Testing and modelling of industrial tribo-systems for sheet metal forming

Kasper Leth Friis, Peter Søe Nielsen, Niels Bay

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review


Galling is a well-known problem in sheet metal forming of tribological difficult materials such as stainless steel. In this work new, environmentally friendly lubricants and wear resistant tool materials are tested in a laboratory environment using a strip reduction test as well as in a real production tool at the Danish company Grundfos A/S. The performance of the different tribo-systems in laboratory tests agrees very well with their performance in the production. The production tool is modified to measure the punch load as well as punch and die temperatures 1mm from the active tool surface. The backstroke force and tool surface temperature are found to be highly sensitive to the initiation of galling. Furthermore the results combined with numerical investigations indicates that the level of the interface temperature is a vital factor predicting the initiation of galling.
Original languageEnglish
Title of host publicationAdvanced Technology of Plasticity : Proceed. 9th International Conference on Technology of Plasticity
EditorsD.Y. Yang, Y.H. Kim, C.H. Park
Place of PublicationKorea
PublisherKorean Society for Technology of Plasticity
Publication date2008
ISBN (Print)978-89-5708-151-8
Publication statusPublished - 2008
Event9th International Conference on Technology of Plasticity - Gyeongju, Korea, Republic of
Duration: 7 Sep 200811 Sep 2008
Conference number: 9


Conference9th International Conference on Technology of Plasticity
CountryKorea, Republic of
Internet address

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