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A Method to Solve the Wrinkles of Thin Strip Steel in the Process of Coiling and Threading

A thin strip steel, take-and-thread strip technology, applied in metal rolling, manufacturing tools, metal processing equipment, etc., can solve problems such as unqualified steel coil products, strip threading wrinkles, coiling thin strip steel wrinkles, etc., to improve Effects of quality, reduced shock, fast rolling rhythm

Active Publication Date: 2018-08-03
BEIJING SHOUGANG AUTOMATION INFORMATION TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0013] The purpose of the present invention is to provide a method to solve the wrinkling phenomenon in the strip threading process caused by the deviation of the coiled thin strip steel when the scissors are far away from the coiler; it is suitable for the automatic control of strip threading in the processing line with similar situations The system can well solve the phenomenon of belt threading wrinkles, thus solving the problem of unqualified steel coil products caused by wrinkles

Method used

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  • A Method to Solve the Wrinkles of Thin Strip Steel in the Process of Coiling and Threading
  • A Method to Solve the Wrinkles of Thin Strip Steel in the Process of Coiling and Threading
  • A Method to Solve the Wrinkles of Thin Strip Steel in the Process of Coiling and Threading

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Embodiment Construction

[0036] The following is an analysis of the automatic belt threading process of the exit coiler of a company's galvanized production line to illustrate the control effect of adding the pre-control function of the steering pinch roller and reducing the added value of the speed.

[0037] In the production process, after the export coiling preparation sequence is completed, follow the usual automatic belt threading control process (such as figure 2 shown) for automatic threading, when using 2# coiler to coil the steel strip below 0.7mm in thickness, when the head of the strip reaches the shaft position of 2# coiler and the coiler switches to the torque control process , it is obvious to see that there is a wrinkle with a distance of about 2 meters on the drive side of the 1# turning pinch roller. During the continuous coiling process, it can be seen that there are wrinkles in the coiling circles, which seriously affects the coiling quality. After this kind of situation takes pla...

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Abstract

The invention provides a method for preventing a thin steel strip from wrinkling in coiling and passing processes, and belongs to the technical field of steel rolling. The method is characterized in that the pre-controlling on a turning roller and the change on the added value of speed under the torque control of a coiling machine in the passing process are added in a traditional automatic passing control method, and thus the wrinkling caused by deflection in long-distance passing can be overcome; meanwhile, the efficient rolling frequency is ensured.

Description

technical field [0001] The invention belongs to the technical field of steel rolling control, and in particular relates to a strip threading control system for rolling thin strip steel in a cold-rolled strip steel processing production line. The control method of wrinkling phenomenon in . Background technique [0002] In the strip steel cold rolling processing production line, fast rolling rhythm and smooth strip threading are of great significance in strip steel production efficiency and product quality. The smooth threading of the cold-rolled strip is an important part of the strip production process. If the threading cannot be carried out smoothly, it will not only affect the rolling rhythm of production, but also may cause the quality of the product to be affected due to strip wrinkles. [0003] The strip threading control of the coiler at the exit section of the cold rolling processing line is mainly realized by the orderly actions of steering pinch rolls, pressure rol...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B21B15/00
CPCB21B15/00B21B2015/0057B21B2273/06
Inventor 赵德文李洁古常青孙燕京庄严王贺王大川
Owner BEIJING SHOUGANG AUTOMATION INFORMATION TECH
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