Seam roller for tube mill

Details Seam roller for tube mill Seam roller for tube mill

1976-08-04

1978-03-28

Goldberg, E. A.

Electric heating

Metal heating

Of cylinders

219 67, 219 617, B23K 3106

Patent

active

040816494

ABSTRACT:
A tube mill which employs circular rotating electrodes for welding the edge seam along with means within the continuous tube for rolling the welded seam. An arm extends into the tube and carriers a rotating roller that contacts the seam just downstream from the point where welding occurs. A connector affixed to the arm extends upward through the region between the converging edges of the strip to a pivot pin. An air cylinder is arranged to rock the arm about the pivot pin and force the roller upward against the undersurface of the hot seam close to the circular welding electrodes to produce a smooth surface. The upper section of the arm carries a pair of rotatable discs of different thicknesses which guide the converging edges of the strip into proper position for welding. The arm carries a pipe which directs fluid past the roller to blow weld spatter downstream while simultaneously cooling the roller. Preferably, an inert gas flow is maintained past the roller at a velocity between 500 and 3000 feet per second.

REFERENCES:
patent: 2400889 (1946-05-01), Ridder
patent: 3131285 (1964-04-01), Kohler

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