化工、塑料、橡胶等企业中的机械常常是利用变距螺杆来传送物料和均匀增压的。但这种变距螺杆的加工是比较困难的,现介绍一种等径不等距螺杆的加工方法。首先,根据变距螺杆的起始端和末端螺距的变化值(必须向一个方向递增或递减)及螺杆的螺纹圈数,选用一台适宜的链式无级变速器。对该无级变速器的 Machinery in the chemical, plastics, rubber and other industries often use variable-pitch screws to deliver the material and to uniformly pressurize it. However, this variable pitch screw processing is more difficult, is now introduced a method of processing isometric diameter isometric screw. First of all, according to the beginning of the variable pitch screw and the tip of the pitch changes (which must be increased or decreased in one direction) and the screw thread turns, choose a suitable chain CVT. For this CVT