The wastage morphology and reasons of gear hob used in production are analyzed, the influence of the varying hobbing torque and temperature on wastage of hob is discussed in hobbing process.

• 摘要对生产中使用的齿轮滚刀磨损和破损形貌进行了分析，探讨了滚刀磨损和破损的原因及滚齿过程中滚削力和滚削温度的变化对滚刀磨损和破损的影响。