Method for deburring sheet metal parts, such as can covers

Details Method for deburring sheet metal parts, such as can covers Method for deburring sheet metal parts, such as can covers

1980-11-26

1982-01-12

Tufariello, T. M.

Sheet metal container making

Method

Forming or treating metallic closure

20412965, B21D 5140, C25F 314

Patent

active

043099513

ABSTRACT:
Sheet metal parts such as can covers, or the like, are deburred around the edges by an electrochemical treatment step in which the sheet metal to be deburred forms the anode in an alkaline electrolytic bath. The material removal is substantially limited to the location of the stamping burrs and edges around holes in the sheet material by controlling the current flow or current density in response to the physical size of the burr which is mechanically sensed and by properly limiting the duration of the current flow.

REFERENCES:
patent: 2122463 (1938-07-01), Fuller
patent: 2382549 (1945-08-01), Edmonson
patent: 2479302 (1949-08-01), Bondley
patent: 2725352 (1955-11-01), Strobel
patent: 3691654 (1972-09-01), Siegel

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