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

Table 8

ANOVA results for SR and MRR responses.

Source (SR)	DF	Seq SS	Contribution	Adj SS	Adj MS	F value	value
Cutting speed	2	0.019144	32.62%	0.019144	0.009572	2.12	0.032
Feed rate	2	0.026614	45.34%	0.026614	0.013307	2.95	0.025
Depth of cut	2	0.003908	6.66%	0.003908	0.001954	0.43	0.069
Error	2	0.009028	15.38%	0.009028	0.004514
Total	8	0.058694	100.00%
Source (MRR)	DF	Seq SS	Contribution	Adj SS	Adj MS	F value	value
Cutting speed	2	46101	6.11%	46101	23050	4.37	0.086
Feed rate	2	399402	52.94%	399402	199701	37.82	0.026
Depth of cut	2	298451	39.56%	298451	149225	28.26	0.034
Error	2	10561	1.40%	10561	5280
Total	8	754514	100.00%