Electrolysis: processes – compositions used therein – and methods – Electrolytic erosion of a workpiece for shape or surface... – With measuring – testing – or sensing
Patent
1998-03-25
2000-05-09
Valentine, Donald R.
Electrolysis: processes, compositions used therein, and methods
Electrolytic erosion of a workpiece for shape or surface...
With measuring, testing, or sensing
205654, 205686, 2042298, 2042301, 204225, 204224M, B23H 300, C25B 1500
Patent
active
060599545
ABSTRACT:
An electrochemical machining method in which a work piece and a machining electrode are opposed to each other and dipped in an electrolyte solution, and a surface of the work piece is machined by causing an electrolytic reaction between the surface of the work piece and a tip of the machining electrode in a state where a separating distance between the surface of the work piece and the tip of the machining electrode is adjusted and a desired separating distance is maintained, wherein a zero contact reference position where the surface of the work piece and the tip of the machining electrode are brought into contact with each other and the separating distance between the work piece and the machining electrode is nullified is electrically detected, moving distances of the work piece and the machining electrode from the zero contact reference position are detected, a relative separating distance between the surface of the work piece and the tip of the machining electrode is calculated based on a result of the detection and the work piece is machined in a state where the desired separating distance is maintained.
REFERENCES:
patent: 3448024 (1969-06-01), Philpott
patent: 3627667 (1971-12-01), Plofsky
patent: 3650923 (1972-03-01), Berghausen et al.
patent: 4264417 (1981-04-01), Vasiliev et al.
Ataka Tatsuaki
Sakuhara Toshihiko
Suda Masayuki
Seiko Instruments Inc.
Valentine Donald R.
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