Die Design and Optimization To Reduce Cavity In Extrusion Process

Salmidi, Taraji (2011) Die Design and Optimization To Reduce Cavity In Extrusion Process. Project Report. UTeM, Melaka, Malaysia. (Submitted)

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Abstract

The title of this project is Die Design and optimization to reduce cavity in extrusion process. Basically, the extrusion process is aimed at compressively forcing or extruding a billet through a cavity or die of a desired cross-section. Special purpose alloys and composite materials require special die designs. Die designs are generally classified into two categories: shear die which are mainly used for extrusion of aluminum and copper, etc.; and shaped dies for extrusion of "difficult-to-form" and exotic materials. Process design for extrusion using SolidWork 2010 software is presented the 3D-solidmodel. .However, due to the requirement of high precision and reliability in shaped parts, these methods are far away from a final and reliable solution. Nowadays, using finite element method (FEM) in this project, to simulate analysis and evaluate the influence of parameters of extrusion die. In fact, the most efficient way to evaluate this type of problem is to analyze the forming step with a flow rule of aluminium extrusion inside the die has been predicted and a group of optimize structural parameters was obtained. Finally, discussions of the result obtained are helpful for reducing the die cavities and improve the quality of the final product.

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