An approach to the optimal design of technological parameters in the profile extrusion process

摘要

An approach for the optimal design of technological variables in the profile extrusion process was proposed, which integrates a finite element simulation technique, an artificial neural network and a genetic algorithm and configures a reasonable die-hole layout for a non-symmetric profile extrusion process. The comparisons between computed and experimental results indicated that the optimal design model is effective and feasible. The numerical simulation for an angle aluminum extrusion process was conducted using the optimal results of the die-hole layout. The mesh distortions at different stages of the extrusion process were described in detail. The distribution of the velocity at the die opening was also obtained. This is helpful for the proper determination of the profile extrusion technology and optimization of the die design.