| 1. | This is a thread producing machine which uses its three thread rolling dies , mounted in the same seperation angle of 120 ' , to realize roll forming of the workpiece , for metal has the performence of plastic deformation under the pressure operation
该机床是利用金属在压力之下产生塑性变形的特点,用三个互成120度夹角的滚模,对工件进行滚压成型的螺纹加工设备 |
