用卧式机床(如CA6140)加工带螺纹的零部件是机械行业常见的生产方式。卧式机床能车削米制、英制、模数和径节四种标准螺纹。但无论车削哪一种螺纹,车床主轴与刀具之间必须保持严格的运动关系。即:主轴每转一转,刀具应均匀地移动一个导程的距离。它们的运动关系:主轴带着工件一起转动,主轴的运动经挂轮传到进给箱;由进给箱经过变速后再传给丝杠;由丝杠和溜板箱上的开合螺母配合带动刀架作直线运动,这样工件的转动和刀具的移动都是通过主轴的带动 Machining threaded parts with horizontal machines such as the CA6140 is a common manufacturing practice in the machine industry. Horizontal machine can be cut metric, inch, modulus and diameter of four standard thread. However, no matter what kind of thread turning, lathe spindle and the tool must maintain a strict relationship between movement. That is: each revolution of the spindle, the tool should be evenly moving a lead distance. Their movement relationship: the spindle rotates with the workpiece, the spindle moves to the feed box via the hanger; the feed box passes the speed change and then to the lead screw; the lead screw and the open-close nut on the slide box cooperate Driven tool holder for linear motion, so that the rotation of the workpiece and the tool are driven by the spindle