Method of producing steel H-sheet pile

Details Method of producing steel H-sheet pile Method of producing steel H-sheet pile

1982-10-27

1985-11-05

Combs, E. Michael

Metal deforming

By use of roller or roller-like tool-element

Plural roller-couples

B21B 110, B21B 1308

Patent

active

045505829

ABSTRACT:
A method of producing a steel H-sheet pile from a beam blank of an H-shape cross section, symmetrical in the vertical and lateral directions, and prepared through blooming rolling or continuous casting including a first step wherein a breakdown mill having a preparatory step forming caliber and a forming caliber is used to form the beam blank in such a manner that in the preparatory step forming caliber the beam blank is changed into an asymmetrical shape in the vertical direction and subsequently, in the forming caliber, the beam blank is rolled to have a socket and projections; a second step wherein a group of roughing universal mills is used to roll the beam blank in such a manner that in a roughing universal mill mainly the web and flanges are reduced in thickness while in a sizing universal mill the outer surfaces of the flanges are pressed by vertical slots thereof while the end portions of the flanges are sized-rolled by horizontal rolls thereof; a third step wherein a joint portion at the end portion of the flange is subjected to bending between a first roller having a projection for defining a bending position of said joint portion and a second roller having a projection for bending the joint portion and a fourth step wherein a finishing universal mill is used to finish-roll the beam blank to provide the steel H-sheet pile.

REFERENCES:
patent: 4086801 (1978-05-01), Nakajima et al.

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