Abstract
Minimum quantity lubrication (MQL) machining has achieved noticeable attention in both academic and industry research areas due to its minimum costs and maximum environmental protection. This paper focuses on the analysis of the effects of MQL parameters such as the flow rate of lubricant and the air-oil mixture ratio on cutting performances in terms of cutting force, cutting temperature, and residual stress. Additionally, the cutting performances in MQL machining are also compared with the dry and flood cooling machining. The results show that the cutting fluid can considerably reduce the cutting force and cutting temperature in machining. For MQL machining, there is a maximum effective flow rate of lubricant and it is influenced by the cutting speed. When the flow rate of lubricant is beyond the maximum effective value, the air-oil mixture ratio will no longer affect the cutting performances in machining. This research can support the process planning in achieving the desired residual stress profile by strategically adjusting the MQL parameters.
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Ji, X., Li, B., Zhang, X. et al. The effects of minimum quantity lubrication (MQL) on machining force, temperature, and residual stress. Int. J. Precis. Eng. Manuf. 15, 2443–2451 (2014). https://doi.org/10.1007/s12541-014-0612-6
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DOI: https://doi.org/10.1007/s12541-014-0612-6