吉林大学学报(工学版) ›› 2001, Vol. ›› Issue (3): 20-25.

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Formulating Perturbation Equation of Deformation about Closing Female Dies and Filling in Punch Die Forging of Cylinder Volume

LIU Hua-min, LIANG Ji-cai, LI Yi   

  1. Institute of Roll forging Technology, Jilin University, Changchun 130025, China
  • Received:2000-10-06 Online:2001-07-25

Abstract: The paper deals with advantages of perturbation method in resolving differential equation,puts forward a way of analysing of metal forming problem,and finally formulates perturbation equation of deformation about closing female dies and filling in punch die forging of cylinder volume about power hardening materials.

Key words: closing female dies and filling in punch die forging, deformation, perturbation analysis

CLC Number: 

  • TG376
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