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Effects of minimum quantity lubricating (MQL) conditions on machining of 7075-T6 aluminum alloy

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Abstract

Clean machining is gaining ground as one of the crucial issues in future manufacturing. Many machining industries are looking for alternative solutions to wet machining because of the costs of the latter, including environmental costs, as well as its impact on occupational health and safety. Dry machining is being proposed, but in most conditions, the cutting tool wears out quicker, leading to part quality deterioration and increased machining costs. Minimum quantity lubrication (MQL) machining is also proposed to maintain a reasonable tool life and limited cost, as compared to the situation with flood or wet machining. Both the MQL and dry machining methods, however, are susceptible to the generation of aerosols containing metallic particles that can be detrimental to occupational health and safety. Minimizing particle emissions is of prime importance since these can have serious consequences on the operator’s health. They have been seen to be at a minimum at two specific cutting ranges. In this study, investigations are done to examine the effect of lubrication (dry and MQL) during the turning of the 7075-T6 aluminum alloy. The performance indexes studied are the surface roughness, the chip thickness, and aerosol generation.

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Authors and Affiliations

  1. École de Technologie Supérieure (ÉTS), Montréal, Canada

    Jules Kouam & Victor Songmene

  2. École Polytechnique de Montréal, Montréal, Canada

    Marek Balazinski

  3. Université Libre de Bruxelles, Brussels, Belgium

    Patrick Hendrick

Authors
  1. Jules Kouam
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  2. Victor Songmene
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  3. Marek Balazinski
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  4. Patrick Hendrick
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Correspondence to Victor Songmene.

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Kouam, J., Songmene, V., Balazinski, M. et al. Effects of minimum quantity lubricating (MQL) conditions on machining of 7075-T6 aluminum alloy. Int J Adv Manuf Technol 79, 1325–1334 (2015). https://doi.org/10.1007/s00170-015-6940-6

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  • DOI: https://doi.org/10.1007/s00170-015-6940-6

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