公开(公告)号：EP1004385A1

公开(公告)日：2000-05-31

申请号：EP99918359.3

申请日：1999-05-11

申请人： MITSUBISHI DENKI KABUSHIKI KAISHA

发明人： IMAI, Yoshihito, Mitsubishi Denki Kabushiki Kaisha ,  NAKAGAWA, Takayuki, Mitsubishi Denki K.K. ,  YUZAWA, Takashi, Mitsubishi Denki Kabushiki Kaisha

IPC分类号： B23H1/02 ,  B23H7/18

CPC分类号： B23H7/18 ,  B23H7/16 ,  B23H7/20 ,  B23H2400/10

摘要： A detected value indicating a machining state is filtered and a machining gap between an electrode and a workpiece is adjusted by using a control variable obtained through this filtering. Therefore, machining speed can be improved by maintaining a stable machining state through suppression of disturbance to a gap distance control system due to eccentricity of an electrode, due to fluctuations in electric characteristics at feeding brush sections, and due to mechanical resonance of the electrode driving system.

摘要翻译： 指示加工状态的检测值被过滤，并且通过使用通过该过滤获得的控制变量来调整电极和工件之间的加工间隙。 因此，通过抑制由于电极的偏心引起的对间隙距离控制系统的干扰，由于供电刷部分处的电特性的波动以及由于电极驱动的机械共振而维持稳定的加工状态，可以提高加工速度 系统。

公开(公告)号：EP1473103A1

公开(公告)日：2004-11-03

申请号：EP01970151.5

申请日：2001-09-19

申请人： MITSUBISHI DENKI KABUSHIKI KAISHA

发明人： IMAI, Yoshihito, Mitsubishi Denki Kabushiki Kaisha ,  MIYAKE, Hidetaka, Mitsubishi Denki K.K. ,  NAKAGAWA, Takayuki, Mitsubishi Denki K.K.

IPC分类号： B23H7/32

CPC分类号： B23H7/32 ,  B23H7/26 ,  B23H7/28 ,  B23H7/30 ,  B23H2400/10

摘要： An electric discharge machining apparatus is provided with an electrode mounting section which mounts a tool electrode, and an electrode driving section which has a radial driving section which supports and drives the electrode mounting section in a non-contact manner in a radial direction and a thrust driving section which supports and drives the electrode mounting section in a non-contact manner in a thrust direction, and a machining state is controlled by adjusting a position of the tool electrode by the electrode driving section. Because of such a structure, a mass increase of a section which should be driven together with the electrode is restricted, and high response inX-axis, Y-axis and Z-axis directions are achieved, whereby an electric discharge machining apparatus capable of improving a machining speed and a machining accuracy is achieved.

摘要翻译： 本发明提供一种放电加工装置，其具有安装工具电极的电极安装部和具有径向驱动部的电极驱动部，该径向驱动部以非接触的方式沿径向支承并驱动电极安装部， 驱动部分，其以非接触方式在推力方向上支撑和驱动电极安装部分，并且通过由电极驱动部分调整工具电极的位置来控制加工状态。 由于这样的结构，应该与电极一起被驱动的部分的质量增加受到限制，并且实现了在X轴，Y轴和Z轴方向上的高响应，由此能够改进放电加工设备 实现加工速度和加工精度。