大型矿用挖掘机推压轴锻件热处理工艺的优化

摘要

通过延长淬火保温时间、采用水淬油冷的冷却方式，使材料为40CrNi2Mo钢的电铲推压轴锻件综合力学性能达到技术要求。%By extending quenching holding time and adopting water -quenching oil-cooling method , comprehen-sive mechanical properties of the shaft meet technical requirements .