Offer high torsional stiffness and accuracy in torque transmission.
  • Can handle higher speeds and torque compared to rubber or elastomeric couplings.
  • Require precision in manufacturing and installation.
  • Used in applications requiring high precision and minimal backlash.

When choosing between these flexible coupling types, considerations such as torque requirements, misalignment compensation, torsional stiffness, and application-specific needs play a significant role in making the appropriate selection. Each type has its advantages and limitations, making it important to assess the specific requirements of the machinery system.

rubber coupling

Factors to Consider When Selecting a Rubber Coupling

Choosing the right rubber coupling for a specific application involves considering various factors:

1. Torque Requirements: Evaluate the torque that needs to be transmitted between the input and output shafts. Select a coupling with a rubber element that can handle the required torque without exceeding its limits.

2. Misalignment Compensation: Determine the degree of misalignment (angular, axial, and radial) present in the system. Choose a rubber coupling with appropriate flexibility to accommodate the expected misalignment while maintaining efficient torque transmission.

3. Vibration Damping: Assess the level of vibrations and shocks in the application. Opt for a rubber coupling with effective vibration-damping properties to protect the machinery and enhance its reliability.

4. Service Environment: Consider the operating conditions, including temperature, humidity, exposure to chemicals, and potential contaminants. Select a rubber material that can withstand the environment without deteriorating.

5. Shaft Sizes: Ensure that the coupling’s bore sizes match the shaft diameters of the connected equipment. Proper shaft fitment is crucial for efficient torque transmission.

6. Maintenance Requirements: Evaluate the maintenance practices of the system. Some rubber couplings may require periodic inspection and replacement due to wear over time.

7. Cost and Budget: Factor in the budget constraints while choosing a suitable rubber coupling. Balancing performance and cost is essential for an optimal solution.

8. Application Type: Different industries and applications have unique requirements. Choose a coupling type (spider, jaw, tire, etc.) based on the specific needs of the application.

By carefully considering these factors, you can select a rubber coupling that provides efficient torque transmission, vibration isolation, and durability in your mechanical system.

China Good quality High Quality DIN Standard Water Supply 1.0MPa Plastic Pipe Coupling Socket Rubber Ring UPVC Pipe Fitting Reducing Coupling UPVC Pressure Pipe Coupling  China Good quality High Quality DIN Standard Water Supply 1.0MPa Plastic Pipe Coupling Socket Rubber Ring UPVC Pipe Fitting Reducing Coupling UPVC Pressure Pipe Coupling
editor by CX 2024-05-16

China Custom Chinese Supplier High Quality Steel Blackening Ge/Gr Couplings Ge19 Ge24 Ge28 Ge38 Ge42 Ge48 Ge55 Ge65 Ge75 Ge90 Flexible Shaft Coupling with Rubber Element

Product Description

Product Description

Chinese Supplier High Quality Steel Blackening GE/GR Couplings GE19 GE24 GE28 GE38 GE42 GE48 GE55 GE65 GE75 GE90 Flexible Shaft Coupling with Rubber Element

Stainless Steel GE CHINAMFG Flexible Jaw Coupling

Features:

1.The effective start of the decrease in the impact, vibration, thereby protecting motor.

2.Effective overload protection, to protect the motor and machine work. Reduce mechanical damage.

3.In multi-drive system, effectively balance the electrical load.

4.The start-up can improve the electrical capacity to shorten the motor start-up time, reduce the impact grid.

 Use:

Mainly used in the mining, metallurgical, cement, chemicals, construction, building materials, electric power, telecommunications, textiles, and transportation departments.

Such as: 

Conveyor: Belt conveyor.AFC conveyor.Chain conveyor.Screw conveyor.

Pump: Water pump, oil pump, slush pump,etc

Fan: Draft fan,,fanner, boiler fan,etc

Excavator: Bucket excavator. Bucket wheel excavators.Bucket wheel stacker reclaimer.

Crane: Tower crane.Gantry crane.Bridge crane.

Others: Various elevators.Coal plough.Ball mill.Crusher.Recreation machine.

Blender equipment.Centrifuger.Washer.Leather-making machine.machine for

recreation park mixer wire drawing machine.Extruder,dregs crusher of boiler.

Plastic feeder.Rubber smelling machine.etc.

MAIN PRODUCTS:  

1) Timing Belt Pulley (Synchronous Pulley), Timing Bar, Clamping Plate; 

2) Forging, Casting, Stampling Part; 

3) V Belt Pulley and Taper Lock Bush; Sprocket, Idler and Plate Wheel;Spur Gear, Bevel Gear, Rack;  

4) Shaft Locking Device: could be alternative for Ringfeder, Sati, Chiaravalli, Tollok, etc.; 

5) Shaft Coupling:including Miniature couplings, Curved tooth coupling, Chain coupling, HRC coupling, Normex coupling, Type coupling, GE Coupling, torque limiter, Universal Joint;  

6) Shaft Collars: including Setscrew Type, Single Split and Double Splits; 

7) Timing Belt: including Rubber and PU timing belts for industrial; 

8) Other customized Machining Parts according to drawings (OEM).

