Chemistry: electrical and wave energy – Processes and products – Electrostatic field or electrical discharge
Patent
1983-05-12
1984-12-04
Valentine, Donald R.
Chemistry: electrical and wave energy
Processes and products
Electrostatic field or electrical discharge
2041296, 2041297, 20412975, 204212, 204224M, 204284, C25F 314, C25F 700, B23P 112, B23P 114
Patent
active
044862792
ABSTRACT:
An apparatus and means for removing slivers and burrs from machined laminated components utilizes a salt solution, such as sodium nitrate, as the electrolyte which flows between a cathode and the laminated member which is connected to the positive terminal of an electrical power supply. The electrolyte is pumped into the gap between the cathode and laminated component and an electrical current flows between the laminated member and the cathode, removing metal which is deplated or released into the stream of electrolyte. The use of a salt solution, as opposed to an acidic solution, for the electrolyte fluid reduces the need for cleaning and neutralizing the acid remaining on the workpiece and, furthermore, reduces the potential hazards normally associated with the use of acids.
REFERENCES:
patent: 2479302 (1949-08-01), Bondley
patent: 2590927 (1952-04-01), Brandt et al.
patent: 2784155 (1957-03-01), Heinrich
patent: 3409524 (1968-11-01), Olson
patent: 3705843 (1972-12-01), Sickels
patent: 4190513 (1980-12-01), Jumer
patent: 4326933 (1982-04-01), Sabatka et al.
Fromson Robert E.
Nunamaker Charles S.
Scheda Francis A.
Skutch Maria E.
Telfer G. H.
Valentine Donald R.
Westinghouse Electric Corp.
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