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本文介绍了研制的ＷＥＤＭ电极丝恒张力控制器，作为机床附件配置在高速走丝线切割机床上，用来上丝并使电极丝的张力在工作过程中保持理想的恒定值。经工厂应用证明，配用该恒张力控制器的机床切割工件，可明显地改善表面质量，提高加工精度和生产率。
This paper introduces the developed WEDM electrode constant tension controller, as a machine tool accessories configured in high-speed wire-cutting machine, used to wire and wire tension in the work process to maintain a desired constant value. The factory application shows that with the constant tension controller of the machine tool cutting workpiece, can significantly improve the surface quality and improve processing accuracy and productivity.