Metal deforming – With use of control means energized in response to activator... – Sensing work or product
Patent
1987-09-21
1989-08-29
Larson, Lowell A.
Metal deforming
With use of control means energized in response to activator...
Sensing work or product
72 8, 72 11, 72 14, 72 20, 72240, 72245, B21B 3714
Patent
active
048605646
ABSTRACT:
A method and apparatus for rolling a taper in or out of a strip during reduction by a rolling mill, rolling a first portion of the strip by employment of a gaugemeter roll gap control system using a first value for the mill stretch above the natural mill stretch value for the mill and which value during the rolling of the first portion will be a fixed value, thereafter rolling a second portion of the strip in the same rolling operation by using a value for the mill stretch in the gaugemeter roll gap control system which will vary to effect a change in the roll gap and hence a change in reduction of the strip in which the second value may be a linear function.
REFERENCES:
patent: 3380277 (1968-04-01), Mulflur
patent: 3906764 (1975-09-01), Mueller
patent: 4126026 (1978-11-01), Fapiano
patent: 4555922 (1985-12-01), Ginzburg
Wright, H., "The Hydraulic Position Controlled Mill and Automatic Gauge Control", Steel Times International, Mar., 1979.
Wright, H., "Applications and Advantages of Hydraulic AGC", Iron and Steel International, Dec., 1978.
Dendle, D. W., "Hydraulic Position-Controlled Mill and Automatic Gauge Control", Flat Rolling-A Comparison of Rolling Mill Types, Proceedings, University College, Cardiff, Sep. 26-29, 1978, pp. 103-111.
Katz Steven B.
Larson Lowell A.
United Engineering Inc.
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