【摘要】 通过对内燃机活塞加工工艺流程以及活塞销孔轴线与裙部轴线垂直度误差的分析,提出了设置活塞顶部圆环面工艺基准,来有效降低活塞销孔轴线与裙部轴线垂直度误差的工艺方案。更多还原

【Abstract】 Based on the analysis of the piston machining process of internal combustion engine and the verticality error between the axis of piston pin hole and the axis of the skirt, a process plan for effectively reducing the verticality error between the axis of piston pin hole and the axis of the skirt by setting the technical datum of the torus on the top of the piston is put forward.更多还原