Product testing of coupling

Before the coupling leaves the factory, there will be a lot of testing, and the following is the performance of the coupling before leaving the factory: before the coupling leaves the factory, it is also necessary to check the installation size, shape size and appearance quality according to the drawings. It should be checked as follows: the rubber surface should be free of lumps, cracks, lack of glue and metal layers. Die marks, slight bumps and burrs with a depth of more than 1.0mm are not allowed. Rubber on bubble metal surfaces that are not allowed to have a depth of more than 1.5mm should be cleaned. The metal surface of rubber assemblies shall be coated with anticorrosive paint. Each coupling shall be rated torque, rated torsion Angle and instantaneous peak torque according to the technical data of GTL3021F series high elastic coupling

And torsion Angle of static torsion peak turn test check. Tolerance of rated torque is ±12.5%.