Electric heating – Metal heating – Cutting or disintegrating
Patent
1989-06-01
1992-02-04
Evans, Geaffrey S.
Electric heating
Metal heating
Cutting or disintegrating
219 6911, B23H 702, B23H 726
Patent
active
050862030
ABSTRACT:
A wire electric discharge machining apparatus wherein workpiece and a wire supported by a pair of guides are moved relative to each other in an X-axis direction and a Y-axis direction, one of the guides being moved relative to the other guide in two directions in a horizontal plane for performing a machining operation. The apparatus comprises the pair of guides, a frame, rails mounted on a column, a U-axis moving unit, and a V-axis moving unit. One of the guides is mounted on the frame. The V-axis moving unit on which the other guide is mounted is mounted movably on the U-axis moving unit in parallel with the Y-axis. The frame and the U-axis moving unit are arranged in alignment with the rails.
REFERENCES:
patent: 3731043 (1973-05-01), Ullmann et al.
patent: 3731044 (1973-05-01), Ullmann et al.
patent: 4114015 (1978-09-01), Vasiliev et al.
patent: 4733041 (1988-03-01), Obara
patent: 4808787 (1989-02-01), Futamura
Kobayashi Kazuo
Maruyama Osamu
Miyahara Hitoshi
Nishikizawa Hidemaru
Shimomoto Hironori
Evans Geaffrey S.
Hitachi Seiko Ltd.
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