X-H rolling method for parallel-flange steel sections...

Details X-H rolling method for parallel-flange steel sections... X-H rolling method for parallel-flange steel sections...

2006-05-16

2006-05-16

Banks, Derris H. (Department: 3725)

Metal deforming

By use of roller or roller-like tool-element

Plural roller-couples

C072S200000, C072S201000, C072S202000, C072S225000, C072S235000, C072S236000, C072S238000, C072S365200, C072S366200

Reexamination Certificate

active

07043953

ABSTRACT:
A method of X-H rolling of a parallel flange steel structural shape or beam with an H cross section using a compact rolling group. In the first universal mill frame the vertical roll have roll surfaces inclined to one another at an angle up to 10° whereas in the second universal mill frame the vertical rolls have cylindrical roll surfaces which divide the H opening cross section with lateral surfaces of the horizontal roll. The structural shape is rolled in the second universal mill frame to up to 100% of the reduction in the first rolling mill frame.

REFERENCES:
patent: 4637241 (1987-01-01), Michaux
patent: 5896770 (1999-04-01), Hioki et al.
patent: 5966977 (1999-10-01), Engel et al.

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