Optimaztion of Distance Between Stations in Cold Roll Forming

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Noghabi, Mohammad | 2009

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Type of Document: M.Sc. Thesis
Language: Farsi
Document No: 39921 (08)
University: Sharif University of Technology
Department: Mechanical Engineering
Advisor(s): Assempour, Ahmad
Abstract:
Cold roll forming is a process for manufacturing of long sheet metal products with constant cross sections. The base of this process is bending and formation of plastic deformation in sheet. In this process, bending operation occurs in several forming stations. The purpose of this project is estimation of the distance between stations in roll forming. This work is based on determination of deformation length. In this study, first, the researches done in the roll forming is expressed. Then, a relation for estimation of deformation length has been derived that could be used in different stages of roll forming. Compared with other works, the work hardening effect has been considered in the present work. By using this equation, the effects of several parameters on deformation length have been studied. By considering the effect of spring back and deformation length, a methodology has been provided for estimation of distance between stations in roll forming. For verification of the obtained relations, a finite element model was created using the ABAQUS commercial software
Keywords:
Roll Forming ; Deformation Length ; Spring Back ; Work Hardening

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