By analysis of gear -hobbing process of hardende gear s urface,the applic ation of hobbing hardend gear in meta llurgy re-pairing indu stry is elaborated in th is paper.

• 本文经过对高硬齿面滚齿技术的分析,探讨了高硬齿面滚齿加工在冶金机修行业中的应用。