A study on seamless tube in the planetary rolling process

Chih Kang Shih, Ray Quen Hsu, Ching-Hua Hung*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

11 Scopus citations


In this paper, the finite element method and the dual-stream functions upper bound method are selected to analyze the tube rolling process with a planetary rolling mill. Three-dimensional elastic-plastic finite element simulations with special emphasis on the determination of the roller profile and realistic contact conditions between the rollers, workpiece and mandrel are used to reveal the deformation characteristics of seamless tube during the rolling process. In addition, the kinematically admissible velocity field of the deforming tube is described in terms of two stream functions so that the velocity components of the deforming tube can be obtained through the upper bound analysis. In both analysis methods, the equation of meshing is used to determine the contact condition between the rollers and the workpiece. The results from both methods with different variables are observed and compared.

Original languageEnglish
Pages (from-to)273-284
Number of pages12
JournalJournal of Materials Processing Technology
Issue number2-3
StatePublished - 28 Feb 2002


  • Dual-stream functions
  • Finite element
  • Planetary rolling process
  • Upper bound


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