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Industrial Lubrication and TribologyVolume 69, Issue 4, 2017, Pages 464-470

Experimental-numerical analysis of contact conditions influence on the ironing strip drawing process(Article)

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  • aFaculty of Engineering, University of Kragujevac, Kragujevac, Serbia
  • bResearch Center, University of Zilina, Zilina, Slovakia
  • cInstitute for Technology of Nuclear and other Mineral Raw Materials (ITNMS), Belgrade, Serbia

Abstract

Purpose: The purpose of this paper is comparison of experimental values of the drawing forces to numerical values in different contact conditions, taking into account the appearance of galling which occurs due to of difficult drawing process conditions. Design/methodology/approach: The following two research approaches are used in this paper – the physical modeling, realized by the laboratory experiment, and the numerical simulation of the ironing drawing process. By analyzing the obtained results, the technique of physical modeling, with help of the laboratory equipment and numerical simulation by application of the finite element method, can be successfully used in studying the thin sheet ironing – strip drawing process. Findings: It is significant to compare values of the deformation forces obtained by physical experiment to values obtained by the numerical simulation. In that way, it is possible to compare applied contact conditions (four lubricants in that case) and estimate matching of experimentally and numerically obtained results of the deformation forces. Presented results point out very good technological characteristics of ecologically friendly lubricant (single-bath) and grease based on MoS2. Significant decrease of the deformation force was achieved by its application, as well as maintaining of the lubricant’s layer during the forming process and almost complete elimination of galling on the contact. Practical implications: Numerical analysis of stresses in the working piece wall, during the thin sheet strip drawing, requires precise values of the friction coefficient. It is an important indicator because one can define the contact conditions as the input data for the numerical simulation, based on its values for each type of lubricants and each value of the compressive lateral force. Originality/value: The environmentally friendly lubricant tested exhibits a more favorable distribution of the drawing force during the process, mainly in experimental case. Grease based on MoS2 has good lubricating properties but that lubricant is conventional and environmentally unacceptable. Ecologically friendly lubricant can be successfully used in real ironing strip drawing process especially for high values of holding force achieving an increased tool life. © 2017, Emerald Publishing Limited.

Author keywords

Drawing forceFinite element analysisFrictionLubricationStrip drawing

Indexed keywords

Engineering controlled terms:DeformationFrictionLaboratoriesLayered semiconductorsLubricantsLubricationMolybdenum compoundsNumerical methodsNumerical modelsSulfur compounds
Engineering uncontrolled termsDesign/methodology/approachDrawing forceEnvironmentally friendly lubricantsFriction coefficientsLaboratory equipmentsLaboratory experimentsLubricating propertiesTechnological characteristics
Engineering main heading:Finite element method

Funding details

Funding sponsor Funding number Acronym
ITMS 26220220183
Ministarstvo Prosvete, Nauke i Tehnološkog RazvojaON174004,TR32036,TR34002,TR35024MPNTR
European Regional Development FundERDF
  • 1

    The work reported in this paper was partially financially supported by the Serbian Ministry of Education, Science and Technological development, through contracts ON174004, TR32036, TR34002, TR35024 and by European regional development fund and Slovak state budget by the project “Research Centre of the University of Žilina” – ITMS 26220220183.

  • ISSN: 00368792
  • CODEN: ILTRA
  • Source Type: Journal
  • Original language: English
  • DOI: 10.1108/ILT-05-2016-0113
  • Document Type: Article
  • Publisher: Emerald Group Publishing Ltd.

  Arsić, D.; Faculty of Engineering, University of Kragujevac, Kragujevac, Serbia;
© Copyright 2018 Elsevier B.V., All rights reserved.

Cited by 5 documents

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New method of defining of process parameters in double side thinning strip ironing test
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Simulation of flat die deep drawing process by variable contact pressure sliding model
(2019) Tehnicki Vjesnik
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