Different Ways of Friction Coefficient Determination in Stripe Ironing Test
Journal Title: Tribology in Industry - Year 2014, Vol 36, Issue 3
Abstract
The sheet metal stripe ironing laboratory test has been developed to study tribological appearances and performance of lubricants in ironing process. Most common way for friction coefficient determination in the test is use of different equations which gives relation between active forces and reactive friction forces. In application of such equations some difficulties occurs because of improper friction coefficient values, especially at small intensities of tensile or drawing forces. In this paper for literature an approach were analyzed and after that defining of new equation was proposed. New equation was tested numerically and experimentally. Obtained results indicated that the suggested improvement gives much more acceptable values of friction coefficient. That fact is particularly significant in lubricant evaluation process.
Authors and Affiliations
S. Aleksandrović , M. Đorđević , M. Stefanović , V. Lazić , D. Adamović , D. Arsić
Keywords
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