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1. The reducer is a power transmission mechanism that uses the speed converter of the gear to decelerate the number of revolutions of the motor to the required number of revolutions and obtain a larger torque.

2. There are many types of reducers, which can be divided into gear reducers, worm reducers and planetary reducers and reducers combined with each other according to the type of transmission; according to the number of transmission stages, they can be divided into single-stage and multi-stage reducers; According to the shape of the gear, it can be divided into cylindrical gear reducer, bevel gear reducer and bevel-cylindrical gear reducer; according to the arrangement of transmission, it can be divided into expansion type, split type and coaxial type reducer.

3. The gear adopts two forms of oil pool lubrication and circulating lubrication.

4. The lubricating oil should be checked and replaced regularly. When the newly installed reducer is used for the first time, it must be replaced with new oil after 10-15 days of operation. In the future, the quality of the oil should be checked regularly (2-3 months), and if it is found that it does not meet the requirements, it should be replaced immediately. Generally, the oil should be changed at least once every six months.