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The gear motor is mainly used to reduce the speed and increase the torque to meet the working requirements. There are many types of gear motors, and their classification can be divided according to the type of transmission and the shape of the gear and the series of transmission.
According to the transmission type, it can be divided into gear motor, worm motor and gear motor, and the gear motor combined by the gear and worm.
According to the shape of the gear, it can be divided into cylindrical gear reduction motor, bevel gear reduction motor and conical - cylindrical gear reduction motor. When divided according to the series of transmission, it can be divided into single-stage gear motor and multi-stage gear motor.
Gear and worm composed of the most commonly used reduction motor mainly gear motor, worm reduction motor, worm - gear reduction motor, gear reduction motor, cycloidal pin wheel reduction motor, harmonic gear reduction motor and other six kinds, and these six kinds of reduction motor have a standard series of products, in the selection of only when can not find the right product, to design and manufacture the reduction motor.
The characteristics of the common reducer motor: the gear reducer motor is widely used, the structure is simple, the accuracy is easy to ensure, and the gear teeth can be made into straight teeth, helical teeth and herringbone teeth.
Worm gear motor has compact structure, large transmission ratio, stable operation, low noise, but low efficiency. Worm - gear motor has two forms of gear transmission at high speed and worm transmission at high speed, the former has a compact structure, the latter has a high transmission efficiency.
The gear transmission of the gear motor effectively uses the power shunt and the coaxiality of the input and output as well as the reasonable use of the internal meshing, so compared with the ordinary fixed shaft gear transmission, the gear motor has the advantages of small mass, small volume, large transmission ratio, large carrying capacity and smooth transmission and high transmission efficiency. Gear motor has these characteristics, so it is widely used in metallurgy, mining, construction, aviation and other mechanical fields.
Cycloidal pin gear reducer motor adopts the principle of less tooth difference transmission, the transmission process is installed on the input shaft with a dislocation of 180 degrees of double eccentric sleeve, the eccentric sleeve is equipped with two roller bearings called rotating arms, forming H mechanism, the center hole of the two cycloidal wheels is the eccentric sleeve, the raceway of the arm bearing is uploaded, and the cycloidal wheel meshes with the needle gear. The internal meshing reducer is composed of one tooth difference.
Harmonic gear transmission is the short for harmonic gear transmission, harmonic gear reduction motor transmission is a small tooth difference transmission, usually by rigid cylindrical gear, flexible cylindrical gear, wave generator and flexible bearings and other parts.
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