Level | Taguchi method | Lineal regression equations | Quadratic regression equations | ||||||
Exp. | Pred. | Error (%) | Exp. | Pred. | Error (%) | Exp. | Pred. | Error (%) | |
Ra (µm) |
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Vc2ap1 f1 (Optimum) | 0.165 | 0.054 | 66.909 | 0.165 | 0.647 | 292.181 | 0.165 | 0.137 | 16.806 |
Vc1ap2 f2 (Random 2) | 1.102 | 0.818 | 25.708 | 1.102 | 0.7592 | 31.107 | 1.102 | 1.080 | 1.916 |
Vc3ap1 f3 (Random 7) | 1.157 | 1.111 | 3.915 | 1.157 | 1.007 | 12.964 | 1.157 | 1.131 | 2.167 |
VBmax (mm) |
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Vc1ap2 f3 (Optimum) | 0.909 | 0.238 | 73.729 | 0.909 | 1.155 | 27.062 | 0.909 | 0.916 | 0.869 |
Vc1ap2 f2 (Random 2) | 0.905 | 0.913 | 0.972 | 0.905 | 0.980 | 8.287 | 0.905 | 0.853 | 5.679 |
Vc3ap1 f3 (Random 7) | 0.640 | 0.648 | 1.375 | 0.640 | 0.848 | 32.562 | 0.640 | 0.582 | 8.937 |