Wire electrode feed system for electrical discharge machining

Details Wire electrode feed system for electrical discharge machining Wire electrode feed system for electrical discharge machining

1974-12-12

1977-04-05

Reynolds, Bruce A.

Electric heating

Metal heating

Cutting or disintegrating

B23P 108

Patent

active

040163954

ABSTRACT:
A wire feed system for an electrical discharge machining apparatus and machine tool. The workpiece is supported for movement along two coordinate axes in the X- and Y-direction through electrically controlled stepping motors in a manner which is well known to the art. The electrode is of a wire or band configuration and is so supported, guided, and driven that the cutting portion of the electrode which is aligned with the workpiece before and during cutting remains properly oriented and travels without bend or distortion in its path. The improvements in the support and drive mechanism for the wire electrode include a particular arrangement of driving and driven rollers for providing a constant pulling force on the wire and a set of orthogonally oriented guide rollers for holding the wire electrode in a predetermined path proximate the workpiece.

REFERENCES:
patent: 2974216 (1961-03-01), Inoue
patent: 3636296 (1972-01-01), Semin
patent: 3731043 (1973-05-01), Ullmann et al.
patent: 3822374 (1974-07-01), Ullmann et al.
patent: 3849624 (1974-11-01), Dulebohn
patent: 3891819 (1975-06-01), Ullmann et al.

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