MEASUREMENT OF THE INTERFACIAL STRESSES IN ROLLING USING THE ELASTIC DEFORMATION OF THE ROLL.

D. J. Meierhofer, K. A. Stelson

Research output: Contribution to journalArticle

10 Scopus citations

Abstract

A new method to measure the frictional stresses and normal pressure in the roll gap during cold rolling, and experimental verification of this new method, are presented. The method overcomes many of the shortcomings of pin-type sensors. The elastic deformation of the roll itself is measured with strain gages, and is used to calculate the stresses between the sheet and the roll. Since no modification of the roll is necessary, the deformation process is undisturbed by the measurement. Mechanical isolation of the sensor is unnecessary. The mathematical procedure used to calculate the normal pressure and frictional stresses from the measured strains explicitly acknowledges that these strains are the result of the entire distribution of pressures and shears in the roll gap.

Original languageEnglish (US)
Pages (from-to)362-369
Number of pages8
JournalJournal of engineering for industry
Volume109
Issue number4
DOIs
StatePublished - 1987

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