Research Article
Analyzing the Effect of Machining Parameters Setting to the Surface Roughness during End Milling of CFRP-Aluminium Composite Laminates
Table 4
(a) ANOVA result for S1. (b) ANOVA result for S2. (c) ANOVA result for S3.
(a) |
| Response factor | Sum of square | Degree of freedom | Mean square/variance | Ratio () | % contribution |
| A | 8.24621 | 2 | 4.12311 | 3.31265 | 17.23556 | B | 29.98511 | 2 | 14.99256 | 12.04554 | 62.67243 | C | 7.12354 | 2 | 3.56177 | 2.86165 | 14.88905 | Error | 2.48931 | 2 | 1.24466 | 1 | 5.20296 | Total | 47.84418 | 8 | | | 100 |
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(b) |
| Response factor | Sum of square | Degree of freedom | Mean square/variance | Ratio () | % contribution |
| A | 12.49168 | 2 | 6.24584 | 3.45397 | 22.27946 | B | 27.74957 | 2 | 13.87479 | 7.67280 | 49.49258 | C | 12.21027 | 2 | 6.10514 | 3.37616 | 21.77756 | Error | 3.61662 | 2 | 1.80831 | 1 | 6.45040 | Total | 56.06814 | 8 | | | 100 |
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(c) |
| Response factor | Sum of square | Degree of freedom | Mean square/variance | Ratio () | % contribution |
| A | 9.04112 | 2 | 4.52056 | 2.65674 | 25.72415 | B | 18.39459 | 2 | 9.19729 | 5.40526 | 52.33702 | C | 4.30762 | 2 | 2.15381 | 1.26580 | 12.25622 | Error | 3.40309 | 2 | 1.70155 | 1 | 9.68261 | Total | 35.14642 | 8 | | | 100 |
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