NM Cast Iron Elastic Coupling

Its core feature is to utilize the elastic deformation of the rubber pad to achieve ‌buffering and vibration reduction ‌and ‌compensation for displacement:the rubber pad can effectively absorb the impact vibration during transmission and reduce equipment noise;It can simultaneously compensate for angular deviations of no more than 1°,radial deviations of approximately 0.5mm,and a small amount of axial expansion and contraction.Cast iron components offer high structural strength and are suitable for medium and small torque transmission (such as fans,water pumps,and stirring equipment).They have the advantages of low ‌cost and easy maintenance.However,rubber parts need to be inspected and replaced regularly,and the long-term working temperature should not exceed 80℃ to prevent aging.

1.Simple structure

Both sides are made of high-strength cast iron to ensure structural stability and torsional rigidity.

The annular rubber elastic pad ‌is embedded between the two half couplings as the core elastic element, providing buffering and displacement compensation functions.

2.Buffering and vibration reduction

Rubber pads absorb the impact loads and vibrations in the transmission system, reduce the operating noise of the equipment,and protect connected devices (such as motors and reducers) from damage.

3.Displacement compensation capacity ‌

Angular deviation:compensate for an axis deviation of ≤1°.

Radial deviation:compensate for approximately 0.5mm of parallel offset.

Axial expansion and contraction:allows for a small amount of axial displacement to accommodate thermal expansion or installation errors.

4.High cost performance

Cast iron material has a low cost,and the rubber pad has a simple structure.Overall,it is economical and practical.

5.Easy maintenance

Replacing the rubber gasket does not require moving the main body of the equipment.Quick maintenance can be achieved simply by removing the bolts.

6.Applicable working conditions

Medium and small torque transmission (commonly found in scenarios such as fans, water pumps,mixers,and conveyor belts),with a long-term working temperature of ≤80℃ (high temperatures will accelerate rubber aging),is not suitable for high torque,high speed or extreme temperature environments.