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Experimental Investigation on the Effects of Different Oil-based MQL on the Surface Roughness of Aluminum 6061 Alloy

Mahjabin Moon, Momoyanti Islam Tithi, Zahid Hasan Shuvo

Abstract


Minimum Quantity Lubrication (MQL) is gaining attention as an eco-friendly and cost-effective lubrication method, that reduces the usage of cutting fluids while maintaining machining performance. This experimental study investigated the effects of different MQL fluids on the surface roughness (Ra) of aluminum 6061 alloy during machining processes. In this research, four different lubricants (virgin coconut oil, palm olein oil, kerosene oil, and MY150 metalworking fluid (MWF) were evaluated for their impact on surface roughness. The experimental setup involved a CNC milling machine, and cutting tests were conducted under controlled cutting conditions, including cutting speed (1000 rpm, 5000 rpm, 10000 rpm, 15000 rpm), feed rate (100 mm/rev, 150 mm/rev, 200 mm/rev, 250 mm/rev), depth of cut (0.1 mm, 0.5 mm, 1 mm, 1.5 mm), and cutter diameter (2 mm, 3 mm, 4 mm, 6 mm). The selected MQL lubricants were carefully chosen based on their unique tribological properties, viscosity, and cooling characteristics. The experimental findings revealed that the choice of MQL lubricants significantly influenced the surface roughness of the aluminum 6061 alloy. The selected fluids demonstrated improved surface roughness, with palm oil exhibiting superior performance. The findings offer valuable insights for manufacturers seeking to implement sustainable machining practices that reduce cutting fluid consumption while ensuring high-quality surface finishes.

Cite as

Mahjabin Moon, Momoyanti Islam Tithi, & Zahid Hasan Shuvo. (2023). Experimental Investigation on the Effects of Different Oil-based MQL on the Surface Roughness of Aluminum 6061 Alloy. Research and Reviews: Journal of Mechanics and Machines, 5(2), 20–28. https://doi.org/10.5281/zenodo.8273382


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