After using hydraulic cam and groove coupling to drive, which matters should be noted if still using pressure reducing method?

　　Generally do not start by reducing pressure. Because the hydraulic cam and groove coupling has light load start function, which can protect the motor from being damaged during the startup process; after using the cam and groove coupling to drive, high current when the motor is started only lasts 1-3s, which will not cause the motor heating.

　　But if with the adoption of large power motor, even in a short time, large currents may cause adverse consequences, then still need to use step-down start.

　　After starting by reducing the pressure, start delaying time can not be set too long. The transmission capacity torque of hydraulic cam and groove coupling is proportional to the square of speed, if the start time setting is too long, the motor running at the rated speed in a long time, in other words, the hydraulic coupler for long time is not up to the rated speed and can not reach the rated torque, so it can't start working machine, may even make coupler heating spray

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