1. Heat and oil leakageAs it is a sliding friction drive, more heat will be generated during operation, so that the thermal expansion between the parts and the seal of the Mini planetary geared electric motor is different, thus forming a gap on the mating surface, and the lubricating oil becomes thinner due to the increase in temperature, which is easy to cause leakage. There are four main reasons for this situation. First, the material collocation is unreasonable; Second, the quality of the meshing friction surface is poor...
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