吉林大学学报(工学版) ›› 2009, Vol. 39 ›› Issue (05): 1172-1175.

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Dynamic study of hydraulic forging hammer based on elastic viscoplastic body forging

ZHANG Chi1,XU Pei-juan2,HE Dong-ye1   

  1. 1.Roll Forging Research Institute, Jilin University,Changchun 130022,China；2.College of Computer Science and Technology, Jilin University, Changchun 130012,China
  • Received:2008-07-11 Online:2009-09-01 Published:2009-09-01

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Abstract:

      The viscoplastic behavior of the forging was studied, its elasticviscoplastic model was built and its constitutive relation was presented. Based on these a dynamic model was established for the hydraulic forging. The hammer hitting power was calculated, and the mathematical expression for the hammer formdation vibration was solved. The simulation research was performed and the results were verified by experiments. It was concluded that the established model can be used in the engineering design of the hydranlic forging hammer.

Key words: material synthesis and processing technology, viscoplasticity, hydraulic forging hammer, dynamic model, simulation research

CLC Number: 

  • TG316
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