The composition of grinding dust removal machine actuators

machine actuators polishing cleaning machine actuators is mainly composed of motor, reducer, torque limiter, switch control box, the handwheel and mechanical limit switch and position transmitter, etc. 1, motor. Actuator motor is the power unit of the actuator, and motor is single-phase or three-phase ac asynchronous motor. Is a special motor actuators in the motor, it has high starting torque, low starting current and smaller moment of inertia, which have good servo characteristics. 2, the gear reducer. Reducer is generally composed of triple reduction ( Usually only polar transformation) , the first, second class with small size, large transmission ratio, high efficiency of planetary gear reducer reducer secondary parts of the helical gear transmission. Final stage USES a large reduction ratio and has self-locking performance or screw nut of worm and worm wheel transmission. 3, the torque limiter. Torque stroke limiter is a standard unit, but it is on the structure and the reducer casing as a whole. It is controlled by torque limit institutions, travel agencies, position sensor and terminal blocks, etc. 4. Switch control box. Switch control box is an independent body, but on the structure, it is through the connection with speed reducer is installed on a screw. 5, the handwheel. In the process of fault status and debugging, manual operation in situ is indispensable. While manual operation can be achieved by turning the handwheel is not. Make sure power off when the rear can operate. With the clutch actuator, hand to separate the clutch, easy operation, operation clutch is reset. 6, mechanical limit switch. Quarter-turn mechanical limit is with a fan installed in the worm gear on both sides of the box or two adjustable bolt on the fixed block is in the box body is equipped with mechanical limit. The former can be adjusted, the latter is adjustable. Mechanical limit is mainly used for failure and protection, limit position and prevent the manual operation is more than the limit position. Grinding dust collector machine position locator is essentially a regulating unit or weak current signal from computer or on-off signals, and with the position feedback signal amplification output after comprehensive comparison of a kind of multi-functional high power amplifier, which is combined with actuator, to control the actuator according to the precise positioning. Grinding dust removal machine position locator is mainly composed of comparison circuit, logic protection, amplification of driver and power amplification circuit. Control of single motor position locator power amplification part mainly by photoelectric coupling zero passage trigger solid relay ( Is actually not trigger electronic switch) Composition.

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