Chemistry: electrical and wave energy – Processes and products – Electrostatic field or electrical discharge
Patent
1987-07-06
1989-04-11
Valentine, Donald R.
Chemistry: electrical and wave energy
Processes and products
Electrostatic field or electrical discharge
2041297, 20412965, 204206, 204237, 204211, 204225, 204224M, B23H 310, B23H 732, B23H 736
Patent
active
048203904
ABSTRACT:
In an electrochemical machining system a continuous web metal is moved through a working region around a conductive roller in electrical contact therewith. Part-cylindrical cathodes are disposed coaxially with the roller a slight distance radially therefrom to define a working gap between the cathodes and the web. The positive and negative terminals of a DC source are respectively connected to the roller and the cathodes and an electrolyte fluid is injected under pressure through bores in the cathodes into the working gap and removed therefrom through other bores in the cathodes or establish a current flow between the web and the cathode for removing material from the former. Retainers confine the electrolyte emitting laterally from the working gap, and electrolyte falling vertically therefrom is collected in a basin. The speed of movement of the web around the roller may be varied as a function of the thickness of the machined web. Longitudinal grooves may be utilized on the cathodes to provide a longitudinal ribbed configuration in the machined web.
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The Interlake Companies, Inc.
Valentine Donald R.
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