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Lubricants and Lubrication of Plastic Gears - September/October 1993

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Archive > 1993 > September/October 1993 > Lubricants and Lubrication of Plastic Gears

The article "Lubricants and Lubrication of Plastic Gears" appeared in the September/October 1993 issue of Gear Technology.

Summary
Surface measurement of any metal gear tooth contact surface will indicate some degree of peaks and valleys. When gears are placed in mesh, irregular contact surfaces are brought together in the typical combination of rolling and sliding motion. The surface peaks, or asperities, of one tooth randomly contact the asperities of the mating tooth. Under the right conditions, the asperities form momentary welds that are broken off as the gear tooth action continues. Increased friction and higher temperatures, plus wear debris introduced into the system are the result of this action.

Keywords
lubricants, lubrication, plastic gears

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