自动线和组合机床孔加工切削用量的选择(上)

Machines and Building-Block Machines (Part Ⅰ)

本文叙述了在自动线和组合机床上钻、扩、锪、铰孔和螺纹加工的合理切削用量。

This paper describes the selecting of rational catting and feeding speed du- ring the drilling,underreaming,counterboring,reaming and screwing operations by transfer machines and building-block machines.