[Retracted] Optimization of CNC End Milling Process Parameters of Low-Carbon Mold Steel Using Response Surface Methodology and Grey Relational Analysis

Table 10

Grey regression analysis.

Normalized values			Deviation sequence			Grey relation coefficients			Grey relational grade	Rank
Ra	PC	MRR	Ra	Pc	MRR	Ra	PC	MRR
0.294	1.000	0.976	0.706	0.000	0.024	0.415	1.000	0.954	0.790	2
0.706	0.000	0.096	0.294	1.000	0.904	0.630	0.333	0.356	0.440	26
0.141	0.547	0.521	0.859	0.453	0.479	0.368	0.525	0.511	0.468	22
0.859	0.453	0.551	0.141	0.547	0.449	0.780	0.477	0.527	0.595	10
0.681	0.644	0.652	0.319	0.356	0.348	0.611	0.584	0.590	0.595	9
0.206	0.318	0.453	0.794	0.682	0.547	0.386	0.423	0.478	0.429	27
0.500	0.500	0.536	0.500	0.500	0.464	0.500	0.500	0.519	0.506	14
0.181	0.962	1.010	0.819	0.038	-0.010	0.379	0.930	1.020	0.776	3
0.500	0.500	0.536	0.500	0.500	0.464	0.500	0.500	0.519	0.506	14
0.500	0.500	0.536	0.500	0.500	0.464	0.500	0.500	0.519	0.506	14
0.000	0.818	0.894	1.000	0.182	0.106	0.333	0.734	0.824	0.630	7
0.972	0.490	0.517	0.028	0.510	0.483	0.946	0.495	0.509	0.650	6
0.472	0.809	0.875	0.528	0.191	0.125	0.486	0.723	0.799	0.670	4
1.000	0.182	0.178	0.000	0.818	0.822	1.000	0.379	0.378	0.586	11
0.319	0.356	0.420	0.681	0.644	0.580	0.423	0.437	0.463	0.441	25
0.641	0.229	0.163	0.359	0.771	0.837	0.582	0.393	0.374	0.450	24
0.322	0.691	0.637	0.678	0.309	0.363	0.425	0.618	0.580	0.541	12
0.678	0.309	0.435	0.322	0.691	0.565	0.608	0.420	0.469	0.499	19
0.613	0.538	0.502	0.387	0.462	0.498	0.564	0.520	0.501	0.528	13
0.347	0.047	0.081	0.653	0.953	0.919	0.434	0.344	0.352	0.377	29
0.028	0.510	0.555	0.972	0.490	0.445	0.340	0.505	0.529	0.458	23
0.653	0.953	0.991	0.347	0.047	0.009	0.590	0.913	0.982	0.829	1
0.819	0.038	0.062	0.181	0.962	0.938	0.734	0.342	0.348	0.475	21
0.359	0.771	0.908	0.641	0.229	0.092	0.438	0.686	0.845	0.656	5
0.500	0.500	0.536	0.500	0.500	0.464	0.500	0.500	0.519	0.506	14
0.528	0.191	0.197	0.472	0.809	0.803	0.515	0.382	0.384	0.427	28
0.500	0.500	0.536	0.500	0.500	0.464	0.500	0.500	0.519	0.506	14
0.387	0.462	0.570	0.613	0.538	0.430	0.449	0.482	0.538	0.490	20
0.794	0.682	0.618	0.206	0.318	0.382	0.708	0.611	0.567	0.629	8