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

Table 3

Experimental runs and responses.

A (rpm)	B (mm)	C (mm/min)	D (l/min)	Ra (microns)	MRR (mm^3/min)	Pc (HP)
1850	0.2	1000	6	4.217	0.2361	0.207
1850	0.6	2000	6	2.650	1.2931	1.408
1200	0.4	1000	6	4.797	0.7826	0.751
2500	0.4	2000	6	2.070	0.7466	0.865
2500	0.4	1500	4	2.746	0.6249	0.635
1200	0.4	2000	6	4.550	0.8636	1.026
1850	0.4	1500	6	3.434	0.7646	0.808
1850	0.2	1500	4	4.646	0.1954	0.253
1850	0.4	1500	6	3.434	0.7646	0.808
1850	0.4	1500	6	3.434	0.7646	0.808
1200	0.2	1500	6	5.334	0.3351	0.425
2500	0.4	1500	8	1.642	0.7873	0.819
1850	0.2	1500	8	3.542	0.3578	0.437
2500	0.6	1500	6	1.534	1.1941	1.190
1200	0.4	1500	8	4.122	0.9043	0.981
1850	0.6	1000	6	2.897	1.2121	1.133
1850	0.4	1000	4	4.109	0.6429	0.578
1850	0.4	2000	8	2.758	0.8863	1.037
1850	0.4	1000	8	3.005	0.8053	0.762
1200	0.6	1500	6	4.014	1.3111	1.351
1200	0.4	1500	4	5.226	0.7419	0.796
2500	0.2	1500	6	2.854	0.2181	0.264
1850	0.6	1500	8	2.222	1.3338	1.363
1850	0.2	2000	6	3.970	0.3171	0.482
1850	0.4	1500	6	3.434	0.7646	0.808
1850	0.6	1500	4	3.326	1.1714	1.179
1850	0.4	1500	6	3.434	0.7646	0.808
1850	0.4	2000	4	3.862	0.7239	0.853
2500	0.4	1000	6	2.317	0.6656	0.590