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FEM analysis of 304 stainless steel strip flatness control |
MA Yong-lin,GONG Mei-na, XING Shu-qing, LI Zhi-feng |
Material and Metallurgy School, Inner Mongolia University of Science and Technology,Baotou 014010, Nei Mongol, China |
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Abstract In order to determine the effect of the intermediate roll shifting on the strip flatness, the dynamic software ANSYS/LS-DYNA was adopted to simulate intermediate roll control for rolling 304 stainless steel with different widths on twelve-high rolling mill. The loaded gap of work rolls and the strain distribution curve of the 304 stainless steel were calculated when the amount of intermediate roll shifting ranges from -30 mm to -50 mm. The results show that strip shape with good flatness can be obtained by dynamically adjusting the amount of intermediate roll shifting to make the value of length “[L]” to be 55%-60% of the initial width of strip.
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Received: 26 June 2014
Published: 02 February 2015
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