Detailed Photos

Product Parameters

Product Name

GE / GR 28 Flexible Shaft Coupling 

Material

Steel ( stainless steel , alumimun also available ) 

Elastomer Material 

Rubber (TPU)

Structure 

2 shaft ( 1 / 1a / 1b )+ flexible spider

Bore size 

0~40mm

Weight 

About 3.3kg / pcs

Packing 

plastic bag +paper box +wooden box +wooden pallet

Certifications

Packaging & Shipping

All the products can be packed in cartons,or,you can choose the pallet packing.

 MADE IN CHINA can be pressed on wooden cases.Land,air,sea transportation are available.UPS,DHL,TNT,

FedEx and EMS are all supported.

Company Profile

Company Information
ZheJiang Mighty Machinery Co., Ltd. specializes in manufacturing Mechanical Power Transmission Products.
We Mighty is the division/branch of SCMC Group, which is a wholly state-owned company, established in 1980.
About Mighty:
-3 manufacturing factories, we have 5 technical staff, our FTY have strong capacity for design and process design, and more than 70 workers and double shift eveyday.
-Large quality of various material purchase and stock in warhouse which ensure the low cost for the material and production in time.
-Strick quality control are apply in the whole prodution. we have incoming inspection,process inspection and final production inspection which can ensure the perfect of the goods quality.
-14 years of machining experience. Long time cooperate with the Global Buyer, make us easy to understand the csutomer and handle the export. MIGHTY’s products are mainly exported to Europe, America and the Middle East market. With the top-ranking management, professional technical support and abundant export experience, MIGHTY has established lasting and stable business partnership with many world famous companies and has got good reputation from CHINAMFG customers in international sales.

Our Advantages

1,More competitive prices,
2,Shorter delivery date: 35 days.

3,We are the professional manufacturer in the field of Power Trans. Parts,specially for Timing Pulleys.

4,Produce standard and non-standard.
5,Strict QC Management:ISO9001:2008,our engineer,Mr.Wang has specialized in the prodcution for over 20 years. 

FAQ

Q: How long can I get reply after send inquiry?

A: All inquiries will be replied within 12 hours, also you may call us at any time.
 
Q: How soon can I get sample ?

A: Generally standard sample can be send out within 7days, and for the customize parts, it will depond on the detail requirment.
 
Q:What information should I give to you for inquiry?

A:Pls send the detail of the specification and QTY, also specail demands etc, and it’s better you can send us the detail drawings or catalogue.

Q: If I don’t have drawing or catalogue, how can I get sample ?

A:If you don’t have the drawing or catalogue, you can send us your sample, so we can make the drawing and sample accordingly.

Q:What is the Warranty for your products?

A:Normally our warranty is 1 year.

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rubber coupling

Diagnosing and Troubleshooting Rubber Coupling Issues

Diagnosing and troubleshooting problems with rubber couplings in machinery systems involves a systematic approach:

  1. Visual Inspection: Check for signs of wear, cracking, or deformation in the rubber elements.
  2. Vibration Analysis: Monitor vibration levels using sensors to identify excessive vibrations or irregular patterns.
  3. Noise Assessment: Listen for unusual noises during operation, which could indicate misalignment or worn components.
  4. Temperature Check: Monitor the operating temperature of the coupling, as overheating might indicate issues.
  5. Alignment Check: Ensure proper alignment between connected shafts to prevent excessive stress on the coupling.
  6. Torque Measurement: Measure the transmitted torque to identify any discrepancies from the expected values.
  7. Dynamic Testing: Conduct dynamic tests with load variations to identify performance issues.
  8. Comparative Analysis: Compare coupling behavior to baseline performance data.

If any issues are identified, they should be promptly addressed through proper maintenance, realignment, or replacement of damaged components.

rubber coupling

Industries and Applications of Rubber Couplings

Rubber couplings are widely utilized in various industries and applications where their unique characteristics are beneficial. Some examples include:

  • Automotive: Rubber couplings are commonly used in automotive drivetrains to connect the engine to the transmission and other components. They help absorb engine vibrations and shocks, enhancing passenger comfort.
  • Pumping Systems: Rubber couplings find applications in pumps and fluid handling systems, where they dampen vibrations and reduce wear on connected equipment.
  • Material Handling: Conveyor systems and material handling equipment use rubber couplings to minimize vibrations and shock loads during the movement of materials.
  • Industrial Machinery: Rubber couplings are employed in various types of industrial machinery, such as compressors, generators, and gearboxes, to ensure smooth torque transmission and vibration isolation.
  • Marine: In marine applications, rubber couplings connect propulsion systems and power transmission components, contributing to the overall reliability and performance of vessels.
  • Renewable Energy: Wind turbines and solar tracking systems utilize rubber couplings to absorb dynamic loads and vibrations caused by changing wind conditions.

