Table 10 Results of the tool wear ratio variance analysis for the second test
Parameter | Degrees of freedom (DF) | Sum of squares (SS) | Mean of squares (MS) | F value | P value | Degree of impact (rank) |
|---|---|---|---|---|---|---|
Voltage | 1 | 0.00500 | 0.00500 | 18.433 | 0.0284 | 2 |
Current | 2 | 0.00371 | 0.00185 | 18.188 | 0.0359 | 3 |
Pulse-on time | 2 | 0.02412 | 0.02060 | 26.581 | 0.0010 | 1 |
Pulse-off time | 2 | 0.00029 | 0.00014 | 3.070 | 0.1207 | 4 |