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       among the existing standard series products of dc motor reducers, it is only necessary to combine the specific requirements of the required transmission power, speed, transmission ratio, working conditions and general layout of the machine, and select from the product catalog or relevant manuals. if we can't choose the right product, we should design and manufacture it according to the requirements.

       the main steps for selecting the standard reducer of dc motor are as follows. 1. determine the working conditions of the reducer according to the actual demand, determine the working conditions of the reducer, such as the maximum power to be transmitted by the reducer, the input speed and output speed of the reducer, the relative position and distance between the output shaft of the reducer and the input shaft, the working environment temperature of the reducer, whether there is impact vibration in the work, whether there are positive and negative rotation requirements, whether there is frequent start and the requirements on the service life, etc. 2. select reducer type when selecting the type of reducer, it is necessary to make a comprehensive analysis and comparison according to the requirements of the overall configuration of the transmission device, such as the required transmission ratio, the overall layout requirements, the actual working environment and working conditions, as well as the efficiency, overall dimension or quality, scope of use, manufacturing and operating costs of different types of reducer, so as to select the most reasonable type of reducer.

       3. determine the reducer specification on the basis of determining the type of reducer, the specific specifications of reducer should be determined according to the input speed, transmission ratio, power, output torque and other parameters. for large reducers, thermal balance check should also be carried out. the main steps include the power check of the reducer, the thermal balance check of the reducer and the strength check of the shaft extension part of the reducer. the relevant check methods can refer to the relevant technical data. jinli transmission provides core transmission scheme for ai!