Modelling and Simulation of the Roll Forming Process

Cold roll forming (CRF) is a bending process where the bending occurs gradually in severalforming steps from an undeformed strip to a finished profile. The process is very interesting for thesheet metal industry due to the high speed in which the profile can be produced. High strength steelhas, in recent years, become more common in CRF. These materials have advantages but alsodisadvantages that affect the design of the CRF process. The objectives of this study are to investigate the change in the longitudinal peak membrane strainat the flange edge and the deformation length when the yield strength increases. These are importantsince they can be used to determine the number of forming steps and the distance between themwhen designing the CRF machine. The result from the simulations shows that the longitudinal peakmembrane strain decreases and the deformation length increases when the yield strength isincreased.