These examples highlight the versatility and importance of rubber couplings in maintaining efficient and reliable operation across a wide range of industries and applications.

rubber coupling

Transmitting Torque and Damping Vibrations with a Rubber Coupling

A rubber coupling utilizes its flexible rubber element to achieve both torque transmission and vibration damping:

1. Torque Transmission: The rubber element connects two hubs, which are attached to the input and output shafts. As the input shaft rotates, it causes the rubber element to deform due to the applied torque. This deformation creates a shearing action within the rubber material, transmitting torque from the input to the output shaft.

2. Vibration Damping: The flexible rubber element of the coupling acts as a vibration isolator. When the coupling experiences external vibrations or shocks, the rubber absorbs the energy and dampens the vibrations before they reach the output shaft. The rubber’s elasticity and damping properties help mitigate vibrations and reduce the impact on the connected machinery, enhancing overall system performance and longevity.

This combination of torque transmission and vibration damping makes rubber couplings suitable for applications where misalignment compensation, shock absorption, and dampening of vibrations are essential, such as in pumps, compressors, HVAC systems, and various industrial machinery.

China Custom Chinese Supplier High Quality Steel Blackening Ge/Gr Couplings Ge19 Ge24 Ge28 Ge38 Ge42 Ge48 Ge55 Ge65 Ge75 Ge90 Flexible Shaft Coupling with Rubber Element  China Custom Chinese Supplier High Quality Steel Blackening Ge/Gr Couplings Ge19 Ge24 Ge28 Ge38 Ge42 Ge48 Ge55 Ge65 Ge75 Ge90 Flexible Shaft Coupling with Rubber Element
editor by CX 2024-05-16

China Professional Rubber Flexible PVC Coupling with SS304 Stainless Steel Clamps

Product Description

PRODUCT DETAILS                                                      

custom CHINAMFG rubber pipe flexible coupling

 

PRODUCT INFORMATION                                            
 

Name  Rubber flexible coupling
Material Type NBR,EPDM,HNBR,SILICONE,NR,etc.
Hardness Shore A30-90 
Color Any color
Certificates ROHS, REACH,SGS,WRAS,FDA
Packing Carton and Pallet,  as per request
Lead time 10days for tooling and sample, 20-30days for MOQ

WHY CHOOSE US                                                         

     · ISO9001:2008 authorized, Certifications of ROHS, SGS, WRAS, FDA21 are available.
     · 20 years production and 10years export experience
     · Independent R&D center of rubber formulation, independent product and tooling design center
     · With over 1000 ton machine, biggest 1000kg product can be produced
     · Reasonable and competitive price
     · Thousands of tooling available, especially standard sizes. For large quantity of customized product, the mold fee is free

COMPANY INFORMATION                                           
HangZhou CHINAMFG CoLtd. Is a leading designer and manufacturer of seals and rubber products with over 20 years experience;We are serving the needs of countless industries from bearina and automobile to valve and machine.The products are exporting to many countries and well received.There are more than thousands of clients keeping in touch with us.

In auality,all the products are ROHS approved NSF61 and FDa21 compliant products are available.We are supplying the NSF61 and FDA21 compliant products to valve and food industry for many years;WRAS Certification for water industry.

Our CHINAMFG with WRAS Certification can be usedin drinking water industry.In experience with over 20 years experience in the design and production of seals; We are the vendor of CHINAMFG bearing-the biggest bearina manufacturer in China.We are exportina the rubber products to many countries and wel received.The countries include UAS,England,India,Malaysia,Australiaand so on.

In feature, with a lot of experience in large-size seals and rubber products.And especially the products in rubber-metal are competitive.The formulation of partial products is independent research and devel opment by ourselves.

FACTORY SHOW                                                          

EQUIPMENTS                                                               


CERTIFICATIONS                                                        


ADVANTAGES                                                              


CONTACT US                                                                

RELATED PRODUCTS                                                   

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rubber coupling

Maintaining and Preserving Rubber Coupling Performance

To ensure the longevity and optimal performance of rubber couplings, the following best practices should be observed:

  • Regular Inspections: Perform visual inspections for signs of wear, cracks, or damage.
  • Lubrication: Apply appropriate lubricants to minimize friction and extend rubber life.
  • Alignment: Maintain proper alignment between connected shafts to prevent undue stress on the coupling.
  • Temperature Control: Monitor operating temperatures to prevent overheating that can accelerate rubber degradation.
  • Load Monitoring: Avoid overloading the coupling beyond its rated capacity.
  • Vibration Analysis: Monitor vibration levels and address excessive vibrations promptly.
  • Regular Maintenance: Follow manufacturer’s recommendations for maintenance schedules.
  • Replacement: Replace worn or damaged rubber elements as needed.

