Examination on the wear process of polyformaldehyde gears under dry and lubricated conditions
polyformaldehyde gear, lubrication, wear, surface damage
This study presents the results of detailed wear process examination on polyformaldehyde gears under both dry and lubricated conditions. A multi-purpose durability test rig was employed to study the wear performance of polyformaldehyde gear pairs. The wear behaviors of polyformaldehyde gears under dry and oil-lubricated operating conditions were characterized via measurements of gear tooth surface micro-topography and tooth profile deviation. Under the dry running condition, a hump and a gully appear on the tooth surface in the pitch line area of the driving gear and the driven wheel, respectively. The largest amount of wear was observed around the tooth root of the driving gear. However, the gear tooth wear pattern with lubrication is different from that under the dry running condition.
Tsinghua University Press
Guoda YU, Huaiju LIU, Ken MAO, Caichao ZHU, Zehua LU. Examination on the wear process of polyformaldehyde gears under dry and lubricated conditions. Friction 2021, 9(3): 538-550.