Mechanics & Industry
Volume 20, Number 6, 2019
|Number of page(s)||7|
|Published online||02 December 2019|
Effect of minimum quantity lubrication strategies on tribological study of simulated machining operation
Université Bordeaux, I2M, UMR 5295, 351 cours de la Libération, 33400 Talence, France
2 Université Tours, Université Orléans, INSA Centre Val de Loire, Laboratoire de Mécanique Gabriel Lamé Polytech Tours, 7 avenue Marcel Dassault, 37200 Tours, France
3 Sandvik Coromant-CEROC, rue Henri Garih, 37230 Fondettes, France
* e-mail: email@example.com
Accepted: 26 September 2019
The main aim of this paper was to reproduce the frictional behaviour that occurred in milling with a pin-on-cylinder system. Three different tribological tests were conducted reproducing friction phenomenon that happened in three machining conditions: (i) dry rubbing, representing the dry machining condition, (ii) MQL applied to front face rubbing which was similar to milling with MQL applied on the insert rake face and (iii) MQL applied to rear end rubbing which was similar to milling with MQL applied on flank face. Tribological tests were carried out with coated tungsten carbide pins rubbing on X100CrMoV5 steel cylinder. Apparent coefficient of friction, adhesion area and heat flux transmitted to the pin were analysed. It has been shown that MQL rear end rubbing provided a lower adhesion area and lower apparent coefficient of friction than with MQL front face rubbing. Furthermore, MQL rear end rubbing resulted in a greater cooling ability. These findings helped to explain why better results were obtained with MQL flank face lubrication in milling compared to MQL rake face lubrication.
Key words: Minimum quantity lubrication / pin on cylinder / friction / adhesion / heat flux
© S. Werda et al., published by EDP Sciences 2019
This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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