Magnetic powder clutch selection

1. Working torque range The maximum torque of the magnetic powder clutch is related to coil heating, magnetic saturation characteristics, powder life and mechanical strength. It can take 130% of the theoretical torque. The lower torque limit is determined by the idling torque and torque stability. , positioning the theoretical torque more than 50%. [3]

2, The structure type

A coil-type magnetic powder clutch with a slip ring has good heat dissipation conditions, but is prone to failure during operation and has poor reliability. In addition, this structure requires frequent reverse operation during operation, which is unsuitable for bearing life and is not suitable for high-speed transmission systems. The coil-type magnetic powder clutch without slip ring has reliable operation and small idling torque. The torque rises quickly after energization, but the excitation power, volume and weight are slightly increased.

3, the shape of the working surface cylindrical rotor structure size, magnetic powder is uneven, stable performance, suitable for large machinery; cylindrical rotor moment of inertia and small size, suitable for mechanical transmission requiring high sensitivity; The rotor has a small moment of inertia and is quick to move, and can be used in high frequency combination.