| 摘要 |
A wire electric discharge machine configured to perform machining while swinging a wire electrode and comprising a swing frequency counting unit configured to count a swing frequency of the wire electrode, a machining stop unit configured to stop machining by the wire electrode when the swing frequency reaches a predetermined value, and a machining resuming unit configured to drive an axis drive unit to move the wire electrode by a predetermined distance relative to a workpiece after the machining is stopped by the machining stop unit and thereafter to return the wire electrode to a position where the machining is stopped and resume the machining. |
