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Abstract To non-oriented silicon steel，transverse thickness deviation is very important and key quality target. UCM tandem cold rolling mill is taken as the research object，an integrated simulation model of 6-High Mill and thin strip is established. By this model，considering the rolling stability and transverse thickness deviation control of non-oriented silicon steel，the EVC-Plus （Edge Variable Crown-Plus） roll with special double arc chamfering was designed and applied on a 1 720 UCM tandem cold mill. The actual application results showed that the EVC-Plus can be ground easily and the transverse thickness deviation of the non-oriented silicon steel was reduced from 12 to 8 μm or less by corresponding EVC-Plus contour for different product width，and the occurrence of strip breakage accident was greatly reduced.
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Received: 27 April 2018
Published: 24 August 2018
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2018, Vol. 53 
