精密车制件加工就是利用车床在车床上进行产品的加工成的一种零件，利用工件的旋转运动和刀具的直线运动或曲线运动来改变毛坯的形状和尺寸，把它加工成符合图纸的要求。
a machining precisionturning lathe is the use of the product on the lathe, to change theshape and size of blank by linear movement or curve movement of theworkpiece rotation and tool, processing it into line with there of the drawings.
车削件加工，五金加工