Method and Apparatus for Manufacturing Asymmetrical Roll-Formed Sections
OwnerMark Yefimovich Doktorov, Nataliya Leah Doktorov-Boyko +1inventors
InventorsMark Yefimovich Doktorov, Nataliya Leah Doktorov-Boyko, Semion Doktorov
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Abstract
A roll-forming station for forming asymmetrical sheet metal beams with unequal flanges, where both of the unequal flanges contact the rolls simultaneously and where the diameters of the rolls are such that the bending moments applied to the unequal flanges are identical in magnitude. This prevents lateral displacement of the workpiece during forming.
Claims8
A roll stand, comprising:
- a first roll for forming a first flange of a sheetmetal beam;
- a second roll for forming a second flange of a sheetmetal beam, said
- second flange a different length from the first flange;
- such that when the sheetmetal beam enters the roll stand, the first flange contacts the first roll at the same time as the second roll contacts the second flange.
A method of manufacturing a sheetmetal beam comprising a first flange and a second flange, the first flange not equal in length to the second flange, comprising at least one roll-forming step where the first flange contacts a roll at the same time as the second flange contacts a roll, and where the bending moment applied to the first flange is identical in magnitude to the bending moment applied to the second flange.
Dependencies are inferred from the claim text.