Steel mill processing by rhombic reversal reduction rolling

Details Steel mill processing by rhombic reversal reduction rolling Steel mill processing by rhombic reversal reduction rolling

1998-05-04

2000-07-25

Hail, III, Joseph J.

Metal deforming

By use of roller or roller-like tool-element

Plural roller-couples

722525, 723662, 72467, B21B 1312

Patent

active

06092408&

ABSTRACT:
A steel billet is reduced to a bar in a hot steel mill rolling operation by plural reductions successively produced by passage of a workpiece through a series of reducing mill stands. Each mill stand produces a workpiece having a rhombic shaped cross sectional configuration during a reduction passage through each mill stand. The plastic deformation of the workpiece produced by the rollers in each mill stand not only reduces the cross sectional area of the workpiece but also reverses the major and minor axes of the rhombic cross section of the workpiece during passage through each mill stand.

REFERENCES:
patent: 2038908 (1936-04-01), Scholl
patent: 3243983 (1966-04-01), Norlindh et al.
patent: 3618354 (1971-11-01), Bindernagel et al.
patent: 4211104 (1980-07-01), Barnabo et al.
patent: 4213321 (1980-07-01), Properzi

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