Optimization Design of Flash Structure for Forging Die Based on Kriging-PSO Strategy

  • Yu Zhang
  • Zhiguo An
  • Jie Zhou
Part of the Lecture Notes in Computer Science book series (LNCS, volume 6145)


The article concern the influences of the novel flash structure with resistance wall on the forming load and die wear during the closed-die forging process. If the geometrical parameters of the resistance wall are not properly designed, the forming load and die wear may be great; this can affect the life of the forging die. Yet, no procedure is known to optimize and decide this flash structure at the exit. So, the optimization calculations were carried out using an authors optimal strategy, called Kriging-PSO strategy. According to this strategy we got the optimum parameters of the resistance wall. The strategy incorporates finite element simulations software Deform and includes particle swarm optimization (PSO) with a fast convergence and Kriging interpolation algorithm. The optimization results which represent the best die design were realized in industries.


Forging Kriging Particle swarm optimization (PSO) Plastic deformation Finite element method 


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Copyright information

© Springer-Verlag Berlin Heidelberg 2010

Authors and Affiliations

  • Yu Zhang
    • 1
  • Zhiguo An
    • 1
  • Jie Zhou
    • 2
  1. 1.School of Mechatronics and Automotive EngineeringChongqing Jiaotong UniversityChongqingChina
  2. 2.College of Materials Science and EngineeringChongqing UniversityChongqingChina

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