Chemistry: electrical and wave energy – Apparatus – Electrolytic
Patent
1983-05-12
1984-06-26
Williams, Howard S.
Chemistry: electrical and wave energy
Apparatus
Electrolytic
204224M, 20412925, 2041295, 5116583, C25F 700, C25F 314, B24B 3304, B24B 4904
Patent
active
044565160
ABSTRACT:
An apparatus is provided which machines a generally cylindrical shaft in such a way so as to improve its roundness. A bracket is shaped to be slidably associated with the shaft in a two point contact. The bracket has a measuring means attached to it which measures the distance between a portion of the shaft's surface and a chordal line drawn between the two points of contact between the bracket and the shaft. Also provided is a means for electrochemically removing material from the surface of the shaft in response to a signal received from the measuring means which is amplified prior to being transmitted to a cathode portion of the electrochemical machining apparatus. Variations of the roundness machining apparatus incorporate placements of the cathode at various arcuate distances from the measuring means. The cathode is connected in electrical communication with the negative pole of a power supply and the shaft is connected in electrical communication with a positive pole of the power supply and a continuous flow of electrolyte fluid is provided between the cathode and the shaft.
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Telfer G. H.
Westinghouse Electric Corp.
Williams Howard S.
Williams T. L.
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