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GRC Series GRC-25X37 Aluminum Flexible Rigid Bellows Shaft Coupling

  • GRC series

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Bellows coupling structure and principle

The bellows coupling is composed of two metal hubs and a thin-walled bellows, which are connected as a whole by welding or bonding. The core transmission component is a corrugated metal tube, which transmits torque by the elastic deformation of the corrugated tube and simultaneously absorbs the radial, angular and axial deviations of the connecting shaft (with a compensation capacity of 1°-2° angular deviation and 0.01"-0.02" parallel deviation). This design requires no lubrication and achieves power transmission with zero rotational clearance.


Bellows coupling product Overview

Bellows Couplings are engineered to provide zero-backlash, high torsional stiffness, and exceptional flexibility in precision motion systems. Ideal for servo motors, encoders, and CNC equipment, our couplings ensure accurate torque transmission while compensating for misalignment (axial, angular, and parallel).


Bellows coupling materials and Manufacturing processes ‌

  1. Bellows material ‌ : mainly made of stainless steel or nickel-based alloy, stainless steel bellows are manufactured by hydraulic forming process, with higher strength and rigidity; Nickel corrugated tubes are formed by electrodeposition, with wall thickness accuracy reaching the micrometer level and higher sensitivity.

  2. Connecting parts ‌ : The hub is usually made of aluminium alloy or high strength anti-rust steel to reduce overall inertia.


Bellows coupling core performance advantage ‌

  1. High transmission accuracy ‌ : Zero clearance design ensures absolute synchronous transmission, excellent torsional rigidity, clockwise/counterclockwise characteristics are exactly the same.

  2. Environmental adaptability ‌ : Corrosion-resistant (resistant to oil, weak acids and alkalis), maintenance-free, can operate in extreme temperatures from -80 ° C to +300 ° C.

  3. Dynamic compensation capability ‌ : Absorbs equipment vibration, compensates for installation deviation, protects precision instruments from shock damage.

  4. Lightweight and low inertia ‌ : Aluminum hub structure reduces weight and system energy consumption, suitable for high-speed response scenarios.


item
value
Applicable Industries
Hotels, Garment Shops, Building Material Shops, Manufacturing Plant, Machinery Repair Shops, Food & Beverage Factory, Farms,
Restaurant, Home Use, Retail, Food Shop, Printing Shops, Construction works , Energy & Mining, Food & Beverage Shops, Other,
Advertising Company
Customized support
OEM, ODM, OBM
Structure
Torque Limiter
Flexible or Rigid
Rigid
Standard or Nonstandard
Standard
Place of Origin
Polyurethane


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