It analyzed the cutting speed and the choosing principle of tool material, and more detail introduction for the development of the tools for dies industry in recent years in Hitachi Tool Co.

• 文章以模具加工用的铣削刀具为中心,分析了切削加工速度及刀具材料的选择原则,比较详细地介绍了日立工具公司近年来在模具加工刀具方面的开发成果。