Wire electric discharge machine and finish machining method of wire electric discharge machine

摘要

In carrying out finish machining by a wire electric discharge machine, a move program for an approach area from a machining starting position to a machined shape is advanced in a discharge-off (dry-run) state, and a discharge-on state is established in a subsequent shape machining block. By doing this, formation of a gouged groove in a machined surface of a workpiece by an approach can be suppressed.