Method of and installation for spot-welding by laser beam

Details Method of and installation for spot-welding by laser beam Method of and installation for spot-welding by laser beam

1984-06-18

1986-12-02

Paschall, M. H.

Electric heating

Metal heating

By arc

219121LD, 219121LM, 219121LV, B23K 2600

Patent

active

046266534

ABSTRACT:
Method of and installation for spot-welding by laser beam, the method characterized in that the focusing means (3) undergoes displacement so that the point of focus (4) of the beam on the workpieces (4, 5) describes at least a path which is closed upon itself and of which the surface area of fusion obtained corresponds to the desired spot weld.
The invention is applied to the welding of superposed workpieces.

REFERENCES:
patent: 3619550 (1971-11-01), Matthews
patent: 4461947 (1984-07-01), Ward

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