By adhering to these practices, the performance and service life of rubber couplings can be effectively preserved.

rubber coupling

Industry Standards and Guidelines for Rubber Couplings

There are no specific industry standards or guidelines that exclusively govern the design and application of rubber couplings. However, various general standards and engineering practices apply to flexible couplings, including rubber couplings:

  • ISO 14691: This standard provides guidelines for the installation, use, and maintenance of industrial flexible couplings, which include rubber couplings.
  • AGMA 9005: The American Gear Manufacturers Association (AGMA) standard provides information on selecting lubricants and lubrication methods for flexible couplings, ensuring proper performance and longevity.
  • API 671: This API standard specifies the requirements for special-purpose couplings used in petroleum, chemical, and gas industry services, which can include rubber couplings for specific applications.
  • Manufacturer Recommendations: Many rubber coupling manufacturers provide guidelines, specifications, and installation instructions for their products, helping users select the right coupling and use it correctly.

Since rubber couplings fall under the category of flexible couplings, engineers and designers can follow these broader standards and best practices while considering the specific characteristics and performance requirements of rubber couplings for their applications.

rubber coupling

Factors to Consider When Selecting a Rubber Coupling

Choosing the right rubber coupling for a specific application involves considering various factors:

1. Torque Requirements: Evaluate the torque that needs to be transmitted between the input and output shafts. Select a coupling with a rubber element that can handle the required torque without exceeding its limits.

2. Misalignment Compensation: Determine the degree of misalignment (angular, axial, and radial) present in the system. Choose a rubber coupling with appropriate flexibility to accommodate the expected misalignment while maintaining efficient torque transmission.

3. Vibration Damping: Assess the level of vibrations and shocks in the application. Opt for a rubber coupling with effective vibration-damping properties to protect the machinery and enhance its reliability.

4. Service Environment: Consider the operating conditions, including temperature, humidity, exposure to chemicals, and potential contaminants. Select a rubber material that can withstand the environment without deteriorating.

5. Shaft Sizes: Ensure that the coupling’s bore sizes match the shaft diameters of the connected equipment. Proper shaft fitment is crucial for efficient torque transmission.

6. Maintenance Requirements: Evaluate the maintenance practices of the system. Some rubber couplings may require periodic inspection and replacement due to wear over time.

7. Cost and Budget: Factor in the budget constraints while choosing a suitable rubber coupling. Balancing performance and cost is essential for an optimal solution.

8. Application Type: Different industries and applications have unique requirements. Choose a coupling type (spider, jaw, tire, etc.) based on the specific needs of the application.

By carefully considering these factors, you can select a rubber coupling that provides efficient torque transmission, vibration isolation, and durability in your mechanical system.

China Professional Rubber Flexible PVC Coupling with SS304 Stainless Steel Clamps  China Professional Rubber Flexible PVC Coupling with SS304 Stainless Steel Clamps
editor by CX 2024-05-15

China manufacturer PE Compression Straight Couplings with Rubber Oring Brass Orings Inside

Product Description

 Product Name Brass PE compression fitting 
 Color  Natural brass color
   Keyword   plumbing brass fittings
   Application Water Pipe System
   Working pressure PN25
Work Temperature   -20°C to 110°C
   Use  For PE pipes/pPR pipes
   Weight  141-1452g
Guarantee time  60 years
Surface treatment original sandblasting
Discount Available
Sample time  7days
   MOQ 1000pcs

Product Description

Company Name: HangZhou CHINAMFG Co., Ltd.

Features:

  • Material: Brass, alloy: C37700, DZR, H59-1
  • Application: Cold and hot water supply, water drain, industry water supply and drain, plumbing
  • Popular in European markets such as Greece, Spain, England, and Germany
  • Packaging: Plastic bags in 1 box

/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

rubber coupling

Impact of Elastomer Element Design on Rubber Coupling Performance

The design of the elastomer elements in a rubber coupling plays a critical role in determining its overall performance and capabilities. The elastomer elements are the heart of the coupling, responsible for transmitting torque, absorbing vibrations, and accommodating misalignments. The following aspects of elastomer element design significantly impact the coupling’s performance:

  • Elastomer Material: The choice of elastomer material influences the coupling’s flexibility, damping characteristics, and resistance to wear. Different elastomers offer varying levels of resilience, chemical resistance, and temperature tolerance. Common elastomers used include natural rubber, synthetic rubber compounds, and polyurethane.
  • Elastomer Hardness (Durometer): The durometer hardness of the elastomer affects its flexibility and ability to absorb vibrations. Softer elastomers have higher damping capabilities but may offer less torsional stiffness. Harder elastomers provide better torque transmission but may have reduced vibration isolation.
  • Elastomer Shape and Geometry: The shape and geometry of the elastomer elements influence their flexibility and deformation characteristics. Different designs, such as cylindrical, star-shaped, or spider-shaped elements, affect the coupling’s ability to accommodate misalignments and transmit torque smoothly.
  • Elastomer Bonding: The way the elastomer is bonded to the coupling’s hubs or inserts impacts the coupling’s overall durability and reliability. Proper bonding ensures that the elastomer effectively transfers torque and maintains its properties over time.
  • Elastomer Properties Over Temperature: Elastomers can exhibit changes in performance with temperature fluctuations. Understanding how the chosen elastomer material behaves at different temperatures is essential for applications with varying operating conditions.

