Papers by Keyword: Processing Parameters Optimization

Abstract: Conflict resolution is proposed for BTA boring based on optimization algorithm in this paper, which is capable of finding the bottleneck of value assignment by taking advantages of redundant extensibility in the range of constraint parameters. It can realize the optimum precision index of manufactured component with the minimal loss parameter interval, which is through establishing the relaxation model for parameter range optimization considering strategy of conflict resolution. The potential conflict in technical plan can be detected at the beginning of parameter selection accompanied with the constraint consistency algorithm. The conflict resolution strategy can implement effectively for the range of quantitative parameters. The bottleneck restricting the values can be found by taking the advantages of the redundant expandability of constraint parameters ranges, to realize the optimum processing precision index for components at the lowest loss of parameters ranges. At last, the calculation case verifies the effectiveness of the research methods.

Abstract: Particle swarm optimization (PSO) is classified into swarm intelligence algorithm. Focusing on the NC processing parameters optimization, this paper has made several improvements on PSO: dividing solutions into feasible and infeasible, then shrinking the infeasible solutions; dividing feasible solutions into inferior and non-inferior, then choosing the non-inferior solution with most domination solutions as the global best position for inferior solutions. It has shown a significant achievement in actual processing.

Abstract: The optimization of processing parameters for laser cladding process based on Statistical Analysis System (SAS) software was investigated and the experimental investigation on Ni-based alloy components fabricated by laser cladding was carried out. The influences of the main processing parameters on the surface quality were analyzed, and the Ni-based components with superior surface quality were obtained by employing the optimum set of parameters. The surface morphology and microstructure of the components were analyzed. Results indicate that the surface of the cladding is rather smooth and the claddings have a unique microstructure consisting of primary dendrite. The laser cladding layer with integrated melt interface and without reheat cracking can be obtained by optimizing the process variables. The investigations show that the components fabricated by laser cladding process have better mechanical properties than that of the conventional manufacturing technology.