Characterisation of friction and heat partition coefficients at the tool-work material interface in cutting

The development of cutting simulation still requires an improvement in the understanding of the frictional phenomena at the tool-work material interface. This paper introduces a method for a fast identification of friction and heat partition models, based on a special tribometer able to simulate wid...

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Bibliographic Details
Published in:CIRP annals 2013, Vol.62 (1), p.79-82
Main Authors: Rech, J., Arrazola, P.J., Claudin, C., Courbon, C., Pusavec, F., Kopac, J.
Format: Article
Language:English
Subjects:
Computer simulation
Cutting
Cutting speed
Cutting tool materials
Friction
Heat partition
Lubrication
Partitions
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Summary:The development of cutting simulation still requires an improvement in the understanding of the frictional phenomena at the tool-work material interface. This paper introduces a method for a fast identification of friction and heat partition models, based on a special tribometer able to simulate wide ranges of contact pressures and sliding velocities, similar to those occurring along the tool-work material interface in cutting. The method is applied for a wide spectrum of work materials and lubrication conditions. Combined with an analytical post-treatment, this set-up provides a modelling of the frictional behaviour that may improve significantly thermal aspects in cutting simulations.
ISSN:0007-8506
DOI:10.1016/j.cirp.2013.03.099