China Professional All Kinds of Color T40 – T210 Sbt Elastic Spider, Sbt Polyurethane Couplingfor Jaw Coupling

Product Description

All Kinds of Color T40 – T210 Sbt Elastic Spider, Sbt Polyurethane Couplingfor Jaw Coupling

Advabtages:
1. Extremely resistant to wear, oil, CHINAMFG and ageing. Also resistant to hydrolysis (ideal for tropical climates)
2. Protect the drive against dynamic overload.
3. Good physical properties.
4. Easy installation .
5. OEM
 
Technical Data
Operating conditions
Temperature: -40~+100°C
Torque:  22.4-2500NM
 
Material
Material: NBR, CPU/TPU
Hardness: 70, 90, 95, 98 Shore A
 
 

Specifications:  
product advantage 1. Widely used in all kinds of water pumps
  2. Easy installation
Material composition TPU, NBR
Working Temperature -30ºC~+100ºC
Product hardness(shore A) TPU:90, 95, 98+-2shore A, NBR:70+/-5shore A
Torque 22.4-2500NM
Size any regular size or based on customer request
Color black or natural
Logo Yierka or customer logo is available
working midea water, oil
OEM&ODM welcome
Sample lead time Within 7 days
Production lead time 15 days or as per customers’ order quantity
Ship menthods by ocean/air or express is okay
Delivery port HangZhou, ZheJiang or ZheJiang
Payment terms 1.T/T 2. L/C 3. Western Union
Our Advantage: 1.nearly 10 years manufacturing experience
skilled workers, technology are abuntant.
 
2.In 1991,we cooperate with Chinese Academy of Science conducting the cooperation for seal technology applying in the mine, hydraulic and pneumatic system and engineering system.

 

Normal Size
part number ID(mm) OD(mm) H(mm)
SBT-40 18 40 10
SBT-45 20 45 10
SBT-56 27 56 15
SBT-62 30 62 15
SBT-65 30 65 15
SBT-75 35 75 15
SBT-79 40 79 15
SBT-90 45 90 18
SBT-94 45 94 18
SBT-104 55 104 23
SBT-108 55 108 24
SBT-126 60 126 28
SBT-133 60 133 25
SBT-154 79 154 27
SBT-170 80 170 28
SBT-175 85 175 30
SBT-180 90 180 30
SBT-200 100 200 36

 
 
 
standard size for polyurethane coupling: 
GR14, GR19, GR24, GR28, GR38, GR42, GR48, GR55, GR65, GR75, GR90, GR100, GR110, GR125, GR140, GR160, GR180
GS14, GS19, GS24, GS28, GS38, GS42, GS48, GS55, GS65, GS75, GS90, GS100, GS110, GS125, GS140, GS160, GS180
MT1, MT2, MT3, MT4, MT5, MT6, MT7, MT8, MT9, MT10, MT11, MT12, MT13
ML1, ML2, ML3, ML4, ML5, ML6, ML7, ML8, ML9, ML10, ML11, ML12, ML13
MH45, MH55, MH65, MH80, MH90, MH115, MH130, MH145, MH175, MH200
HRC70, HRC90, HRC110, HRC130, HRC150, HRC180, HRC230, HRC280
L35, L50, L70, L75, L90/95, L99/100, L110, L150, L190, L225, L276
FALK-R 10R, 20R, 30R, 40R, 50R, 60R, 70R, 80R
T40, T45, T50, T55, T60, T65, T70, T75, T80, T85, T90, T95, T100, T105, T108, T110, T115, T120, T125, T130, T135, T140, T145, T150, T154, T170, T185, T190, T210
standard size for rubber coupling:
Hb80, Hb95, Hb110, Hb125, Hb140, Hb160, Hb180, Hb200, Hb240, Hb280, Hb315
HRC70, HRC90, HRC110, HRC130, HRC150, HRC180, HRC230, HRC280
L35, L50, L70, L75, L90/95, L99/100, L110, L150, L190, L225
NM50, NM67, NM82, NM97, NM112, NM128, NM148, NM168, NM194, NM214, NM240, NM265
Gear 3J, 4J, 5J, 6J, 7J, 8J, 9J, 10J, 11J
special size build molding according to the buyer’s drawings
standard size for nylon coupling:
NL1, NL2, NL3, NL4, NL5, NL6, NL7, NL8, NL9, NL10
special size build molding according to the buyer’s drawings
***when you enquiry, pls confirm product’s number and quantity***

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elastic coupling

Maintenance Requirements for Optimal Performance of Elastic Couplings

Maintaining elastic couplings is essential to ensure their optimal performance and longevity. Following these maintenance guidelines can help prevent premature wear and failure:

  • Regular Inspection: Periodically inspect the coupling for signs of wear, such as cracks, deformities, or visible damage. This can help identify issues early and prevent further damage.
  • Lubrication: Some elastic couplings require lubrication to reduce friction and wear. Follow the manufacturer’s recommendations for lubrication intervals and use compatible lubricants.
  • Torque Check: Check the coupling’s torque values to ensure they are within the specified range. This helps maintain proper torque transmission and prevents overloading.
  • Alignment Check: Monitor the alignment of the connected shafts regularly. Misalignment can cause excessive stress on the coupling, leading to premature failure.
  • Vibration Analysis: Perform vibration analysis to identify any abnormal vibrations in the system. Excessive vibrations could indicate coupling or system issues that need attention.
  • Temperature and Environment: Ensure that the coupling operates within the recommended temperature and environmental limits. Extreme conditions can affect the coupling’s material properties and performance.
  • Coupling Wear: Keep track of the coupling’s wear over time. Depending on the application, the coupling might need replacement after a certain period of service.
  • Expert Inspection: If any unusual symptoms or problems arise, consider having the coupling inspected by a qualified technician or engineer to diagnose the issue accurately.

Adhering to these maintenance practices helps extend the service life of elastic couplings, ensures reliable performance, and minimizes unexpected downtime and costly repairs.

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 Professional All Kinds of Color T40 - T210 Sbt Elastic Spider, Sbt Polyurethane Couplingfor Jaw Coupling  China Professional All Kinds of Color T40 - T210 Sbt Elastic Spider, Sbt Polyurethane Couplingfor Jaw Coupling
editor by CX 2024-04-10