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Wire rope electric hoist motor

Basic requirements of Wire rope electric hoist motor

wire rope electric hoist

The motor in the use of the process directly play a significant role in the hoist, electric hoist motor is equipped with a two-speed motor, then it has a fast and slow, its main role is to facilitate the lifting of the object when the speed can Free to control, to reduce the inertia of objects when lifting, because fast inertia.

Electric hoist is the most widely used light lifting equipment, its working characteristics have, repeated many times a short time to run, frequent lifting, reversing and braking, often overload, operating environment for dust and metal dust environment, Resulting in a strong vibration, so in order to meet the needs of electric hoist, as its main power source of the motor should have the following characteristics:

1, the first electric hoist motor should be more than ordinary industrial motor intermittent cycle characteristics, according to the load duration, the number of contacts, the number of lifting as an important parameter selected for the motor.

2, electric hoist motor should have a better lifting torque and overload capacity,

3, electric hoist motor with a smaller rotor inertia, greater rotor diameter to diameter, less line of sight brake.

4, electric hoist on the motor should have the maximum safety speed is several times the rated speed, under normal circumstances is about 2.5 times the synchronous speed.

5, electric hoist motor should be adapted to different operating temperature and humidity, and should be the lowest with two levels of the same insulation level.

As the continuous development of insulation technology, both in the design of the motor to increase the output, but also to reduce the volume, so that the new electric hoist motor heat capacity is getting smaller and smaller, the load capacity is getting weaker; and then the degree of automation, Requiring the motor to run frequently in the frequent start, brake, forward and reverse and variable load and other means, the motor protection device put forward higher requirements.

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