Process for the production of a shaped parts from pieces of shee

Details Process for the production of a shaped parts from pieces of shee Process for the production of a shaped parts from pieces of shee

1987-12-18

1989-05-02

Albritton, C. L.

Electric heating

Metal heating

By arc

B23K 2600

Patent

active

048271004

ABSTRACT:
A process for making a shaped member from sheet metal pieces (37,38) of different thicknesses. In the process flat sheet metal pieces (37,38) are butt welded at their cut edges by laser beam welding. Then the unit, welded together from a number of sheet metal pieces (37,38) of different thickness, are converted into a shaped member by pressing or deep drawing. Since the material of sheet metal pieces (37,38) is not much affected by laser beam welding and the laser-beam-welded joint (39) does not expand much, the joint (39) has no adverse effect on shaping, nor is any anti-corrosion protection, for example, of zinc lost during laser beam welding.

REFERENCES:
patent: 4315132 (1982-02-01), Savrin et al.
patent: 4377735 (1983-03-01), Minamida et al.

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