Apparatus and method for electropolishing metal workpieces

Details Apparatus and method for electropolishing metal workpieces Apparatus and method for electropolishing metal workpieces

1993-05-04

1995-01-03

Valentine, Donald R.

Chemistry: electrical and wave energy

Processes and products

Electrostatic field or electrical discharge

204273, 204275, 204278, 204224M, C25F 316, C25F 700

Patent

active

053783310

ABSTRACT:
An apparatus and method especially adapted for electropolishing reactive metal workpieces which require aggressive electrolytes. It incorporates a single, closed, pressure-tight polishing chamber into which metal workpieces are placed for a multi-step operation. All electrolyte cleaning and rinse fluids are pumped in and out of the chamber as required for sequential operations, and vacuum assisted purging and dying removes the electrolyte or polishing residue from the chamber after each step.

REFERENCES:
patent: 3658684 (1972-04-01), Sickels
patent: 3772163 (1973-11-01), Jumer
patent: 3841990 (1974-10-01), Sasaki et al.
patent: 4082623 (1978-04-01), Musbach
patent: 4082638 (1978-04-01), Jumer
patent: 4082640 (1978-04-01), Haack
patent: 5135632 (1992-08-01), Weber

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