Research Article
The Influence of Tool Path Strategies on Cutting Force and Surface Texture during Ball End Milling of Low Curvature Convex Surfaces
Table 4
Standard orthogonal array with experiment measurements for machining time.
| Sequenced experiment number | Cutting parameters level | ā | Machining time (min) | ā | (m/min) | (mm/tooth) | (mm) | Raster | 3D-offset | Spiral | Radial |
| 1 | 60 | 0.06 | 0.3 | 34.09 | 35.53 | 33.49 | 104.29 | 2 | 60 | 0.12 | 0.7 | 7.29 | 8.21 | 7.45 | 22.38 | 3 | 60 | 0.18 | 1.1 | 3.19 | 3.52 | 3.29 | 9.39 | 4 | 120 | 0.06 | 0.7 | 7.29 | 8.21 | 7.41 | 22.39 | 5 | 120 | 0.12 | 1.1 | 2.31 | 2.58 | 2.42 | 7.15 | 6 | 120 | 0.18 | 0.3 | 5.45 | 6.20 | 5.55 | 17.26 | 7 | 180 | 0.06 | 1.1 | 3.19 | 3.52 | 3.32 | 9.44 | 8 | 180 | 0.12 | 0.3 | 5.45 | 6.20 | 6 | 17.26 | 9 | 180 | 0.18 | 0.7 | 1.43 | 2.02 | 1.50 | 5.03 |
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