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Characterization of Dynamic Friction Factor for FEM Modeling of High Speed Process

Arnoux J. J., Sutter G., List G.

Engineering Transactions

2012

Vol. 60, iss. 3

205-205

The present study aims to establish through a series of friction tests the trends of the dynamic factor according to sliding speed. A ballistic set-up using an air gun launch is used to measure the friction coe?cient for the steel/carbide contact between 15 m/s and 80 m/s. Since the experimental characterization of friction is a key factor in the development of high speed process such as high speed machining, the experimental quantification is introduced into a cutting model by finite elements method. Modeling results are compared with cutting forces measured on a similar experimental device, which can reproduce perfect orthogonal cutting conditions.