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1. 发明申请

WO1994017948A1 METHOD AND APPARATUS FOR DISCHARGE MACHINING CONTROL 审中-公开
标题翻译：放电加工控制方法与装置
公开(公告)号：WO1994017948A1
公开(公告)日：1994-08-18
申请号：PCT/JP1994000148
申请日：1994-02-02
申请人： FANUC LTD , SAWADA, Kiyoshi , ODAKA, Syunichi
发明人： FANUC LTD
IPC分类号： B23H07/32
CPC分类号： B23H7/20 , B23H7/18
摘要： A gap condition detector (3) detects a discharge machining condition of the gap between a tool electrode (1) and a work (2). The difference between this detection value Vg and a target value Vs is multiplied by axial components of a direction vector a &cir& _ in a retreating direction so as to obtain retreat speed command V2x to V2z. These values are added to speed commands V1x to V1z obtained by position loop control to obtain speed commands for speed loop control, and servo-motors (6x to 6z) are driven to regulate the gap described above. The retreat speed commands V2x to V2z are integrated by integrators (10x to 10z) to obtain the displacement of the tool when the speed commands are corrected. This displacement is added to the movement command inputted to the position loop, so as not to lose track of the tool.
摘要翻译：间隙条件检测器（3）检测工具电极（1）和工件（2）之间的间隙的放电加工条件。将该检测值Vg与目标值Vs之间的差乘以退避方向的方向矢量a＆cir＆_的轴向分量，以获得后退速度指令V2x〜V2z。这些值被添加到通过位置环控制获得的速度指令V1x到V1z，以获得用于速度环控制的速度命令，并且驱动伺服电动机（6x至6z）以调节上述间隙。退出速度命令V2x至V2z由积分器（10x至10z）集成，以在修正速度指令时获得刀具的位移。该位移被添加到输入到位置环的移动指令，以便不失去工具的轨迹。

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