An approach to eliminate stepped features in multistage incremental sheet forming process: Experimental and FEA analysis |
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Authors: | Harish Kumar Nirala Prashant K Jain J J Roy M K Samal Puneet Tandon |
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Affiliation: | 1.PDPM Indian Institute of Information Technology, Design and Manufacturing Jabalpur,Jabalpur,India;2.Bhabha Atomic Research Centre, Trombay,Mumbai,India |
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Abstract: | Incremental sheet forming (ISF) is a recently developed manufacturing technique. In ISF, forming is done by applying deformation force through the motion of Numerically controlled (NC) single point forming tool on the clamped sheet metal blank. Single Point Incremental sheet forming (SPISF) is also known as a die-less forming process because no die is required to fabricate any component by using this process. Now a day it is widely accepted for rapid manufacturing of sheet metal components. The formability of SPISF process improves by adding some intermediate stages into it, which is known as Multi-stage SPISF (MSPISF) process. However during forming in MSPISF process because of intermediate stages stepped features are generated. This paper investigates the generation of stepped features with simulation and experimental results. An effective MSPISF strategy is proposed to remove or eliminate this generated undesirable stepped features. |
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