China manufacturer Aluminum Clamp Style Standard Flexible Elastic Rubber Spider Star Jaw Type Flexible Coupling

Product Description

Item No. φD L L1 L2 L3 S M Tighten the strength(N.m)
SG7-10-14- 15 20 6 6 3 1 M3 1
SG7-10-25- 26 26 8 8 4 1 M4 1.5
SG7-10-30- 32 32 10 9 5 1.5 M4 1.7
SG7-10-40- 40 50 17 12 8.5 2 M5 4
SG7-10-55- 56 58 20 14 10 2 M5 4
SG7-10-65- 66 62 21 15 10.5 2.5 M8 15
SG7-10-80- 82 86 31 18 15.5 3 M8 15
SG7-10-95- 98 94 34 20 17 3 M8 15
SG7-10-108- 108 123 46 24 23 3.5 M8 15

1111

Item No. Rated torque Maximum Torque Max Speed Inertia Moment N.m rad RRO Tilting Tolerance End-play Weight:(g)
SG7-10-14- 1.1N.m 2.2N.m 19000prm 3.9×10-4kg.m² 45N.m/rad 0.02mm 1.0c +0.6mm 20
SG7-10-25- 6.0N.m 12N.m 16000prm 6.8×10kg.m² 56N.m/rad 0.02mm 1.0c +0.6mm 25
SG7-10-30- 6.5N.m 13N.m 15000prm 8.3×10kg.m² 70N.m/rad 0.02mm 1.0c +0.6mm 46
SG7-10-40- 32N.m 64N.m 13000prm 9.3×10kg.m² 490N.m/rad 0.02mm 1.0c +0.8mm 135
SG7-10-55- 46N.m 92N.m 10500prm 3.8×10-3kg.m² 1470N.m/rad 0.02mm 1.0c +0.8mm 300
SG7-10-65- 109N.m 218N.m 8300prm 8×10kg.m² 2700N.m/rad 0.02mm 1.0c +0.8mm 570
SG7-10-80- 135N.m 270N.m 7000prm 1.5×10-2kg.m² 3100N.m/rad 0.02mm 1.0c +1.0mm 910
SG7-10-95- 260N.m 520N.m 6000prm 1.9×10kg.m² 4400N.m/rad 0.02mm 1.0c +1.0mm 1530
SG7-10-108- 430N.m 860N.m 5000prm 3×10kg.m² 5700N.m/rad 0.02mm 1.0c +1.0mm 2200

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rubber coupling

Durometer Hardness in Rubber Coupling Materials

Durometer hardness is a measure of the material’s resistance to indentation or penetration by a specified indenter. In rubber couplings, durometer hardness is a critical characteristic that influences their performance. It is typically measured using a durometer instrument.

The durometer hardness scale commonly used for rubber materials is the Shore durometer scale, indicated by a letter followed by a numerical value (e.g., Shore A, Shore D). Lower durometer values indicate softer and more flexible rubber, while higher values indicate harder and less flexible rubber.

In relation to rubber couplings:

  • Higher Durometer (Harder Rubber): Couplings made from harder rubber materials have better torque transmission capabilities and higher load-bearing capacity. However, they may offer less vibration isolation and misalignment compensation.
  • Lower Durometer (Softer Rubber): Couplings made from softer rubber materials provide greater flexibility, vibration damping, and misalignment compensation. They are suitable for applications where vibration reduction is crucial.

The choice of durometer hardness depends on the specific requirements of the application, including torque levels, vibration, misalignment, and desired performance characteristics.

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 manufacturer Aluminum Clamp Style Standard Flexible Elastic Rubber Spider Star Jaw Type Flexible Coupling  China manufacturer Aluminum Clamp Style Standard Flexible Elastic Rubber Spider Star Jaw Type Flexible Coupling
editor by CX 2024-04-19