The design of the elastomer elements is a delicate balance between providing flexibility for vibration isolation and misalignment compensation while ensuring adequate torque transmission and overall coupling stiffness. Engineers must carefully select elastomer materials and design features based on the specific requirements of the application to achieve optimal coupling performance.

rubber coupling

Handling Torque and Vibration Suppression in Rubber Couplings

Rubber couplings are designed to effectively handle both high levels of torque transmission and vibration suppression. The flexibility and damping properties of rubber make it well-suited for these purposes:

  • Torque Transmission: Rubber couplings can transmit torque between shafts while accommodating angular misalignment. The rubber element flexes and deforms as torque is applied, allowing the coupling to transmit power even in misaligned conditions.
  • Vibration Suppression: Rubber’s inherent damping characteristics help absorb and dissipate vibrations and shocks generated during the operation of machinery. This feature reduces the transfer of vibrations to connected components, minimizing wear and enhancing overall system performance.

Engineers select the appropriate rubber material and coupling design to ensure that the coupling can effectively handle the required torque levels and provide the desired vibration suppression. Rubber couplings find applications in various industries where torque transmission and vibration damping are critical for smooth and reliable machinery operation.

rubber coupling

Types of Rubber Couplings Designed for Specific Uses

There are several types of rubber couplings, each designed with specific characteristics to suit various applications:

  • Flexible Jaw Couplings: These couplings consist of two hubs connected by a flexible rubber element. They are commonly used in applications where misalignment, vibrations, and shocks need to be dampened, such as in pumps, fans, and compressors.
  • Oldham Couplings: Oldham couplings use a rubber disk as the intermediate element between two hubs. They provide compensation for misalignment while maintaining a constant velocity between input and output shafts, often used in printing, packaging, and CNC machinery.
  • Tyre Couplings: These couplings have a high degree of torsional flexibility and are suitable for applications with substantial misalignment and shock absorption requirements, like in heavy-duty machinery and construction equipment.
  • Pin and Bush Couplings: These couplings use rubber bushes to provide vibration isolation and accommodate misalignment. They are used in various industrial applications, including conveyors, mixers, and crushers.
  • Diaphragm Couplings: Diaphragm couplings use a flexible rubber diaphragm to transmit torque and compensate for misalignment. They are commonly found in precision equipment like servo motors and robotics.

Each type of rubber coupling is designed to address specific needs in different applications. The choice of coupling depends on factors such as the degree of misalignment, torque requirements, shock absorption, and the level of precision needed.

China manufacturer PE Compression Straight Couplings with Rubber Oring Brass Orings Inside  China manufacturer PE Compression Straight Couplings with Rubber Oring Brass Orings Inside
editor by CX 2024-05-15

China Best Sales Original Excavator Parts Coupling CF-a Series Rubber Flexible Torsionally Steel Universal Shaft Coupling for Centaflex

Product Description

Original Excavator Parts Coupling CF-a Series Rubber Flexible Torsionally Steel Universal Shaft Coupling for Centafle

Product Display:                                                                                                                                                        
 

 Model  Outer Diameter(mm)  Inner Diameter(mm)  Hight(mm)  Diameter from Hole to Hole(mm)  Weight(kg)
4A/4AS 103 53 28 68 0.18
8A/8AS 134 71 32 88 0.26
16A/16AS 160 80 41 110 0.54
22A/22AS 165 86 41 128 0.66
25A/25AS 183 102 46 123 0.78
28A/AS         0.88
30A/30AS 213 117 57 145 1.28
50A/50AS 220 123 57 165 1.48
80A/80As 225 120 65 167 1.92
90A/90As 278 148 70 190 3.1
140A/140AS 285 151 71 215 3.42
250A/250AS         6.6
284B         6.34
4, 4655134, EX3, ZAX460MTH, ZAX480MTH, 4636444, ZX470-3, EX470, ZAX470, ZAX450-3, ZAX450-3F, ZAX5, Atlas Copco,,

 

AC 385,  AC 396, AC415, AC416, AC 455, AC485,

AC 486,  AC86, AC836, AC976, AC 6-712, 4DNV98

Chinese Brand Excavators: 

LGK: 6085, 200

CLG 60, 205, 220, 906, 907, 908, 920, 925, 936, CLG906C, CLG922LG

YC50-8, YC60-8, YC60-8, YC135-8, YC230, YC230-8, YC230LC-8, YC360, YC85, YC50,  YC85-7, YC60-7, YC135

SW50, 60, 70, 150

FR85-7, FR65, FR80, FR150-7,

ZL 60, 205, 230, 360 

SY55, SY60, SY215, SY230, SY210, SY220, SY310 
 

/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

rubber coupling

Impact of Elastomer Element Design on Rubber Coupling Performance

The design of the elastomer elements in a rubber coupling plays a critical role in determining its overall performance and capabilities. The elastomer elements are the heart of the coupling, responsible for transmitting torque, absorbing vibrations, and accommodating misalignments. The following aspects of elastomer element design significantly impact the coupling’s performance:

