System for making thin metal strip

Details System for making thin metal strip System for making thin metal strip

1983-09-14

1985-09-10

Comes, E. Michael

Metal deforming

With use of control means energized in response to activator...

Metal deforming by use of roller or roller-like tool element

72 16, 72128, 72161, 72201, 72205, B21B 1500, B21B 3702, B21B 4502, B21D 102

Patent

active

045398305

ABSTRACT:
A thin metal strip is made by hot-rolling a strip workpiece, stretch-bend leveling the hot-rolled strip workpiece immediately after hot-rolling it, tensioning the strip workpiece with a predetermined tension while stretch-bend leveling it, and thereafter coiling up the workpiece. In addition the workpiece is rapidly cooled immediately after stretch-bend leveling it and before coiling it up. Thus the workpiece is stretch-bend leveled before it cools so it can be treated while still about 1100.degree. C., at which temperature it is still very plastic. The workpiece can therefore be deformed greatly while under modest tension, so as to produce a very thin product that is very uniform. The tension in the strip merely serves to keep the workpiece looped over as much an arc as possible around the stretch-bending rolls.

REFERENCES:
patent: 1048793 (1912-12-01), Beeman et al.
patent: 3036825 (1962-05-01), Eisenmenger
patent: 3431761 (1969-03-01), Clement
patent: 3924428 (1975-12-01), Noe 72205

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