An electro-discharge machining control comprising first and second current sources of relatively high and low voltage respectively, first switch means for repeatedly connecting said second source to an output for a first duration for connection to an elec
An electro-discharge machining control comprising first and second current sources of relatively high and low voltage respectively, first switch means for repeatedly connecting said second source to an output for a first duration for connection to an elec
放电加工控制包括较高和较低电压的一级和二级电流源，第一个开关意味着用于重复连接第二电源到输出线，用于第一个持续时间连接一个电极和第二个开关意味着重复连接第一个源到输出线，只有当第二电源连接到输出线时，固定时间间隔小于连接第二电源到输出线的第一个持续时间。