Abstract

The gears of a gear box were modeled and analyzed through Romax, and the effects of pressure angle on their lubrication properties were studied. The studies had shown that as the increase of pressure angle, the safety factor against micropitting had significantly increased. The gears were less prone to micropitting. The minimum film thickness and the maximum film thickness of the gears had also significantly increased, so the gear lubrication performance had been improved. It had important significance to improve the carrying capacity and prolong the service life of the gears.

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