How to choose electric hoist motor
As a small lifting equipment, electric hoists are often used in conjunction with overhead cranes and gantry cranes. The operation of the electric hoist is very simple and convenient to use. Since electric hoists require frequent reciprocating operations and are frequently lifted, reversed, and braked, the motor requirements are higher than those of other common industrial motors.
First of all, it is necessary to have a strong feature of intermittent operation, which can cope with repetitive short-time reciprocating operations and lifting operations. When selecting the electric hoist motor, the load continuance rate, the number of contacts and the number of lifting times can be taken as the reference.
Secondly, it must have good lifting torque and overload capacity, and the smaller the moment of inertia of the rotor of the motor, the larger the ratio of length to diameter, and the less brake, the more suitable this type of motor is.
Finally, it must be able to adapt to a variety of operating conditions, especially different temperature and humidity conditions. In addition, due to the characteristics of the motor itself, the requirements for insulation are also relatively high, and the protection device on the motor must also meet certain requirements.
First of all, it is necessary to have a strong feature of intermittent operation, which can cope with repetitive short-time reciprocating operations and lifting operations. When selecting the electric hoist motor, the load continuance rate, the number of contacts and the number of lifting times can be taken as the reference.
Secondly, it must have good lifting torque and overload capacity, and the smaller the moment of inertia of the rotor of the motor, the larger the ratio of length to diameter, and the less brake, the more suitable this type of motor is.
Finally, it must be able to adapt to a variety of operating conditions, especially different temperature and humidity conditions. In addition, due to the characteristics of the motor itself, the requirements for insulation are also relatively high, and the protection device on the motor must also meet certain requirements.
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