Abstract
Single Point Incremental Forming (SPIF) is a sheet metal forming process in which a sheet metal blank is plastically deformed through a progressive action of single point tool and more reliable for batch production of complex shape of sheet metals with simple numeric control vertical milling machine. In this study, the formability behaviour of stainless steel 409L on both conventional and incremental forming technique were analysed experimentally. The effect of process parameter of SPIF like tool size, spindle speed, feed rate and vertical step down on the formability of stainless steel 409L was investigated experimentally. The forming limit diagram (FLD) and fracture limit curve (FLC) of SS 409L for both the forming processes were plotted and compared. Formability of SS 409L during SPIF increased comparing with conventional forming technique.
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