What Is The Reason For The Extremely High Temperature In The Use Of Gear Oil?

Taking the gear lubrication of a closed gearbox as an example, if the factors of the machine itself are not considered, the reasons for the excessively high temperature may be:

1. The new gear mechanism does not run-in well, and abrasive wear occurs, which causes the temperature of the tooth surface to rise. At this time, the filter should be strengthened, and the oil should be changed after the run-in.

2. Heavy load, oil film rupture, wear and other failure tendencies, causing the temperature of the tooth surface to rise, at this time, the oil should be selected correctly according to the load, and the viscosity level should be increased or the extreme pressure gear oil should be selected.

3. The oil level is too high or the viscosity is too high, which increases the heat of stirring and makes it difficult to dissipate heat. The oil temperature and the tooth surface temperature rise simultaneously. At this time, the oil level should be lowered, and the applicable low-grade oil should be selected.
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