Abstract
Modern manufacturing processes continue to demand high quality products and processes at reduced costs and with greater environmental compliance. This has led to a critical consideration of the use of conventional cutting fluids used in most machining processes. Continued use of cutting fluids poses major problems as they are hazardous for the operating personnel on the shop floor. They are also carcinogenic, harmful to the environment and cause high costs. The major focus of the proposed paper is the analysis of experimental work on machining under dry and cryogenic conditions in turning of Al 7075–T651 alloy to achieve environmental and economic benefits and improved surface integrity and fatigue life of the machined product, thus aiming at a more sustainable product. In particular, a preliminary evaluation of the fatigue life of the component is presented based on a microstructure-based model, which varies with the used manufacturing process. The overall results show that cryogenic cooling has the potential to improve the product and process through its superior performance in terms of the machined surface and sub-surface characteristics and the related environmental and economic performance.
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AKNOLEDGEMENTS
The authors gratefully thank the Institute of Sustainable Manufacturing (University of Kentucky) for their support and Mr. Charles Arvin for his help with the machining experiments. The authors also would like to acknowledge Air Products Inc. for their support with the cryogenic cooling system Kennametal Tools (Mr. Steve Chen) for their support with free cutting tools and tool holders.
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Rotella, G., Lu, T., Settineri, L., Dillon, O.W., Jawahir, I.S. (2012). Dry and Cryogenic Machining: Comparison from the Sustainability Perspective. In: Seliger, G. (eds) Sustainable Manufacturing. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-27290-5_14
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DOI: https://doi.org/10.1007/978-3-642-27290-5_14
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