1: Is it caused by the large pressure difference between the inside and outside of the reducer? During the rotation of the reducer, the friction heat generated by the movement and the influence of external high temperature, if the air vent is not good, the temperature inside the machine will also increase Higher.
2: Check whether the hole cover is too thin. The tightening bolts are easy to deform, making the joint surface uneven and leaking oil from the contact gap; 2) During the manufacturing process of the reducer, the castings are not aged or annealed, and there is no internal stress. , It will inevitably deform, create gaps, and cause leakage.
3: Too much oil: during the operation of the reducer, the oil pool is greatly agitated, and the lubricating oil splashes everywhere in the machine. If the oil is added too much, a large amount of lubricating oil will accumulate on the shaft seal, joint surface, etc. Cause a leak.
4: During equipment maintenance, due to incomplete removal of dirt on the joint surface, improper selection of sealant, reverse installation of the seal, and failure to replace the seal in time, oil leakage may also occur.
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