2000
DOI: 10.1002/srin.200001336
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Investigation of model error on calculating strip profile in 4-high mills

Abstract: In 4-high mills the slit model is usually used to determine elastic roll stock deformation, in order to predict the strip profile. In this model, the roll axis deflections obtained by the simple beam theory are satisfactory, but the roll flattening obtained by the elasticity theory of the half-space or the half-plane is inaccurate. In the present paper 5 models are introduced to determine the roll flattening. Change of the roll flattening causes the change of internal pressure between work roll and back-up rol… Show more

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Cited by 2 publications
(2 citation statements)
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“…The working point for these adjusting elements in automation model is a certain roll force at a mill stand. [20][21][22] Thus, the adjusting elements serve as the added means to reduce the shape error caused by random factors such as thermal expansion of rolls, change of material properties of the strip, complicated friction conditions between the strip and the roll and so on.…”
Section: (J) Limitation Of Roll Force Difference Between Standsmentioning
confidence: 99%
“…The working point for these adjusting elements in automation model is a certain roll force at a mill stand. [20][21][22] Thus, the adjusting elements serve as the added means to reduce the shape error caused by random factors such as thermal expansion of rolls, change of material properties of the strip, complicated friction conditions between the strip and the roll and so on.…”
Section: (J) Limitation Of Roll Force Difference Between Standsmentioning
confidence: 99%
“…Kim et al 7) developed a model of the integrated FE process to predict the strip profile in a 4-high mill. And 5 kinds of roll flattening models were used to determine the roll flattening by Zhou et al 8) . Xu et al 9) developed the "Influence Efficiency Calculation Software" which was used to predict the strip profile with various bending force of the work roll in a 4-high mill.…”
Section: Introductionmentioning
confidence: 99%