Reduced energy consumption method for rolling bars or wire rods

Details Reduced energy consumption method for rolling bars or wire rods Reduced energy consumption method for rolling bars or wire rods

1984-04-13

1985-07-16

Combs, E. Michael

Metal deforming

By use of roller or roller-like tool-element

With modification or control of temperature of work, tool or...

72228, B21B 118, B21B 4100, B21B 4502

Patent

active

045288348

ABSTRACT:
Bars and wire rods are rolled from billets or blooms in the disclosed process which includes a primary rolling step resulting in an intermediate material, a secondary rolling step and a heat treatment. The primary (first) rolling step includes rolling the billet or bloom steel material into an intermediate material at a mass flow rate to enable it to be maintained during the primary rolling within a temperature range corresponding to a predetermined deformation resistance level of the steel material. This predetermined deformation resistance level is selected so as to take advantage of an opportunity to save energy. The intermediate material resulting from primary rolling is coiled and its temperature is adjusted so as to maintain the intermediate material at a desired starting temperature for the secondary rolling step. The desired starting temperature for secondary rolling is related to a desired starting temperature for the heat treatment following the secondary rolling enabling heat treatment to be carried out in line.

REFERENCES:
patent: 2658741 (1953-11-01), Schmidt et al.
patent: 3486359 (1969-12-01), Hein
patent: 3625043 (1971-12-01), Neumann et al.
patent: 3729972 (1973-05-01), Kocks
Iron & Steel, H. M. Boylston, 2nd Edition, 1936, pp. 360, 361.
The Making, Shaping and Treating of Steel, 1957 Edition, pp. 587, 591, 594.

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