Study on atomization characteristics of droplet of bio-degradable oil for end-milling of incoloy 925
DOI:
https://doi.org/10.58368/MTT.22.4.2023.45-51Keywords:
MQL, Coconut Oil, Incoloy 925, End-Milling, RSMAbstract
Minimum Quantity Lubrication (MQL) has been proved as an effective technique of lubrication and cooling in machining. However, evacuation of cutting temperature depends on the lubricant’s droplet quality, which is highly influenced by MQL setup parameters. This paper aims to study the effects of nozzle angle, nozzle distance, flow rate, and air pressure on the end milling performance of Incoloy 925. Orthogonal array (L9) is used for the design of experiments, and the influence of MQL parameters is analysed by ANOVA. Response surface methodology (RSM) has been used for a linear regression model, and Composite Desirability function has been utilized for optimization of parameters. ANOVA shows that flow rate has highest influence on both cutting force and surface roughness. Nozzle angle is having lowest influence on cutting force, while stand-off distance has the lowest influence on the surface roughness.
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