公开(公告)号：US20130277335A1

公开(公告)日：2013-10-24

申请号：US13780813

申请日：2013-02-28

申请人： FANUC CORPORATION

发明人： Tomoaki MATSUNAGA ,  Yushi TAKAYAMA ,  Akiyoshi KAWAHARA

IPC分类号： B23H1/02

CPC分类号： B23H1/02 ,  B23H7/04 ,  B23H7/18 ,  B23H2500/20

摘要： A contact detection apparatus for a wire electrical discharge machine includes a voltage application unit adapted to apply a detection voltage to detect contact between a wire electrode and a workpiece; a contact determination unit adapted to determine contact or non-contact between the wire electrode and the workpiece based on changes in the detection voltage applied by the voltage application unit; and a voltage value changing unit adapted to change a voltage value of the detection voltage applied by the voltage application unit.

摘要翻译： 一种用于线放电机的接触检测装置包括：电压施加单元，适于施加检测电压以检测线电极和工件之间的接触; 接触确定单元，其适于基于由所述电压施加单元施加的检测电压的变化来确定所述线电极和所述工件之间的接触或非接触; 以及电压值改变单元，其适于改变由所述电压施加单元施加的检测电压的电压值。