Method of controlling the rolling efficiency in hot rolling

Details Method of controlling the rolling efficiency in hot rolling Method of controlling the rolling efficiency in hot rolling

1982-09-30

1986-08-12

Smith, Jerry

Boots, shoes, and leggings

72 7, 72 8, 72 11, 432 11, 432 18, 266 80, G06F 1546, B21B 3700, F27D 300, G06G 764

Patent

active

046060065

ABSTRACT:
A method of controlling the rolling efficiency in a continuous hot rolling process. A rolling schedule and a conveying schedule are determined on a mill line for the slabs arranged in succession based on an aimed extraction temperature of the slabs from a heating furnace and a predetermined temperature at the exit of a finish mill. A minimum extraction pitch is calculated for the slabs from the heating furnace under restriction of the side of the mill line, and a different minimum extraction pitch is calculated for slabs from the heating furnace under restriction of the side of the heating furnace based on slab temperature charged to the heating furnace and the aimed extraction temperature. An optimum extraction pitch is determined for slabs from the heating furnace by comparing both of the minimum extraction pitches. With such a method, the continuous hot rolling operation is carried out under an optimum condition.

REFERENCES:
patent: 3695594 (1972-10-01), Hollander
patent: 4004138 (1977-01-01), Morooka et al.
patent: 4037087 (1972-07-01), Foulds
patent: 4223385 (1980-09-01), Miller et al.
patent: 4338077 (1982-07-01), Shibayama et al.
patent: 4373364 (1983-02-01), Tanimoto et al.
patent: 4501522 (1985-02-01), Wakamiya

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