cnc數控車加工是(shi)數控車床加工(gong)(gong)機械精(jing)密加工(gong)(gong)的一(yi)(yi)部分。其是(shi)一(yi)(yi)種由計算機系統控制(zhi)的加工(gong)(gong)形式：一(yi)(yi)種是(shi)固定(ding)車刀，旋轉(zhuan)加工(gong)(gong)不成形工(gong)(gong)件(jian)，另一(yi)(yi)種是(shi)固定(ding)工(gong)(gong)件(jian)，通過(guo)工(gong)(gong)件(jian)高(gao)速旋轉(zhuan)，水平(ping)和垂(chui)直用于精(jing)密加工(gong)(gong)的車刀（刀架）的運動。一(yi)(yi)般鉆頭、鉸刀、鉸刀、絲(si)錐、模具(ju)和滾花工(gong)(gong)具(ju)可以在車床上進行相應的加工(gong)(gong)。主要用于加工(gong)(gong)軸、盤(pan)、套筒等具(ju)有旋轉(zhuan)表面的工(gong)(gong)件(jian)。