How to Select a Magnetic Particle Brake for Test Equipment Loading

Due to the magnetic particle brake's excellent torque control, it can also be used as a simulated load in applications such as motor characteristic measurements, durability tests for power transmission units like gears and conveyor belts, and more. Here, we explain the relevant selection methods, examples of selection calculations, and usage precautions when used as a test device load.

(1) Selected Method

Primarily, it involves analyzing whether the torque, speed, and slip power (heat generation) are within the permissible limits.

Even when operating within the rated torque and below the permitted speed, the machine cannot be used if the slip power (heat generation) exceeds the allowed continuous slip power range. Please pay full attention to this.

When the load torque is unknown, it can be calculated based on the motor's output power using the following formula.

T=9550*P/N

T Load TorqueN·m）；

P Motor rated output power:kW）；

N : RPMr/min）；

Please provide the Chinese content to be translated.TReserved1.5～3Enhanced safety factor, pre-selected brake model.

Performance Test Device for DC Motors with Braking Units

Selected magnetic particle brakes are used for measuring output power of600WTorque44N·m, RPM130r/minFeatures of the motor with a reducer.

Slippage PowerPFor:

P = T×N/9550=44*130/9550 =598 （W）

The calculated results indicate that the motor output= Slippage power (heat generation) of magnetic particle brakes.

OptionalCZ-10Continuous Slippage Power Type Magnetic Powder Braking Unit3KWRated Torque100N·mAllow for rotation speed286.5r/minBy altering the excitation current of the magnetic particle brake, the load torque applied to the motor can be changed, thereby recording the variations in motor current and speed.

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