在拟订机器另件的加工工艺规程时,对于切削用量的确定,是一个很重要的环节,尤其是在大量或大批的生产中,不合理的切削用量将会在经济上带来很大的损失。目前对于单刀切削时切削用量的合理选择,已经具有较好的基础,并且有许多手册可以查考,但对于多刀加工时切削速度的合理选择,则还没有较完整的理论; In the preparation of the other parts of the machine processing procedures, the determination of the amount of cutting is a very important part, especially in large or large quantities of production, the amount of unjustified cutting will bring great economic losses . At present, there is a good foundation for the reasonable choice of cutting amount when single-pole cutting, and there are many manuals available for reference. However, there is not a complete theory for the reasonable choice of cutting speed in multi-blade machining.