Coupled 3D Finite Element Modeling of Electromagnetic Free Expansion of Al Tube

Ghatule, Pravin; Kore, Sachin D.

doi:10.11127/ijammc.2013.02.017

Cited by 2 publications

(1 citation statement)

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“…The coil is the key component during EMF, which converts the magnetic field energy to workpiece kinetic energy [6]. The number of windings and the construction of the coil have a great impact on the final shape of the workpiece [7,8]. Belly et al [9] classified coils based upon their applications as compression coil to compress the tubular component, expansion coil to expand the tube and flat spiral coil that is used in various sheet metal forming processes.…”

Section: Introductionmentioning

confidence: 99%

Dual Electromagnetic Forming Using Single Uniform Pressure Coil

Patel¹,

Kore²

2014

KEM

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Electromagnetic Forming (EMF) is a high-speed forming process that can be applied for shaping, joining and cutting of workpieces made of electrically conductive material eg. aluminium. This paper proposes a dual electromagnetic forming method. Energy efficiency of the dual electromagnetic forming is compared with the single sided electromagnetic forming using FEM simulations. In uniform pressure rectangular coil, the top layer of the coil assists in the deformation of the workpiece while the bottom layer hinders the workpiece deformation.To make the bottom layer of the coil also to assist in the deformation of the workpiece, a uniform pressure rectangular coil is designed and placed between the two sheet metal workpiece. The efficiency of the two processes are compared by determing the maximum deformation obtained for each case.

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Section: Introductionmentioning

confidence: 99%