Chemistry: electrical and wave energy – Processes and products – Electrostatic field or electrical discharge
Patent
1979-05-09
1982-04-27
Tufariello, T. M.
Chemistry: electrical and wave energy
Processes and products
Electrostatic field or electrical discharge
20412965, 204206, C25F 302, C25F 314
Patent
active
043269338
ABSTRACT:
Flat metallic varnish-coated metal stampings or laminations to be deburred are conveyed by contiguous vertically aligned pairs of horizontal rollers across the top of a plurality of deburring cells or vats which are continuously overflowing with an electrolyte. Alternate cells are equipped with positively and negatively charged electrodes. The electrolyte is continuously supplied to each of the cells at a rate such that the electrolyte overflows the lips of each cell over which the lamination approaches and retreats from the cell. In this manner, the top surface of the electrolyte is maintained above the top surface of the lamination so that the electrolyte inundates at least the burrs on the edges of the lamination. Current flow from each positive electrode through the electrolyte, the stamped burred edges of the laminations and to the negative electrode causing the burrs on the laminations to be removed by anodic action. Flat metallic sheets selectively partially coated with thin films of impervious material are similarly processed to etch or chemically mill the uncoated portions thereof.
REFERENCES:
patent: 2307928 (1943-01-01), Hogaboom
patent: 2395437 (1946-02-01), Venable
patent: 2490055 (1949-12-01), Hoff
patent: 2569577 (1951-10-01), Reading
patent: 2569578 (1951-10-01), Rieger
patent: 2762763 (1956-09-01), Kenmore
Bloomquist Wilburn M.
Sabatka Winston E.
Finishing Equipment, Inc.
Tufariello T. M.
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