Edge shape control method

A control method and shape technology, applied in contour control and other directions, can solve the problem of inability to adjust and eliminate broken edge waves, and achieve the effect of improving rolling stability and product quality

Active Publication Date: 2013-02-06
SHOUGANG ZHIXIN QIAN AN ELECTROMAGNETIC MATERIALS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The technical problem to be solved by the present invention is to provide a method for controlling the shape of the edge, which solves the problem that the traditional automatic control system of the shape cannot adjust and eliminate the broken edge wave caused by the edge drop control

Method used

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Embodiment Construction

[0031] The edge shape control method provided by the embodiment of the present invention can realize the online control of the edge shape by using the single-tapered work roll equipped with the last stand rolling mill and its online roll shifting. In view of the characteristics of edge breaking, that is, there is edge breaking at about 70mm of the width, corresponding to the detection channels of the ABB shape meter, there are 3 channels for the working side and the driving side of the width respectively. The three channels refer to the part of the edge of the strip corresponding to the three detection channels of the ABB shape meter.

[0032] The invention provides a method for controlling the edge plate shape, including:

[0033] Use the shape meter to detect the shape value of the three effective channels on the working side and driving side of the strip;

[0034] Correct the shape value to obtain the comprehensive shape value of the working side of the strip, that is:

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Abstract

The invention provides an edge shape control method. The edge shape control method includes that a shape detector is used for detecting shape values of a working side and a drive side edge of strip steel; the shape values are amended to obtain a comprehensive plate shape value of the working side and the drive side of the strip steel; a working roll channeling roll value is amended according to the comprehensive shape value of the working side and the drive side; and according to the amended channeling roll value, an upper single taper working roll channeling roll and a lower single taper working roll channeling roll of an end rack are individually controlled on line. By the aid of the edge shape control method, the problem that about 70 mm (millimeter) fragmentary edge wave of a strip width side can not be eliminated by a conventional automatic shape control model is solved, and stability of rolling and quality of a product are improved.

Description

technical field [0001] The invention relates to the technical field of strip shape automatic control, in particular to an edge strip shape automatic control model, which is suitable for cold rolling strip shape control, breaks through the conventional strip shape automatic control model, and improves the strip shape control precision. Background technique [0002] In the traditional flatness automatic control system, the strip tension distribution measured by the flatness meter is a high-order equation, which can be separated into four parts: primary, secondary, quaternary and high-order components after data processing. The primary component is related to the inclination of the roll. Through the calculation of the leveling adjustment, the hydraulic pressure of the upper cylinder on both sides is controlled respectively to make the upper and lower rolls parallel. The secondary component and the quaternary component are related to the hydraulic bending roll, and the bending f...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B21B37/28
Inventor 刘玉金余威王路兵赵运攀范正军陈伟张誉公
Owner SHOUGANG ZHIXIN QIAN AN ELECTROMAGNETIC MATERIALS CO LTD
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