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Abstract
The contemporary paper centred on the optimization of HAJM in machining of PMMA fabric by means of using of MCDM- TOPSIS method, in this manner orthogonal array l9 Taguchi experimental layout is used through thinking about the technique of machining parameters such as Pressure of provider gas, SOD, Temperature of air service gasoline , Abrasive Size and type , to function a HAJM experiment for viewed responses such as surface roughness(RA) ,material removal rate (MRR)