Research Article
Studying and Optimizing the Effect of Process Parameters on Machining Vibration in Turning Process of AISI 1040 Steel
Table 6
Analysis of variance for chip frequency.
| | Source | DF | Adj SS | Adj MS | F value | value |
| | Model | 9 | 92636996 | 10293000 | 43.34 | | | Linear | 3 | 38823611 | 12941204 | 54.49 | | | A | 1 | 36419987 | 36419987 | 153.35 | | | B | 1 | 299521 | 299521 | 1.26 | 0.312 | | C | 1 | 5980997 | 5980997 | 25.18 | 0.004 | | Square | 3 | 21165821 | 7055274 | 29.71 | 0.001 | | A2 | 1 | 12231515 | 12231515 | 51.5 | 0.001 | | B2 | 1 | 792505 | 792505 | 3.34 | 0.127 | | C2 | 1 | 14915918 | 14915918 | 62.81 | 0.001 | | Two-way interaction | 3 | 28164921 | 9388307 | 39.53 | 0.001 | | A B | 1 | 18559860 | 18559860 | 78.15 | | | A C | 1 | 5433264 | 5433264 | 22.88 | 0.005 | | B C | 1 | 4171797 | 4171797 | 17.57 | 0.009 | | Error | 5 | 1187474 | 237495 | — | — | | Pure error | 4 | 360499 | 90125 | — | — | | Total | 14 | 93824469 | — | — | — |
| | Model summary | S (487.334) | R-sq. (98.73%) | R-sq. (adj) (96.46%) | — | — |
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