The Combination of Advanced Tools for Parameters Investigation and Tools Maintenance in Flow Forming Process

A. D'Annibale, A. Di Ilio, A. Paoletti, D. Paoletti, S. Sfarra

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

In this work, the authors present an investigation on technological parameters affecting the flow forming process of aluminum alloy 6060 tubular structures and to discuss about the tools maintenance. Flow forming tests were carried out by mounting a single roller on a lathe machine. A 3D thermo-mechanical finite element model was developed to analyze the interaction between the roller and the workpiece in terms of forces, strains and thermal distribution. The effects of friction conditions were investigated through the FE model results and comparing them with acquired thermal maps. The model was validated by comparing the geometrical characteristics of the workpieces, such as the axial elongation, the inner and outer tube diameter. Aluminum spring-back was taken into account with material model adopted in the numerical algorithm. Once collected a complete information on the process parameters, some thermal images were acquired on roller in order to find a parameters set able to reduce the stresses acting on it as far as to obtain the maximum elongation with the minimum number of passes.

Original languageEnglish
Pages (from-to)144-149
Number of pages6
JournalProcedia CIRP
Volume59
DOIs
Publication statusPublished - 2017
Externally publishedYes

Keywords

  • Finite Element Analysis
  • flow forming
  • thermal analysis
  • tools maintenance

ASJC Scopus subject areas

  • Control and Systems Engineering
  • Industrial and Manufacturing Engineering

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