| 摘要 |
PROBLEM TO BE SOLVED: To provide an electric discharge machining device to miniaturize an electrode driving device while enhancing accuracy in machining. SOLUTION: In this electric discharge machining device equipped with an electrode driving device 1 to hold an electrode 2a for discharge and to drive the electrode 2a, and a Z axis driving device to hold the electrode driving device 1 and to drive the first electrode driving device 1, the electrode driving device 1 holds the electrode 2a, and is equipped with a movable part 3 moving with the electrode 2a, blade springs 5a and 5b to support both ends of the movable part 3 in its moving direction and an electromagnetic actuator provided between the blade spring 5a and the blade spring 5b to drive the movable part 3.
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