Taper machining device in wire-cut electrical discharge apparatu

Details Taper machining device in wire-cut electrical discharge apparatu Taper machining device in wire-cut electrical discharge apparatu

1989-09-28

1991-04-30

Evans, Geoffrey S.

Electric heating

Metal heating

Cutting or disintegrating

219 6913, B23H 706

Patent

active

050120638

ABSTRACT:
A taper machining device in a wire-cut electrical machining apparatus. The taper machining device includes an upper wire guide and a lower wire guide defining upper and lower bending points of a wire electrode. The wire electrode slantingly extends under tension between the upper and lower wire guides. One of the upper and lower bending points serves as a reference point and the remaining bending point is movable in a horizontal plane. The movable range of the remaining bending point is understood as being within a circle located at the bottom of a conical body whose apex is coincident with the bending point which serves as the reference point. The conical body has an apical angle twice as large as an allowable maximum inclination angle of the wire electrode.

REFERENCES:
patent: 3731044 (1973-05-01), Ullmann et al.
patent: 3849624 (1974-11-01), Dulebohn et al.
patent: 4431896 (1984-02-01), Lodetti
patent: 4678976 (1987-07-01), Inoue
patent: 4736086 (1988-04-01), Obara
patent: 4740667 (1988-04-01), Obara
patent: 4751362 (1988-06-01), Girardin

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