Analysis Of Springback Phenomenom In Aluminium Sheet Metal

Mohd Shukor, Salleh and Hanizam, Hashim and Mohamad Haidir, Maslan and Wahyono Sapto, Widodo (2011) Analysis Of Springback Phenomenom In Aluminium Sheet Metal. Project Report. UTeM, Melaka, Malaysia. (Submitted)

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Abstract

Springback phenomenon is the elastic deformation where it is the nonpermanent deformation that allows the material to return to its original shape. The springback deformation is unavoidable for all sheet metals because this type of deformation appears naturally as a result of the unbalanced stresses that developed over the bending area. Springback is a major concern since it will affect the part dimension precision. The dimension precision is essential especially in the automotive industries where sheet metal process bending is widely applied forming process. In order to obtain the prediction of springback, experiment or numerical simulation is used. Finite Element Analysis (FEA) simulation of sheet metal forming is powerful tool which allows testing any modifications of process parameters, prior to the actual tools of manufacturing. However, there is always discrepancy between the result of springback obtained in simulation and reality. Therefore, in this study, this discrepancy will be investigated by using different thickness of sheet metal as the parameter and also the factor that affecting springback phenomenon.

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