Shallow deep drawing process of a square cup is investigated in this paper. A combined friction model is introduced which integrates the Khonsari's friction model based on asperity contact and Wilson's friction model based on lubricant flow. A film thickness ratio of 0.035 is introduced for 0.15 μm standard deviation of surface summits. Below the ratio of 0.035, Khonsari's model gives more accurate results since asperity friction is dominant. Above the ratio of 0.035, Wilson's model gives more accurate results since hydrodynamic friction is dominant.
Modeling and Simulation of Friction in Deep Drawing
Contributed by the Tribology Division of ASME for publication in the JOURNAL OF TRIBOLOGY. Manuscript received November 26, 2014; final manuscript received September 2, 2015; published online November 4, 2015. Assoc. Editor: Mircea Teodorescu.
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Başpınar, M., and Akkök, M. (November 4, 2015). "Modeling and Simulation of Friction in Deep Drawing." ASME. J. Tribol. April 2016; 138(2): 021104. https://doi.org/10.1115/1.4031671
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