Electrode cutting apparatus for wire cut electric discharge mach

Electric heating – Heating devices – With current connection and/or disconnection means

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219 69W, 219 69E, 83926B, 83171, B23P 108

Patent

active

046187618

ABSTRACT:
A wire electrode cutting apparatus for use in a wire-cut electric discharge machine mounted between a supply section for the wire electrode and a pulling section therefor, and comprising a device for applying a constant tensile force to the wire electrode and for sensing that the constant tensile force has been applied thereto, and a power supply for applying an electric current to the wire electrode to heat the same when a predetermined tensile force has been applied thereto.

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patent: 3822374 (1974-07-01), Ullmann et al.
patent: 3912899 (1975-10-01), Lehmann et al.
patent: 4242559 (1980-12-01), Roemer et al.
patent: 4277996 (1981-07-01), Spengler
patent: 4367392 (1983-01-01), Girardin
patent: 4379959 (1983-04-01), Inoue

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