Straight roll formed profiles through partial rolling

Roll forming is a sheet-metal forming operation that incrementally forms a flat sheet into a desired profile by successively arranged rolls. Due to the process-related longitudinal strains, profile defects such as vertical and horizontal bow and twist occur. In this paper, a new straightening method...

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Bibliographic Details
Published inCIRP annals Vol. 72; no. 1; pp. 229 - 232
Main Authors Groche, Peter, Güngör, Burcu, Kilz, Johannes
Format Journal Article
LanguageEnglish
Published Elsevier Ltd 2023
Subjects
Roll forming
Rolling
Strain
Roll forming
Rolling
Strain
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Summary:Roll forming is a sheet-metal forming operation that incrementally forms a flat sheet into a desired profile by successively arranged rolls. Due to the process-related longitudinal strains, profile defects such as vertical and horizontal bow and twist occur. In this paper, a new straightening method is investigated that homogenizes the longitudinal strain distribution to eliminate profile defects by partial rolling. An experimental implementation of partial rolling for an asymmetrical hat-profile proves the feasibility of the method. This method is compared numerically with conventional methods which show that profiles can be straightened more efficiently with the help of partial rolling.
ISSN:0007-8506
DOI:10.1016/j.cirp.2023.03.024