Analysis of the risk of galling in sheet metal stamping dies with drawbeads

Marcel Moghadam*, Chris Valentin Nielsen, Niels Bay

*Corresponding author for this work

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Sheet metal stamping of complex geometries normally involves the use of drawbeads to control the metal flow in the forming die. Drawbeads are, however, often the most tribologically severe part of the stamping dies. Selection of a suitable tribosystem for this type of forming operation depends on parameters such as local contact pressures, sliding speed, tool/workpiece interface temperature, tool and workpiece materials, and surface topographies. Furthermore, it depends on the required tool life and acceptable maintenance costs. This study demonstrates a methodology for offline evaluation of tribosystem applicability for a specific production platform for stamping of a three-dimensional component using a forming die with drawbeads. Based on an industrial case study, this work combines experimental and numerical analyses of the risk of galling in the different regions of an industrial forming die.
Original languageEnglish
JournalProceedings of the Institution of Mechanical Engineers, Part B: Journal of Engineering Manufacture
Issue number9
Pages (from-to)1207–1214
Publication statusPublished - 2020


  • Die wear
  • Drawbeads
  • Stamping
  • Die tryout
  • Limits of lubrication

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