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Bilbao, Spain

Garcia E.,Alameda de Urquijo s n | Meresse D.,University of Valenciennes and HainautCambresis | Pombo I.,Alameda de Urquijo s n | Dubar M.,University of Valenciennes and HainautCambresis | Sanchez J.A.,Alameda de Urquijo s n
International Journal of Advanced Manufacturing Technology

In this paper, the friction conditions of minimum coolant grinding (MCG) technology are deeply characterized. The MCG is a successful cooling/lubricating system that combines the application of minimum quantity of lubrication (MQL) and CO2 at low temperatures to create a frozen layer of oil able to reach the contact zone. This technique has previously shown promising results to reduce heat generation in grinding process and improve the workpiece finish. A comparison of the energy consumption, forces and wear patterns has been performed between MCG and dry grinding by means of the On-Machine Test Bench. In this work, authors have identified that MCG favours the shearing of the material reducing the energy consumption and wear of the abrasive. Differences are highlighted on the size of wear flats, the shape of the debris and the various types of wear mechanisms © 2015 Springer-Verlag London Source

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