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A method of strip rolling

A strip and stand technology, applied in the field of strip rolling, can solve the problems of not meeting customer needs, poor strip quality, low output, etc., to reduce energy consumption, reduce rolling power, and improve quality and quality Effect

Active Publication Date: 2017-10-10
SHOUGANG JINGTANG IRON & STEEL CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] The present invention provides a strip steel rolling method to solve the technical problems of poor quality and low output of the rolled strip steel, which further fails to meet the needs of customers

Method used

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  • A method of strip rolling

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Embodiment 1

[0014] In an embodiment of the present invention, a strip rolling method is disclosed.

[0015] This method is specifically applied to the strip rolling model, which involves the optimization of the secondary setting tension of high-strength steel; the optimization of the rolling strategy of the secondary model of high-strength steel; the technology of automatic roll gap lifting for high-strength steel and thin gauge; force setting.

[0016] Please see figure 1 , in the specific implementation process, the flow process of the strip rolling method is as follows:

[0017] S1, determine the parameters of the strip.

[0018] Specifically, the strip steel parameters include many kinds, such as strip steel width, strip steel thickness, strip steel length and so on.

[0019] When determining the width of the strip, determine the parameters of the strip, specifically: determine whether the strip is trimmed; if the strip is trimmed, use the strip width after trimming as the strip wi...

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Abstract

The invention discloses a rolling method of a steel strip. The rolling method comprises the following steps of firstly, determining parameters of the steel strip; according to the parameters of the steel strip, setting rolling force of each machine frame of a machine frame group; setting the lifting amount of a roll gap of each machine frame when the steel strip passes through the welding seam; finally, according to the rolling force of each machine frame and the lifting amount of the roll gap of each machine frame, rolling the steel strip. The rolling method has the advantages that by adjusting the load distribution and unit tension of each machine frame, the expected target of balanced rolling force of each machine frame is reached; the total rolling power is obviously reduced, and is only equal to the 87.43% of the total consumption power of the original regulation, and the purposes of reducing energy consumption and improving social benefits are realized under the condition of reasonable utilization of rolling equipment; meanwhile, the optimized CVC (continuous variable crown) roll shifting amplitude is obviously reduced, the occurrence of accidents, such as roll over-tightness and belt breakage, is favorably reduced, and the quality of the finished steel strip is improved on the basis of guaranteeing stable production.

Description

technical field [0001] The present application relates to the field of steel rolling, in particular to a strip rolling method. Background technique [0002] Since the pickling production line was put into production, when producing high-strength steel and thin-gauge strip steel, high-strength steel rolling deviations and strip breaks have occurred from time to time. The analysis of the secondary model is not thorough, resulting in no solution for on-site problems, such as: The rolling speed of high-strength steel is low, the distribution of reduction is unreasonable, the setting tension of the rolling mill is low, the power consumption of rolling is large, the distance of roll shifting is long, the length of plate shape is long, etc., these problems will eventually lead to the rolling The quality of strip steel does not meet the needs of customers. On the one hand, it affects the stable supply to high-end users. On the other hand, even if customers can accept it, it will als...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B21B1/22B21B37/00
CPCB21B1/22B21B37/00
Inventor 唐伟张良申延智任新意齐海峰万军韩法王少飞闻杨王飞李靖郭敏
Owner SHOUGANG JINGTANG IRON & STEEL CO LTD
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