tool power unit

Proposed that a metal cutting database is basically composed of databases of cutting data, tool geometry angles, cutting fluid and unit cutting power.

提出由切削用量库、刀具几何角度库、切削液库和单位切削功率库基本构成金属切削数据库，给出了它们的关系模式。

Proposed that a metal cutting database is basically composed of databases of cutting data, tool geometry angles, cutting fluid and unit cutting power. Relation models of them are presented as well.

提出由切削用量库、刀具几何角度库、切削液库和单位切削功率库基本构成金属切削数据库，给出了它们的关系模式。

One great-torque motor with proper power is made to match with the rotary churn unit in pneumatic drill to form the electric pneumatic drill as one kind of powerful electrically driven tool.

将适当功率的大扭矩特种电动机与气动风炮上的旋转式冲击装置相匹配而产生出的一种有着强冲击扭力的电动工具――电动风炮。