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Cold-rolled super-thin CVC plate shape control method

A shape control and ultra-thin technology, applied in metal rolling, profile control, metal rolling, etc., can solve the problems of frequent broken belt accidents, hard to control the shape of the shape, and large wave shape, etc., to achieve good shape and improve The qualified rate of plate shape and the effect of plate shape improvement

Inactive Publication Date: 2017-12-08
BENGANG STEEL PLATES
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Problems solved by technology

[0004] The purpose of the present invention is to provide a cold-rolled ultra-thin CVC plate shape control method to solve the problems in the prior art that there are frequent belt breakage accidents, and the plate shape is not easy to control, and the wave shape is relatively large.

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Embodiment Construction

[0021] In the present invention, relevant terms are explained as follows:

[0022] Plate shape: Intuitively speaking, it refers to the degree of warpage of the plate, and its essence refers to the distribution of internal residual stress. The plate shape includes the vertical and horizontal dimensions of the strip. Longitudinal usually refers to straightness (wave shape), that is, the degree of flatness along the length of the strip. The transverse direction refers to the cross-sectional shape of the plate, that is, the thickness distribution in the width direction of the plate, including the convexity of the plate, thinning of the edge, etc. Among them, the convexity of the plate is the representative index of the transverse plate shape.

[0023] Flatness of plate: The straightness of plate and strip refers to the distribution of internal residual stress. During the deformation process of plate and strip rolling, each narrow part of the good plate shape along the width of t...

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Abstract

The invention relates to the field of cold rolling, in particular to a cold-rolled super-thin CVC plate shape control method. The method comprises the following specific processes that a single-rack 6-roller CVC rolling mill contact type plate shape detection technology is adopted, and two sets of plate shape instrument detection systems are assembled at an inlet and an outlet of a rolling mill; the whole roller body and segmented pressure induction structure manner is adopted for configured plate-shaped rollers, a pressure sensor is arranged on each section of each plate-shaped roller, and only one signal is fed back when each plate-shaped roller rotates in a circle; and the pressure sensors detect the pressure of all the sections of the strip steel in the width direction, and the pressure is reflected by the strength of output electric signals. The cold-rolled super-thin CVC plate shape control method solves the problems that the belt breakage accident happens frequently, the plate shape is difficult to control, and the wave shape is large in the prior art.

Description

technical field [0001] The invention relates to the field of cold rolling, in particular to a method for controlling the shape of a cold-rolled ultra-thin CVC plate. Background technique [0002] CVC is the English abbreviation of Continuously Variable Croun. The so-called CVC rolling mill refers to processing the work rolls into CVC rolls with S-shaped roll bodies in order to meet the needs of adjusting the crown and shape of the hot strip steel plate. The upper and lower work rolls are inverted 180 degrees to each other. , so that the rolling mill with the ability to continuously change the shape of the no-load roll gap when the work roll moves axially. [0003] Cold-rolled products occupy an important position in the national economy due to their excellent product quality. With the rapid growth of my country's GDP, cold-rolled products are more and more widely used in the national economy, from daily necessities to construction and mechanical parts Cold-rolled products ca...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B21B37/30B21B37/44B21B38/02B21B1/40
CPCB21B37/30B21B1/40B21B37/44B21B38/02
Inventor 张文鑫
Owner BENGANG STEEL PLATES
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