Abstract

Conventional calculation of rolling load has been treated on the basis on the assumption of two-dimentional deformation, but such an assumption cannot be used for the hot rolling practice in which the ratio of width to the thickness of material is smaller than 20, when the lateral spread occurs. The author developed the three-dimensional consideration of rolling stresses and spread during the rolling in previous report. Using these results, the author obtained a new formula of rolling load in hot states as follows : [numerical formula] In this report the calculated results were presented for various rolling conditions.

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