EDM System with abrasive finisher

Details EDM System with abrasive finisher EDM System with abrasive finisher

1979-09-17

1983-01-04

Shaw, C. C.

Electric heating

Metal heating

Cutting or disintegrating

51 5B, 51165TP, 51334, 219 69R, 219 69C, B23P 102

Patent

active

043673899

ABSTRACT:
An electrical discharge machining (EDM) apparatus is rendered capable of finishing machined workpiece surfaces by mounting an abrasive tool assembly on an electrode tool head juxtaposed with the machined workpiece as it is positioned fixedly on an EDM workpiece support. The tool assembly comprises a tool, a drive motor detachably attached to the tool holder and a coupling shank, the tool having a plurality of elongate pieces fixedly mounted on the shank so as to individually project axially therefrom and extending so as to collectively form a forwardly converging body of revolution rotatable about the axis of the shank, the generatrix of the body under revolution serving as an abrading surface. The EDM servo system may be used to sweep the machined surface with the tool body.

REFERENCES:
patent: 3650938 (1972-03-01), Olton et al.
patent: 3696563 (1972-10-01), Rands
patent: 3697403 (1972-10-01), Colwell

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