金属切削metalcutting机床machinetool金属工艺学technologyofmetals刀具cutter摩擦friction联结link传动drive/transmission轴shaft弹性elasticity频率特性frequencycharacteristic误差error响应response定位allocation机床夹具jig动力学dynamic运动学kinematic静力学static分析力学analysemechanics拉伸pulling压缩hitting剪切shear扭转twist弯曲应力bendingstress强度intensity三相交流电three-phaseAC磁路magneticcircles变压器transformer异步电动机asynchronousmotor几何形状geometrical精度precision正弦形的sinusoid交流电路ACcircuit机械加工余量machiningallowance变形力deformingforce变形deformation应力stress硬度rigidity热处理heattreatment退火anneal正火normalizing脱碳decarburization渗碳carburization电路circuit半导体元件semiconductorelement反馈feedback发生器generator直流电源DCelectricalsource门电路gatecircuit逻辑代数logicalgebra外圆磨削externalgrinding内圆磨削internalgrinding平面磨削planegrinding变速箱gearbox离合器clutch绞孔fraising绞刀reamer螺纹加工threadprocessing螺钉screw铣削mill铣刀millingcutte