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The Investigation of Effects of Roll Forming Parameters on Shape Defects of Channel Section

Author : Dayanand P. Yesane and R. S. Hingole

Pages : 244-247
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Cold roll forming is one of the complex forming processes which quality of products is highly dependent on the process parameters. In this study the effect of change in strip thickness and change of material of channel section are investigated on the edge longitudinal strain and bow defect of products. It is important to consider these parameters for roll forming process design. Longitudinal bow is one of the main defects in the cold roll forming products which is affected by the strip thickness increment. Experimental results of this study show that bow defect decreases with the strip thickness increasing. Results of present study show that peak of longitudinal strain in the edge of channel section increases with the strip thickness increases.

Keywords: Longitudinal strain, bow defects, strips thickness.

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