Product Description

T Coupling, Sbt Coupling, PU Coupling, Rubber Coupling 90-98 Shore A
 
 
T type rubber coupling ,  T type polyurethane coupling , T type PU coupling
Specifications
1. Material: polyurethane, rubber 
2. Good stability 
3. Easy to maintain 
4. ISO9001-2000 certificate
 
Coupling:
1. Jaw coupling/ SBT coupling
2. Flange cast iron, Insert Bubber
3. Taper bore universal series
4. Keyway dimensions conform to DIN6885,GB1095-1979 standards.
 

Others standard size for polyurethane coupling: 
GR14, GR19, GR24, GR28, GR38, GR42, GR48, GR55, GR65, GR75, GR90, GR100, GR110, GR125, GR140, GR160, GR180
MT1, MT2, MT3, MT4, MT5, MT6, MT7, MT8, MT9, MT10, MT11, MT12, MT13
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

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
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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.

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.

Role of Rubber Flexibility in Accommodating Misalignment

Rubber couplings are designed with a flexible element, usually made of elastomers, that plays a crucial role in accommodating misalignment between connected shafts. The flexibility of the rubber element allows it to deform and absorb angular, axial, and radial misalignments, providing several benefits:

1. Angular Misalignment: When the input and output shafts are not perfectly aligned in terms of angle, the rubber element can flex and twist, allowing the coupling to transmit torque even when the axes are not parallel.

2. Axial Misalignment: Axial misalignment occurs when the shafts move closer together or farther apart along their axis. The rubber element can compress or extend, adjusting the distance between the shafts without hindering torque transfer.

3. Radial Misalignment: Radial misalignment refers to the offset between the centers of the shafts. The rubber element can bend in response to radial displacement, ensuring that the coupling remains operational while accommodating the offset.

This flexibility not only enables the rubber coupling to handle misalignment but also helps prevent excessive stress on the connected machinery. By absorbing shock loads and distributing forces, the rubber element reduces wear and tear on components and minimizes the risk of premature failure.

In essence, the rubber’s flexibility in the coupling acts as a buffer against misalignment-induced stresses, contributing to smoother operation, improved longevity, and reduced maintenance in mechanical systems.

editor by CX 2024-03-06