Method and apparatus for controlling the gap conditions in trave

Details Method and apparatus for controlling the gap conditions in trave Method and apparatus for controlling the gap conditions in trave

1985-10-16

1987-04-21

Pellinen, A. D.

Electric heating

Metal heating

Cutting or disintegrating

219 69G, 219 69W, B23H 102, B23H 702, B23H 732

Patent

active

046598936

ABSTRACT:
An arrangement for applying an electromagnetic force on the electrode wire of a travelling wire EDM apparatus by passing through the workpiece an auxiliary current parallel to the current flowing through the electrode wire, in one direction or the other. The points of application of the auxiliary current on the surface of the workpiece are disposed opposite to the front of a cut relative to the electrode wire in order to obtain a resultant force which either pulls the electrode wire away from the front of the cut or draws it closer to the front of the cut.

REFERENCES:
patent: 4205212 (1980-05-01), Ullmann et al.
patent: 4329558 (1982-05-01), Martin
patent: 4366358 (1982-12-01), Inoue
patent: 4379960 (1983-04-01), Inoue
patent: 4459455 (1984-07-01), Inoue
patent: 4559432 (1985-12-01), Itoh

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