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Simulation of the Tribological System in Sheet Metal Processes on the Micro Scale

[+] Author Affiliations
R. Grüebler, P. Hora

Swiss Federal Institute of Technology, Zurich, Switzerland

Paper No. WTC2005-63548, pp. 821-822; 2 pages
doi:10.1115/WTC2005-63548
From:
  • World Tribology Congress III
  • World Tribology Congress III, Volume 1
  • Washington, D.C., USA, September 12–16, 2005
  • Conference Sponsors: Tribology Division
  • ISBN: 0-7918-4201-0 | eISBN: 0-7918-3767-X
  • Copyright © 2005 by ASME

abstract

The topography of the sheet metal and tool surface influences the contact behavior between the tool and the sheet metal. With a simulation on the micrometer scale the topographical deformation of the sheet metal is elasto-plastically modeled using an explicit finite element method. The model of the lubricant in between is based on a simplified method calculating the pressure and velocity of the liquid with Darcy’s law. A flat rigid tool is pressed on the sheet metal surface simultaneously with a constant lateral motion. Simulations were performed with real and modeled surfaces. The topographies show different tribological behavior depending on their texture.

Copyright © 2005 by ASME

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