Table 6 Results of the material removal rate 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 | 0.716 | 0.716 | 3.418 | 0.1069 | 4 |
Current | 2 | 7.190 | 3.595 | 26.323 | 0.0011 | 1 |
Pulse-on time | 2 | 1.598 | 0.799 | 3.478 | 0.0993 | 3 |
Pulse-off time | 2 | 5.484 | 2.742 | 16.618 | 0.0036 | 2 |