Optimization Techniques in Engineering

28Investigation of Rebound Suppression Phenomenon in an Electromagnetic V-Bending Test

Aman Sharma^1*, Pradeep Kumar Singh¹, Manish Saraswat² and Irfan Khan²

¹Department of Mechanical Engineering, GLA University, Mathura, India

²Department of Mechanical Engineering, Lloyd Institute of Engineering and Technology, Greater Noida, India

Abstract

Electromagnetic forming (EMF) is a highly advanced technique. The time developments and spatial distributions of EMF in the body and die-induced limitations are key elements affecting the dynamical behavior of sheets metal. The immense power generated by the sheet and die colliding at fast speeds allows the sheet to recover from the die. In this chapter, the phenomenon of rebound is investigated for an electromagnetic V-bending test based on the time-bearing contrast between the sheet metal displacement and the power amplitude. Collision encourages deformation, causing a dramatic shift in plane geometry, in which the component fits with die is aided by an innovative distribution of EMF. As the force reduced by the increasing distance is formed into a not-so-deep die, EMF retains sufficient strength to effectively eliminate a rebound and contribute to the calibration about the shape of the section, which is “V.” Increase the length of the spindle current pulses contributes to a shallow die to suppress the rebounding effect of sheet metal.

Keywords: Electromagnetic forming, V-bend, calibration, aluminum alloy, duration, rebound

28.1 Introduction ...