Metal deforming – With use of control means energized in response to activator... – Including plural sensors or sensor responsive to comparison...
Patent
1985-05-21
1988-06-14
Spruill, Robert L.
Metal deforming
With use of control means energized in response to activator...
Including plural sensors or sensor responsive to comparison...
72201, 72236, B21B 3706, B21B 2710
Patent
active
047503432
ABSTRACT:
The device for the detection and regulation of the planeness of strip-shaped rolled products, especially thin-gage strips (1), for cold rolling mills comprises a planeness measuring system with individual measuring elements, which system includes, for example, a planeness measuring roller (3) composed of individual measuring disks (4) with force measuring transmitters arranged along the circumference. By the planeness measuring roller (3), the strip tensile stress is measured over the strip width (5), from which is calculated the longitudinal distribution (.DELTA.L/L) over the strip width as a characteristic variable for the strip planeness. Regulation of the strip tensile stress is effected by installations for cooling and/or lubrication and/or bending and/or pivoting of the rolls. Measuring units (6) for measuring the position of the strip edges (7, 8) with respect to the planeness measuring roller (5) and detecting the thus-given overlapping of the measuring disks (4), located in the zone of the strip edges (7, 8), of the measuring roller (3), by the strip (1) are arranged on both sides of the traveling strip, for an exact determination of the strip tensile stress in the marginal zones of the strip (1).
REFERENCES:
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patent: 4528756 (1985-07-01), Ichihara
patent: 4706480 (1987-11-01), Svatos
"Regelung der Bandplanheit in Kaltwalzwerken" BBC-Nachrichten, by Von Reinhard Oberhaus, Heft 11, 1980, pp. 451-456.
"Automatic Flatness Control System for Cold Rolling Mills", Iron and Steel Engineer, Jun. 1979, by Ake Nilsson, pp. 55-60.
"Control of Strip Flatness in Cold Rolling Mills", Reinhard Oberhaus, BBC Publication No. D1A144080E, Germany, pp. 1-7.
Barten Axel
Richter Gerhard
Richter Hans-Peter
Katz Steven B.
Spruill Robert L.
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