Method of and apparatus for connecting metal strips

Details Method of and apparatus for connecting metal strips Method of and apparatus for connecting metal strips

1987-01-29

1988-08-23

Rowan, Kurt

Metal fusion bonding

Process

With clamping or holding

228 57, B23K 3700, B23K 3102

Patent

active

047655321

ABSTRACT:
A metal strip connecting method for welding the tail end of a preceding metal strip and the forward end of a succeeding metal strip. The tail and forward end portions of the two strips which are clamped by respective clampers are cut to required sizes by cutting means which are respectively mounted on frames secured to tables provided with the clampers and which are movable along a passage extending in the lateral direction of the strips. The cut end faces are butted against each other and welded selectively by flash welding or laser beam welding in accordance with the material of the strips. The flash welding is effected by supplying a flash current between the clampers, and the laser beam welding is effected by means of a laser beam machining head which is mounted on the frame secured to either one of the tables and which is movable along said passage. Further, beads produced by the welding are removed by a pair of upper and lower bead removing means which are mounted on the frame secured to either one of the tables and which are movable along said passage. Also disclosed is an apparatus which may suitably be employed to carry out the above-described metal strip connecting method.

REFERENCES:
patent: 3399450 (1968-09-01), Mize
patent: 3915368 (1975-10-01), Ulmer
patent: 4304977 (1981-12-01), Hanai
patent: 4706871 (1987-11-01), Kajiwara

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