Automatic fillet weld tracing mechanism

Details Automatic fillet weld tracing mechanism Automatic fillet weld tracing mechanism

1981-06-22

1983-08-23

Shaw, C. C.

Electric heating

Metal heating

By arc

21912434, 228 9, B23K 912

Patent

active

044006101

ABSTRACT:
Disclosed is an automatic fillet weld tracing mechanism for two materials to be welded which are arranged stepwise and parallel to each other. A first motor driving mechanism is positioned at a fixed height and vertically reciprocates a first driven member having secured thereto a first sensor, said first sensor being positioned adjacent a first material to be welded with a given gap therebetween. A second driving mechanism is fixed to the first driven member and vertically reciprocates a second driven member to which is attached a second sensor held adjacent a second material to be welded with a given gap therebetween. The second driving mechanism also drives a third driving mechanism via a differential having a predetermined gear ratio. The third driving mechanism vertically reciprocates a third driven member having a welding torch attached thereto, the welding torch being positioned to weld at the gap between the materials. Control means are provided for actuating each of the first and second driving mechanisms in response to a change of the gap sensed by one of the sensors so that the torch is always held at a predetermined position relative to the gap, regardless of changes in the position of the gap.

REFERENCES:
patent: 3694621 (1972-09-01), Wofsey
patent: 4015101 (1977-03-01), Hannappel et al.
patent: 4302656 (1981-11-01), Poth et al.

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