1Proposal of the problem The SH78Z drive shaft has five internal gears with internal splines, and the wall thickness of the gear ends is uneven. After the carburizing and quenching, the deformation of the upper and lower ends of the splines is inconsistent, the taper of the inner hole is serious, a

Hysteresis clutches (hysteresis brakes) for tension control, overload protection, torque loaders, etc. Such as printing presses, paper machines, rewinders, wire drawing machines, metal calenders, film processing machines, textile machinery, etc.; Motor, engine, hydraulic machine reducer an