Research Article
Influence of End Milling Process Variables on Material Removal Rate and Surface Roughness of Direct Metal Laser Sintered Inconel 718 Plate
Table 9
Confirmation experiments for the optimum conditions of material removal rate and surface roughness.
| | Output responses | Optimal combination | Predicted value | Experimental value | Percentage error |
| | Material removal rate (mm3/min) | Cutting speed, 125 | 665.5 | 641 | 3.82 | | Feed rate, 100 | | Depth of cut, 0.3 |
| | Surface roughness (μm) | Cutting speed, 125 | 0.7182 | 0.7021 | 2.30 | | Feed rate, 50 | | Depth of cut, 0.1 |
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