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Effect of tri-hybridized metallic nano cutting fluids in end milling of AA7075 in minimum quantity lubrication environment
Proceedings of the Institution of Mechanical Engineers, Part E: Journal of Process Mechanical Engineering ( IF 2.4 ) Pub Date : 2021-03-18 , DOI: 10.1177/09544089211003730
S Vignesh 1 , U Mohammed Iqbal 2
Affiliation  

The current paper is concentrated on the mechanical and machining process exploration of metallic nano-lubricant with the concept of tri-hybridization with improved lubricative and cooling properties by using TiO2, ZnO and Fe2O3 metallic nano particles with neat cold-pressed coconut oil in a fixed volumetric proportion (10:90). End milling of gummy material like aluminium requires a solution to the conventional dry and wet machining due to high productivity requirement and to obtain good surface quality. So, the prepared nanofluids were tested for their rheological behavior and latter introduced into milling of AA7075 as a solution to the above stated problem. Overall, the nanofluids gave good performance when compared to conventional methods. Furthermore, the results obtained from the experiments confirm that the trio-hybridized lubricant has reduced the cutting force, tool wear and surface roughness in an improved way when related to monotype nano fluids. The response surface methodology is performed to evaluate the interaction of process parameters in minimum quantity lubrication environment with nano fluids. The results show that the cutting forces, surface roughness, tool wear was minimized while machining with hybrid cutting fluids and well within the desirability.



中文翻译:

三杂化金属纳米切削液在最小量润滑环境下对AA7075立铣刀的影响

目前的论文集中在金属纳米润滑剂的机械和加工工艺探索上,其概念是通过使用TiO 2,ZnO和Fe 2 O 3改善润滑和冷却性能的三杂化。金属纳米颗粒,具有固定体积比例(10:90)的纯净冷压椰子油。由于对高生产率的要求并获得良好的表面质量,对诸如铝之类的粘性材料的端铣需要常规干法和湿法机加工的解决方案。因此,测试了所制备的纳米流体的流变行为,并将其引入到AA7075的研磨中,以解决上述问题。总体而言,与常规方法相比,纳米流体具有良好的性能。此外,从实验获得的结果证实,当与单型纳米流体相关时,三重混合的润滑剂以改进的方式降低了切削力,工具磨损和表面粗糙度。执行响应表面方法来评估最小量润滑环境中的工艺参数与纳米流体之间的相互作用。结果表明,在使用混合切削液进行加工时,切削力,表面粗糙度,刀具磨损被最小化,并且在期望的范围内。

更新日期:2021-03-19
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