Speed reducer is a relative precision machine. The purpose of its use is to reduce the speed and increase the torque. It has many kinds, different models have different uses.
(1)According to the transmission type, it can be divided into gear reducer, worm reducer and planetary gear reducer;
(2)According to different transmission series,it can be divided into single-stage and multi-stage reducer;
(3)According to gear shape, it can be divided into cylindrical gear reducer, bevel gear reducer and bevel gear reducer.
(4)According to the layout of the transmission, it can be divided into the expansion type, the shunt and the coaxial reducer
(1)The main feature of worm gear reducer is that it has the function of reverse self lock. It can have a larger reduction ratio. The input and output axes are not on the same axis, nor on the same plane. But the general volume is large, the transmission efficiency and the accuracy is not high.
(2)Harmonic drive of the harmonic speed reducer is the elastic deformation controlled by the flexible element to transmit the motion and the power , the volume is not large , the precision is high , but the disadvantage is that the service life of the flexible wheel is limited , the impact is not impact , the rigidity is poor compared with the metal piece , and the input rotation speed cannot be too high .
(3)Planetary speed reducer has the advantages of compact structure , small return clearance , high precision , long service life and high rated output torque .
(4)Gear reducer is designed and manufactured on the basis of modular combination system. There are many motor combinations, installation forms and structural schemes. The transmission ratio is fine and classified to meet different working conditions and achieve mechanical and electrical integration. Gear reducer has high transmission efficiency, low energy consumption and excellent performance.
(5)Cycloidal needle wheel reducer is a kind of transmission machine which adopts the principle of cycloidal needle tooth meshing planetary transmission. It is an ideal transmission device with many advantages, wide applications and positive and negative operation.