Core retaining apparatus for wire-cut electro-discharge machine

Details Core retaining apparatus for wire-cut electro-discharge machine Core retaining apparatus for wire-cut electro-discharge machine

1990-03-22

1991-02-26

Evans, Geoffrey S.

Electric heating

Metal heating

Cutting or disintegrating

269 20, B23H 702

Patent

active

049964062

ABSTRACT:
A core retaining apparatus for a wire-cut electro-discharge machine which is capable of effectively and reliably retaining a core cut out of a workpiece by wire-cut electro-discharge machining when the core is removed to a position outside the machining area. The core retaining apparatus comprises a core retaining element for retaining a core cut out of a workpiece, the element being elastic and having a space therein, and pressure control elements for maintaining the pressure inside the space at a desired value.

REFERENCES:
patent: 3209623 (1965-10-01), Schardt
patent: 3998444 (1976-12-01), Stockwell
patent: 4484052 (1984-11-01), Inoue
patent: 4661678 (1987-04-01), Wavre
patent: 4745253 (1988-05-01), Girardin

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