  • Elastomer Material: The choice of elastomer material influences the coupling’s flexibility, damping characteristics, and resistance to wear. Different elastomers offer varying levels of resilience, chemical resistance, and temperature tolerance. Common elastomers used include natural rubber, synthetic rubber compounds, and polyurethane.
  • Elastomer Hardness (Durometer): The durometer hardness of the elastomer affects its flexibility and ability to absorb vibrations. Softer elastomers have higher damping capabilities but may offer less torsional stiffness. Harder elastomers provide better torque transmission but may have reduced vibration isolation.
  • Elastomer Shape and Geometry: The shape and geometry of the elastomer elements influence their flexibility and deformation characteristics. Different designs, such as cylindrical, star-shaped, or spider-shaped elements, affect the coupling’s ability to accommodate misalignments and transmit torque smoothly.
  • Elastomer Bonding: The way the elastomer is bonded to the coupling’s hubs or inserts impacts the coupling’s overall durability and reliability. Proper bonding ensures that the elastomer effectively transfers torque and maintains its properties over time.
  • Elastomer Properties Over Temperature: Elastomers can exhibit changes in performance with temperature fluctuations. Understanding how the chosen elastomer material behaves at different temperatures is essential for applications with varying operating conditions.

The design of the elastomer elements is a delicate balance between providing flexibility for vibration isolation and misalignment compensation while ensuring adequate torque transmission and overall coupling stiffness. Engineers must carefully select elastomer materials and design features based on the specific requirements of the application to achieve optimal coupling performance.

rubber coupling

Industries and Applications of Rubber Couplings

Rubber couplings are widely utilized in various industries and applications where their unique characteristics are beneficial. Some examples include:

  • Automotive: Rubber couplings are commonly used in automotive drivetrains to connect the engine to the transmission and other components. They help absorb engine vibrations and shocks, enhancing passenger comfort.
  • Pumping Systems: Rubber couplings find applications in pumps and fluid handling systems, where they dampen vibrations and reduce wear on connected equipment.
  • Material Handling: Conveyor systems and material handling equipment use rubber couplings to minimize vibrations and shock loads during the movement of materials.
  • Industrial Machinery: Rubber couplings are employed in various types of industrial machinery, such as compressors, generators, and gearboxes, to ensure smooth torque transmission and vibration isolation.
  • Marine: In marine applications, rubber couplings connect propulsion systems and power transmission components, contributing to the overall reliability and performance of vessels.
  • Renewable Energy: Wind turbines and solar tracking systems utilize rubber couplings to absorb dynamic loads and vibrations caused by changing wind conditions.

These examples highlight the versatility and importance of rubber couplings in maintaining efficient and reliable operation across a wide range of industries and applications.

rubber coupling

Transmitting Torque and Damping Vibrations with a Rubber Coupling

A rubber coupling utilizes its flexible rubber element to achieve both torque transmission and vibration damping:

1. Torque Transmission: The rubber element connects two hubs, which are attached to the input and output shafts. As the input shaft rotates, it causes the rubber element to deform due to the applied torque. This deformation creates a shearing action within the rubber material, transmitting torque from the input to the output shaft.

2. Vibration Damping: The flexible rubber element of the coupling acts as a vibration isolator. When the coupling experiences external vibrations or shocks, the rubber absorbs the energy and dampens the vibrations before they reach the output shaft. The rubber’s elasticity and damping properties help mitigate vibrations and reduce the impact on the connected machinery, enhancing overall system performance and longevity.

This combination of torque transmission and vibration damping makes rubber couplings suitable for applications where misalignment compensation, shock absorption, and dampening of vibrations are essential, such as in pumps, compressors, HVAC systems, and various industrial machinery.

China Best Sales Original Excavator Parts Coupling CF-a Series Rubber Flexible Torsionally Steel Universal Shaft Coupling for Centaflex  China Best Sales Original Excavator Parts Coupling CF-a Series Rubber Flexible Torsionally Steel Universal Shaft Coupling for Centaflex
editor by CX 2024-05-15

China Professional Excavator Coupling Pump Flexible Rubber Coupling 550K Rubber Coupling

