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Experimental, Computational and Mathematical Analysis of Hybrid Abrasive Flow Machining Process
International Journal of Precision Engineering and Manufacturing ( IF 1.9 ) Pub Date : 2021-08-23 , DOI: 10.1007/s12541-021-00565-3
Sachin Dhull 1 , R. S. Walia 1 , Qasim Murtaza 1 , M. S. Niranjan 1
Affiliation  

The current scenario of industrialization requires need for higher productivity which is met by advanced material removal process, i.e., abrasive flow machining (AFM) in which the internal surfaces of the workpiece is machined to higher accuracy level with the help of abrasive laden media. In this paper, the conventional AFM setup has been made hybrid using electrolytic and magnetic force arrangement alongwith rotational effect in order to achieve better results in terms of material removal and surface roughness. The newly developed in-house polymer media were utilized in the process and the input parameters taken during experimentation were magnetic flux, electrolytic rod size and shape, rotational speed, polymer media, abrasive particles and extrusion pressure. It was found that the material removal and surface roughness improvement were more in electrochemo magneto rotational AFM process compared to conventional AFM process. The experimental values were in confirmation with those obtained in the optimization techniques applied, i.e., Taguchi L9 OA, Matlab fuzzy logic and GRA-PCA. In addition, the hybrid mathematical model was developed and effect of different forces occurring in the process and computational flow analysis of media have been explained.



中文翻译:

混合磨料流加工过程的实验、计算和数学分析

当前的工业化场景需要更高的生产率,这需要通过先进的材料去除工艺来满足,即在磨料流加工 (AFM) 中,借助载有磨料的介质将工件的内表面加工到更高的精度水平。在本文中,传统的 AFM 设置已经混合使用电解和磁力排列以及旋转效应,以便在材料去除和表面粗糙度方面取得更好的结果。在该过程中使用了新开发的内部聚合物介质,实验过程中采用的输入参数是磁通量、电解棒尺寸和形状、转速、聚合物介质、磨料颗粒和挤出压力。发现与传统的 AFM 工艺相比,电化学磁旋转 AFM 工艺中的材料去除和表面粗糙度改善更多。实验值与所应用的优化技术(即田口 L9 OA、Matlab 模糊逻辑和 GRA-PCA)中获得的值一致。此外,还开发了混合数学模型,解释了在过程中发生的不同力的影响以及介质的计算流动分析。

更新日期:2021-08-24
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