【摘要】 电火花线切割机电极丝张力的大小,对加工精度和加工表面质量有着重要影响。设计了一种恒张力控制系统,采用ER阻尼器为执行元件,以微机作为控制处理核心,系统响应速度快,较好地解决了张力测量和控制精度问题,实现了电极丝的恒张力控制。更多还原

【Abstract】 The change of wire tool’s tension has an influence on machining precision and surface quality.This essay describes a microcomputer control system using the ER damper which has the advantage of high response speed,convenient measurement of wire tool’s tension and control precision.Finally,it realizes the control of constant wire tension.更多还原