Product Description

Excavator Coupling Pump Flexible Rubber Coupling 550K Rubber Coupling

COUPLING
NO. LB NO. Model OEM NO. Name NO. LB NO. Model OEM NO. Name NO. LB NO. Model OEM NO. Name
1 FG-Q2001   25H  162*92 COUPLING 22 FG-Q2571 16A 155*76 COUPLING 43 FG-Q2043 S32S 235*97 COUPLING
2 FG-Q2002 MS110 DH55 30H 195*105 COUPLING  23 FG-Q2571 16AS 155*76 COUPLING 44 KLB-Q2044 S25S 163*58 COUPLING
3 FG-Q2003 30H  195*105 COUPLING ASSY 24 FG-Q2571 22A 153*76 COUPLING 45 KLB-Q2045 E200B 14T     COUPLING
4 FG-Q2004 EX200-2 40H 170*90 COUPLING 25 FG-Q2571 25A 185*102 COUPLING 46 KLB-Q2046 50AC 14T  205*40 COUPLING
5 FG-Q2005 40H   170*90 COUPLING ASSY 26 FG-Q2026 25AS 185*102 COUPLING 47 KLB-Q2047 SH280   COUPLING
6 FG-Q2006 45H  183*92 COUPLING 27 FG-Q2571 28A 178*93 COUPLING 48 KLB-Q2048 E200B  12T   COUPLING
7 FG-Q2007 45H 183*92 COUPLING ASSY 28 FG-Q2571 28AS 178*93 COUPLING 49 KLB-Q2049 50AM  16T 205*45 COUPLING
8 FG-Q2008 90H  203*107 COUPLING 29 FG-Q2571 30A 215*118 COUPLING 50 KLB-Q2050 SH200 14T  205*40 COUPLING
9 FG-Q2009 90H  203*107 COUPLING ASSY 30 FG-Q2030 30AS 215*118 COUPLING 51 KLB-Q2051 E330C 350*145 COUPLING
10 FG-Q2571 50H  195*110 COUPLING 31 FG-Q2031 50A 205*108 COUPLING 52 KLB-Q2052 E330C   COUPLING
11 FG-Q2011 50H   195*110 COUPLING ASSY 32 FG-Q2032 50AS  205*108 COUPLING 53 KLB-Q2053 168mm*48m 26T 3H   COUPLING
12 FG-Q2012 110H  215*110 COUPLING 33 FG-Q2033 90A 272*140 COUPLING 54 KLB-Q2054 242mm*72mm 50T 8H   COUPLING
13 FG-Q2013 110H 215*110 COUPLING ASSY 34 FG-Q2034 90AS 272*140 COUPLING 55 KLB-Q2055 295mm*161mm 48T 12H   COUPLING
14 FG-Q2014 140H  245*125 COUPLING 35 FG-Q2035 140A 262*132 COUPLING 56 KLB-Q2056 352mm*161mm 48T 8H   COUPLING
15 FG-Q2015 140H   245*125 COUPLING ASSY 36 FG-Q2036 140AS 262*132 COUPLING 57 KLB-Q2057 352mm*161mm 46T 8H   COUPLING
16 FG-Q2016 160H  255*134 COUPLING 37 FG-Q2037 E300B  16T  278*54 COUPLING 58 KLB-Q2058 318mm*72mm 50T 8H   COUPLING
17 FG-Q2017 160H  255*134 COUPLING ASSY 38 FG-Q2038 E450 16T 360*52 COUPLING 59 KLB-Q2059 315mm 42T   COUPLING
18 FG-Q2018 4A 104*53 COUPLING 39 FG-Q2039 SH430   12T  205*35 COUPLING 60 KLB-Q2060 268mm*100mm 42T 6H   COUPLING
19 FG-Q2019 4AS 104*53 COUPLING 40 FG-Q2040 SH200 14T  205*40 COUPLING 61 KLB-Q2061 167mm*90mm 47T 3H   COUPLING
20 FG-Q2571 8A 130*70 COUPLING 41 FG-Q2041 50ASM  20T  205*40 COUPLING 62 KLB-Q2062 182mm 42T    COUPLING
21 FG-Q2571 8AS 130*70 COUPLING 42 FG-Q2042 SH160(SH60)  15T 173*22 COUPLING 63 KLB-Q2063 220mm 46T    COUPLING

 

Ntly Asked Questions:

Q1. What are your packaging conditions?
A: Generally, we pack our goods in neutral white boxes and brown cartons. If you have a legally registered patent, we can package the goods in your branded box CHINAMFG receipt of your authorization letter.

Q2: What are your payment terms?
A: T/T 30% as deposit and 70% before delivery. We will show you photos of the products and packaging before you pay the balance.

Q3. What are your delivery terms?
A : FOB price

Q4. What is your delivery time?
A: Generally speaking, it takes 15 to 30 days after receiving the advance payment. The exact delivery time depends on the item and quantity of your order. Q5: How do you

keep our business in a long term good relationship?
A: 1. We maintain good quality and competitive prices to ensure our customers benefit; 

     2.We are sincere in doing business and making friends

Our advantages:
1.Professional: we have about 10 years of experience in the field of mechanical parts and accessories .
2. Quality assurance: we cooperate with major OEM factories in China. We will check the goods strictly before sending to customers.
3. Competitive price: We offer wholesale price for OEM; high quality and after-sale parts.
4. All goods are sufficient to meet your one-stop purchase.
5. One-stop service: you can contact us at any time if you have any questions after you receive the goods. One sale will complete the whole case for the customer.
6. Cheapest shipping cost: We have cooperated with the best freight forwarder for many years, we can quote the cheapest way of shipping for you.

