A rolling method for high-strength steel thick-head start-up in a cold tandem rolling mill
A cold tandem rolling mill, high-strength steel technology, applied in mill control devices, metal rolling, metal rolling, etc., can solve the problems of rolling overrun, restricting the capacity of the mill, affecting the stable operation of the mill, and improving the success rate. , Improve the effect of running stability
Active Publication Date: 2022-03-22
ANGANG STEEL CO LTD
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Problems solved by technology
At present, the proportion of high-strength steel produced by cold tandem rolling mills is gradually increasing, and high-strength steel is prone to accidents such as rolling overruns, rolling rolls, and broken strips after restarting the high-strength steel strip. More often, it is necessary to change and roll other thicknesses for production , which seriously affects the stable operation of the unit and restricts the full play of the capacity of the unit
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[0031]
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The invention discloses a rolling method for high-strength steel thick-head start-up of a cold tandem rolling unit. After the high-strength steel broken strip is rolled, the machine can be restarted successfully, which can improve the success rate of restarting the high-strength steel broken strip of the cold tandem rolling unit, and improve the operation stability of the unit. After the implementation of the invention, the success rate of re-starting the broken high-strength steel strip of the cold tandem rolling mill is 100%.
Description
technical field [0001] The invention relates to a method for starting cold-rolled high-strength steel, in particular to a rolling method for high-strength steel thick-head starting of a cold tandem mill. Background technique [0002] With the acceleration of the lightweight process of automobiles, the demand for cold-rolled high-strength steel products is increasing. At present, the proportion of high-strength steel produced by cold tandem rolling mills is gradually increasing, and high-strength steel is prone to accidents such as rolling overruns, rolling rolls, and broken strips after restarting the high-strength steel strip. More often, it is necessary to change and roll other thicknesses for production , seriously affecting the stable operation of the unit and restricting the full play of the capacity of the unit. Contents of the invention [0003] The purpose of the present invention is to provide a rolling method for high-strength steel thick-head start-up of a cold...
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IPC IPC(8): B21B1/22B21B37/16
CPCB21B1/22B21B37/16B21B2001/221
Inventor 孙荣生王静刘仁东辛利峰郭金宇王科强蔡顺达白金波王旭金晓龙
Owner ANGANG STEEL CO LTD