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Intelligent steel rolling accurately-rolled piece tracking and handling method

A processing method and rolling technology, applied in the direction of metal rolling, metal rolling, manufacturing tools, etc., can solve problems such as the inability to meet the needs of the intelligent rolling system, and achieve the effect of improving accuracy

Inactive Publication Date: 2019-09-27
北京宇轩智能科技有限公司
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AI Technical Summary

Problems solved by technology

Traditional rolling stock tracking cannot meet the needs of intelligent rolling system

Method used

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  • Intelligent steel rolling accurately-rolled piece tracking and handling method

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Embodiment Construction

[0042] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0043] Such as figure 1 As shown, the intelligent steel rolling precision rolling stock tracking processing method provided by the present invention includes:

[0044] S1. Obtain the line speed V of the Nth rolling mill n and the line speed V of the N+1 rolling mill n+1 , where N>=1;

[0045] S2. Obtain the moving speed V of the rolled piece 0 relative to V n Forward slip coefficient K 1 ;

[0046] S3. Obtain the moving speed V of the rolled...

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Abstract

The invention relates to an intelligent steel rolling accurately-rolled piece tracking and handling method. The intelligent steel rolling accurately-rolled piece tracking and handling method comprises the steps that the linear speedVn of an Nth rolling mill and the linear speed Vn+1of an N+1th rolling mill are acquired; the forward slip coefficientK1of the rolled piece movement speed V0 relative to Vn is acquired; the backward slip coefficient K2of the rolled piecemovement speedV0 relative to Vn+1 is acquired; the scanning perioddelta T of a programmable logic controller (PLC) system is acquired; according to Vn, K1 and delta T, the rolled piece head position P1 is calculated after steel enters the Nth rolling mill; and according to Vn+1, K2 and delta T,the rolled piece tail position P2is calculated when steel is thrown by the rolled mill. By means of the technical scheme of the intelligent steel rolling accurately-rolled piece tracking and handling method, the tracking accuracy of the rolled piece is improved greatly; and requirements for intelligent steel rolling control can be satisfied.

Description

technical field [0001] The invention belongs to the technical field of intelligent steel rolling, and in particular relates to a method for tracking and processing intelligent steel rolling parts accurately. Background technique [0002] The core technologies of traditional rolling line automation control include rolling piece tracking, speed cascading, speed self-adaptation, speed compensation, micro-tension control, looper control, flying shear control, etc. Whether the rolling piece tracking is accurate or not, and how to apply it, is the basis and key to whether the rolling line can realize intelligent control. [0003] In the traditional long product rolling line automation system, the current rolling piece tracking error range is: 100-200mm in the rough rolling area, 500-1000mm in the middle rolling area, and 1500-3000mm in the finishing rolling area. Under such error conditions, it is impossible to precisely control the rolling line, and all rolling lines need manual...

Claims

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Application Information

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IPC IPC(8): B21B38/00B21B37/72
CPCB21B37/72B21B38/00
Inventor 房继昀
Owner 北京宇轩智能科技有限公司
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