Electric heating – Metal heating – By arc
Patent
1991-01-31
1992-05-19
Albritton, C. L.
Electric heating
Metal heating
By arc
21912176, B23K 2600
Patent
active
051151154
ABSTRACT:
In flexible apparatus for welding different types of motor-vehicle body in which the bodies, assembled loosely beforehand, are supplied to a welding station provided with a plurality of locating devices for clamping the component parts of the body in the correct positions for welding and with welding means for welding the component parts of the body together after they have been clamped by the locating devices, the locating devices are supported by at least two pairs of locating frames which are movable along a predetermined path so as to be interchangeable rapidly at the working position in accordance with the type of body located at the welding station to be welded, the locating devices of each pair of locating frames being suitable for a respective type of body. The welding means comprise one or more laser-welding robots. Each locating device has an element for engaging the body, the element having a through hole for allowing the passage of a laser beam output by a welding robot and the focussing of the beam on a point on the body to be welded.
REFERENCES:
patent: 4162387 (1979-07-01), DeCandia
patent: 4973817 (1990-11-01), Kanno et al.
Albritton C. L.
Comau S.p.A.
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