Control method of special hot rolled sheet to plus pressure

Abstract

A control method of special steel hot-rolling variable gain reduction of the invention, belongs to steel rolling technique field, the method is a steel rolling method that the special steel (including stainless steel, silicon steel and so on) strip steel automatically controlled by computer and software program is rolled by the finishing mill to realize variable gain reduction control, including: 1. completing set, storage, management, control of the parameter model and transferring to rolling mill control step computer based on the rolling steel kind and specification, rolling strip steel thickness, width and biting steel time delay, variable gain reduction and so on series parameter definite thereout by the parameter management step computer; 2. realizing reduction position, reduction position bounce amount, strip steel time delay biting steel and so on strip steel variable gain reduction control steel rolling method controlling automatically rolling mill by the rolling mill control step computer, the method makes finishing mill hydraulic pressure reduction control automatic, continuous, precise and eliminates phenomenon of vibration of the rolling mill stand, abnormal action of the reduction and loop, hydraulic pipeline and equipments easy to be damaged, ensuring safe production and equipment, the special steel rolling method controlled by the computer realizes producing automation, product with high quality, rolling mill with safety, the new steel rolling method is technique independent innovation and improves technique and lever of rolling the special steel.

Description

1. Technical field [0001] The invention discloses a method for controlling special steel hot rolling with variable gain reduction, which belongs to the technical field of steel rolling, and in particular relates to a control method for hot continuous rolling of special steel (including stainless steel, silicon steel, etc.) with variable gain reduction and finish rolling. 2. Background technology [0002] The hot continuous rolling of special steel (including stainless steel, silicon steel, etc.) generally adopts a finishing mill. Quality and quality. Due to the various types of rolled strip steel, the difference of rolled strip steel is very large, resulting in a difference of more than 30% in the rolling load of different strip steel. And because the rolling load of special steel strip steel (such as stainless steel) is greater than about 50% of ordinary steel, it is very easy to cause vibration of the rolling mill frame. Quality and quality of rolled products. The rando...

AI Technical Summary

Problems solved by technology

And because the rolling load of special steel strip steel (such as stainless steel) is greater than about 50% of ordinary steel, it is very easy to cause vibration of the rolling mill frame. Quality and quality of rolled products

The random vibration of the rolling mill rack can also cause damage to hydraulic pipelines and equipment machinery, with serious consequences

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