BRIEF DESCRIPTION OF THE DRAWINGS
The purposes and advantages of the present invention, including those described above, will be clarified with reference to the attached drawings in combination with the description of the embodiment presented below. Of these drawings:
FIG. 1 is a schematic view showing an embodiment of a wire electric discharge machine to which the present invention is applied.
FIG. 2 is a sectional view of section A-A in FIG. 1.
FIG. 3 is a block diagram showing principal parts of a controller that controls the wire electric discharge machine in FIG. 1.
FIG. 4 is a flowchart showing control processing performed by the CPU of the controller in FIG. 3.