JPH0382121U - - Google Patents

Description

[Brief explanation of the drawing]

FIG. 1 is a schematic diagram showing a wire electrical discharge machining device according to an embodiment of the invention, FIGS. 2 and 3 are conventional wire electrical discharge machining devices, FIG. 2 is a schematic diagram, and FIG. 3 is a manual wire electrical discharge machining device. 1 is a schematic diagram of a tensioning device; FIG. In the figure, 10 is a wire electrode, 50 is a second upper wire guide unit, 52 is a second lower wire guide unit, 58 is an idler, and 60 is a wire electrode recovery means. In addition, in the figures, the same reference numerals indicate the same or equivalent parts.

Claims (1)

[Scope of utility model registration request] An upper wire guide means which is provided at a position shifted by a certain distance from the first wire path through which the wire electrode is fed and which holds and guides the wire electrode, a lower wire guide means, and a wire guide means which is provided below the lower wire guide means. A wire electrical discharge machining apparatus comprising: an idler that changes the feeding direction; and a winding and collecting means that winds and collects the wire electrode whose direction has been changed by the idler.