PRESSBRAKE BENDING IN THE PUNCH-SHEET CONTACT REGION - PART 1: MODELING NONUNIFORMITIES.

F. Pourboghrat, K. A. Stelson

Research output: Contribution to journalArticlepeer-review

10 Scopus citations

Abstract

A simple model of pressbrake bending in the punch-sheet contact region is presented. The pressure and shear stress at the punch-sheet interface cause the stress distribution in the sheet to change as a function of angle. In Part 1 of this paper, a model to predict nonuniformities as a function of the geometry and the frictional conditions is presented. In Part 2, the model will be used to predict the formation of a gap between the sheet and the punch. Elastic and rigid-plastic material models of the sheet are considered, and are shown to produce remarkably similar results.

Original languageEnglish (US)
Pages (from-to)124-130
Number of pages7
JournalJournal of engineering for industry
Volume110
Issue number2
DOIs
StatePublished - May 1988

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