/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

rubber coupling

Impact of Elastomer Element Design on Rubber Coupling Performance

The design of the elastomer elements in a rubber coupling plays a critical role in determining its overall performance and capabilities. The elastomer elements are the heart of the coupling, responsible for transmitting torque, absorbing vibrations, and accommodating misalignments. The following aspects of elastomer element design significantly impact the coupling’s performance:

  • Elastomer Material: The choice of elastomer material influences the coupling’s flexibility, damping characteristics, and resistance to wear. Different elastomers offer varying levels of resilience, chemical resistance, and temperature tolerance. Common elastomers used include natural rubber, synthetic rubber compounds, and polyurethane.
  • Elastomer Hardness (Durometer): The durometer hardness of the elastomer affects its flexibility and ability to absorb vibrations. Softer elastomers have higher damping capabilities but may offer less torsional stiffness. Harder elastomers provide better torque transmission but may have reduced vibration isolation.
  • Elastomer Shape and Geometry: The shape and geometry of the elastomer elements influence their flexibility and deformation characteristics. Different designs, such as cylindrical, star-shaped, or spider-shaped elements, affect the coupling’s ability to accommodate misalignments and transmit torque smoothly.
  • Elastomer Bonding: The way the elastomer is bonded to the coupling’s hubs or inserts impacts the coupling’s overall durability and reliability. Proper bonding ensures that the elastomer effectively transfers torque and maintains its properties over time.
  • Elastomer Properties Over Temperature: Elastomers can exhibit changes in performance with temperature fluctuations. Understanding how the chosen elastomer material behaves at different temperatures is essential for applications with varying operating conditions.

The design of the elastomer elements is a delicate balance between providing flexibility for vibration isolation and misalignment compensation while ensuring adequate torque transmission and overall coupling stiffness. Engineers must carefully select elastomer materials and design features based on the specific requirements of the application to achieve optimal coupling performance.

rubber coupling

Common Rubber Materials Used in Manufacturing Rubber Couplings

Various rubber materials are used in the manufacturing of rubber couplings, each chosen based on its specific properties and the intended application:

  • Neoprene: Known for its oil and chemical resistance, neoprene rubber is used in couplings that require durability and resistance to harsh environments.
  • Nitrile: Nitrile rubber offers excellent oil and fuel resistance, making it suitable for applications in machinery that involve contact with lubricants.
  • Natural Rubber: Natural rubber provides good elasticity and flexibility, making it suitable for couplings requiring high levels of shock and vibration absorption.
  • EPDM: Ethylene Propylene Diene Monomer (EPDM) rubber offers good resistance to weather, ozone, and aging, making it suitable for outdoor or high-temperature applications.
  • Polyurethane: Polyurethane rubber offers high abrasion resistance and can handle higher load capacities, making it suitable for heavy-duty applications.

The choice of rubber material depends on factors such as the operating environment, chemical exposure, temperature range, flexibility requirements, and load conditions. Engineers select the appropriate rubber material to ensure the coupling’s performance and longevity in specific applications.

rubber coupling

Factors to Consider When Selecting a Rubber Coupling

Choosing the right rubber coupling for a specific application involves considering various factors:

1. Torque Requirements: Evaluate the torque that needs to be transmitted between the input and output shafts. Select a coupling with a rubber element that can handle the required torque without exceeding its limits.

2. Misalignment Compensation: Determine the degree of misalignment (angular, axial, and radial) present in the system. Choose a rubber coupling with appropriate flexibility to accommodate the expected misalignment while maintaining efficient torque transmission.

3. Vibration Damping: Assess the level of vibrations and shocks in the application. Opt for a rubber coupling with effective vibration-damping properties to protect the machinery and enhance its reliability.

4. Service Environment: Consider the operating conditions, including temperature, humidity, exposure to chemicals, and potential contaminants. Select a rubber material that can withstand the environment without deteriorating.

5. Shaft Sizes: Ensure that the coupling’s bore sizes match the shaft diameters of the connected equipment. Proper shaft fitment is crucial for efficient torque transmission.

6. Maintenance Requirements: Evaluate the maintenance practices of the system. Some rubber couplings may require periodic inspection and replacement due to wear over time.

7. Cost and Budget: Factor in the budget constraints while choosing a suitable rubber coupling. Balancing performance and cost is essential for an optimal solution.

8. Application Type: Different industries and applications have unique requirements. Choose a coupling type (spider, jaw, tire, etc.) based on the specific needs of the application.

By carefully considering these factors, you can select a rubber coupling that provides efficient torque transmission, vibration isolation, and durability in your mechanical system.

China Professional Excavator Coupling Pump Flexible Rubber Coupling 550K Rubber Coupling  China Professional Excavator Coupling Pump Flexible Rubber Coupling 550K Rubber Coupling
editor by CX 2024-05-15