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The selection and maintenance of planetary gear reducer

by:Hoprio     2020-08-04
Planetary gear reducer is also known as planetary reducer, servo reducer. In family of reducer, planetary reducer, with its small size, high transmission efficiency, wide scope of speed, precision higher advantages, is widely used in servo motor controller, stepper motor drive system of the controller, dc motor controller, etc. Its action is on the premise of guarantee precision transmission, mainly used to reduce speed increase torque and lower the rotational inertia of the load/motor controller. How planetary reducer selection? 1. Planetary gear reducer is matching the main types of reducer, servo motor controller when choosing planetary gear reducer, to determine the reduction ratio of the gearbox, if standard reducer without you need reduction ratio, can be customized to the company the reducer. 2. After determine the reduction ratio, please will you choose rated torque on the servo motor controller reduction ratio, get on numerical recorded in principle than the model provide similar rated output torque of the speed reducer, as well as to filter the overload capacity of the drive motor controller and the actual work required torque. The work required torque must pay attention to the rated output torque of the two. Meet the above conditions after please select small reducer, small volume of the reducer cost is relatively lower. 3. Return clearance, the smaller its precision is higher, the higher the cost. The user should choose to meet the accuracy requirement series reducer can be. But pass filter/horizontal radial force and the average life expectancy. Lateral/radial stress of the reducer in the installation and use of high reliability, not a problem. Usually the average life expectancy is far more than the life of servo motor controller. Reducer in the long run, often appear oil seal oil leakage, popup and ventilator leak sealing cover these three oil leakage phenomenon. Oil spill areas there are three main parts, one is the low speed shaft extended end and bearing end cover the location of the crack occurred leakage between shaft hole; Is a high speed shaft extended end and bearing end cover the location of the crack occurred leakage between shaft hole; Another is the location inside the box body combined with leakage. We can take remedial measures are as follows: 1. Select normal manufacturer of oil seal products. 2. The right way of assembly as well as the special oil seal assembly tooling. At the time of planetary gear reducer assembly must pay attention to the correct way of force application, choose appropriate to the size of the plate, and uniform pressure in the diagonal direction. At the same time also pay attention to ensure that the level of the oil seal, to ensure the effectiveness of the seal. In the choice of the tooling to pay attention to the contact position of tooling and oil seal diameter size is reasonable. 3. In the process of testing to use the special aerodynamic torque wrench to tighten bolts. 4. Strengthen the seal parts design. Planetary gear reducer selection and fault maintenance is very important, in the process of using planetary gear reducer, need cleaning and maintenance in time, in order to be able to use a longer time, in the life of the planet gear speed reducer can be less failure.
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