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    • 54. 发明授权
    • Electric discharge machining apparatus
    • 放电加工机
    • US06881918B2
    • 2005-04-19
    • US10706962
    • 2003-11-14
    • Hidetaka MiyakeYoshihito ImaiTakayuki Nakagawa
    • Hidetaka MiyakeYoshihito ImaiTakayuki Nakagawa
    • B23H7/26B23H7/28B23H7/30B23H1/00
    • B23H7/30B23H7/26B23H7/265B23H7/28
    • An electric discharge machining apparatus has improved responsive drivability and improved machining speed. A tool electrode has a tip end directed toward a work piece, a voltage applied between the tool electrode and the work piece generating a discharge. A drive shaft is connected with the tool electrode. An electrode driving device has magnetic bearings for moving the drive shaft in three directions, including a Z-axis direction, which is an axial direction of the drive shaft, a Y-axis direction perpendicularly crossing the Z-axis direction, and an X-axis direction perpendicularly crossing the Y-axis direction and Z-axis direction, by supplying electric current to electromagnetic portions to control magnetic attraction. A movable coupling is connected with an end of the drive shaft and is movable in the three directions. An electric motor is connected with an end of the coupling for rotating the drive shaft through the coupling.
    • 放电加工装置具有提高的响应驱动能力和改善的加工速度。 工具电极具有朝向工件的尖端,施加在工具电极和工件之间的电压产生放电。 驱动轴与工具电极连接。 电极驱动装置具有用于使驱动轴沿三个方向移动的磁性轴承,其包括作为驱动轴的轴向的Z轴方向,与Z轴方向垂直的Y轴方向, 轴向垂直于Y轴方向和Z轴方向,通过向电磁部分提供电流来控制磁吸引。 可动联轴器与驱动轴的一端连接,可沿三个方向移动。 电动机与联轴器的一端连接,用于通过联轴器旋转驱动轴。
    • 55. 发明申请
    • ELECTRIC DISCHARGE MACHINING APPARATUS
    • 电动放料加工设备
    • US20050016965A1
    • 2005-01-27
    • US10706962
    • 2003-11-14
    • Hidetaka MiyakeYoshihito ImaiTakayuki Nakagawa
    • Hidetaka MiyakeYoshihito ImaiTakayuki Nakagawa
    • B23H7/26B23H7/28B23H7/30B23H1/00
    • B23H7/30B23H7/26B23H7/265B23H7/28
    • An electric discharge machining apparatus has improved responsive drivability and improved machining speed. A tool electrode has a tip end directed toward a work piece, a voltage applied between the tool electrode and the work piece generating a discharge. A drive shaft is connected with the tool electrode. An electrode driving device has magnetic bearings for moving the drive shaft in three directions including a Z-axis direction which is an axial direction of the drive shaft, a Y-axis direction perpendicularly crossing the Z-axis direction, and an X-axis direction perpendicularly crossing the Y-axis direction and Z-axis direction, by supplying electric current to electromagnetic portions to control magnetic attraction. A movable coupling is connected with an end of the drive shaft and is movable in the three directions. An electric motor is connected with an end of the coupling for rotating the drive shaft through the coupling.
    • 放电加工装置具有提高的响应驱动能力和改善的加工速度。 工具电极具有朝向工件的尖端,施加在工具电极和工件之间的电压产生放电。 驱动轴与工具电极连接。 电极驱动装置具有用于使驱动轴沿包括作为驱动轴的轴向的Z轴方向,与Z轴方向垂直的Y轴方向,X轴方向 通过向电磁部分提供电流来控制磁吸引力,垂直于Y轴方向和Z轴方向。 可动联轴器与驱动轴的一端连接,可沿三个方向移动。 电动机与联轴器的一端连接,用于通过联轴器旋转驱动轴。
    • 56. 发明授权
    • Electric discharge machining method and device
    • 放电加工方法及装置
    • US06580049B1
    • 2003-06-17
    • US09786866
    • 2001-03-12
    • Hidetaka KatougiTakayuki Nakagawa
    • Hidetaka KatougiTakayuki Nakagawa
    • B23H102
    • B23H7/28
    • In an electric discharge machining method and apparatus of dividing a rocking shape for a change in a swing speed and a rocking movement completion determination and determining whether or not a target machining shape is reached every each division shape and completing rocking machining when the rocking movement completion determination is made in all the division shapes, the rocking shape is divided so that either one or both of each corner and the center of each side of the target machining shape is located on a bisector or substantially a bisector of a division angle (&thgr;s).
    • 在一种放电加工方法和装置中,用于对摆动速度的变化进行摆动形状的分割和摇摆运动结束判断,并且在每个分割形状确定目标加工形状是否达到并且当摇摆运动完成时完成摇摆加工 确定所有分割形状,摇摆形状被分割,使得每个角和目标加工形状的每一侧的中心中的任一个或两个位于平分线或基本上为分割角(等于)的平分线上, 。