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Designing the optimal shape for an extrusion die to produce a high-quality extrusion product is often required by industry. Design from experience is unsatisfactory for achieving the flexibility and precision requirements in die design. In this paper, a design method has been developed for the optimum shape design of extrusion die. The extrusion process was modelled and analysed by using the finite-element...
The objective of this paper is to obtain an optimal die shape in consideration of the influence of metal flow deformation in the extrusionforging processes. The finite-element method was used to analyse comprehensively the effects of different die shapes on extrusionforging deformation. A polynomial network was used to construct the relationship model and a genetic algorithm was used to obtain the...
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