Influence of End Milling Process Variables on Material Removal Rate and Surface Roughness of Direct Metal Laser Sintered Inconel 718 Plate

Table 5

Response mean table for SNR on surface roughness of the machined DMLS Inconel 718 alloy response table for means.

Level	Cutting speed (m/min)	Feed rate (mm/min)	Depth of cut (mm)
1	0.7500	0.6150	0.6577
2	0.6527	0.6917	0.7083
3	0.6517	0.7477	0.6883
Delta	0.0983	0.1327	0.0507
Rank	2	1	3
Response table for signal-to-noise ratios (smaller is better)
Level	Cutting speed (m/min)	Feed rate (mm/min)	Depth of cut (mm)
1	2.521	4.263	3.645
2	3.720	3.219	3.041
3	3.810	2.569	3.365
Delta	1.289	1.694	0.604
Rank	2	1	3