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The smoothness of the reducer is also a very important link for the maintenance of the reducer. Open and semi-open gear reducer drive, or closed gear drive with lower speed, generally use people to periodically refuel and smooth, and the smoothing agent used is smooth oil or smooth grease. The smoothness of the reducer also has its own conditions, and the smooth conditions for different reducers are also different. Let's take a look at how the gear reducer is smoothed.
When the circumferential speed of the gear of the reducer is> 12m/S, the oil injection should be smooth, that is, the oil pump or the central oil supply station supplies oil at a predetermined pressure, and the smooth oil is sprayed onto the gear teeth through the nozzle. When v≤25m/s, the nozzle can be located on the side of the gear tooth engagement or the side of the whistle; when v>25m/s, the nozzle should be located on the side of the whistle of the gear, so that the smooth oil can be used to cool the newly meshed side in time. The gear teeth are also smoothed at the same time.
The general closed gear reducer drives, and its smoothing method depends on the size of the gear's circumferential speed. When the peripheral speed of the gear V<12m/s, the gear teeth of the large gear are often immersed in the oil ground to smooth the oil. In this way, when the gear is in transmission, the smooth oil is brought to the meshing tooth surface, and the oil is also thrown to the box wall to dissipate heat. The depth of the gear immersed in the oil depends on the size of the gear's peripheral speed. For cylindrical gears, it generally does not exceed one tooth height, but generally it should not be less than 10mm; for bevel gears, it should be immersed in the full tooth width, at least immersed in the tooth width. half.
In the multi-stage gear transmission, the oil can be brought to the tooth surface of the gear that is not immersed in the oil ground by means of an oil tanker. The amount of oil in the oil pool depends on the size of the transmission power of the gear. For single-stage transmission, the oil demand is about 0.35~0.7Lo for every Ikw of power transmitted. For multi-stage transmission, the oil demand increases exponentially according to the number of stages.
