Metal treatment – Compositions – Heat treating
Patent
1986-02-04
1988-07-05
Stallard, Wayland
Metal treatment
Compositions
Heat treating
266 54, 266 60, 266 61, B23K 704, B23K 710
Patent
active
047552328
ABSTRACT:
A method and apparatus for mechanically controlling the flame cutting and/or connection welding of workpieces. The difficulty encountered during the mechanized burning of holes in vessels, containers or tanks and the welding of connecting members into these holes is that the cutting and welding apparatus need to be guided in such a way that not only do they not contact the surface of the vessel, container or tank, but they are also kept a fixed distance from this surface. Therefore, control of the cutting and/or welding process is effected in conformity with the actual dimensions of the workpiece that is being worked on. In particular, this control is undertaken in conformity with the circumferential line of the hole for a given connecting member, and also in conformity with the curved surface of the vessel, container or tank. The peripheral line of the connecting member is first sensed and is graphically or electromagnetically recorded. The subsequent control of the cutting and/or welding process is then effected by following this recorded line.
REFERENCES:
patent: 2154974 (1939-04-01), Cook
patent: 2172313 (1939-09-01), Young
patent: 4148467 (1979-04-01), Sargeant
patent: 4219370 (1980-08-01), Hoaglin et al.
Roll Paul
Thones Gustav
L. & C. Steinmuller GmbH
Stallard Wayland
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