Table 3: Factors and their responses.

Run numberFactorsResponses
Pulse off time
(s)
Pulse on time
(s)
Pulse current
(A)
Material removal rate
MRR (mm3/min)
Electrode wear rate
EWR (mm3/min)
Surface roughness
SR (m)

128340514.64.75.39
24340523.3711.66.3
3163402518.257.47.22
4283404520.9612.96.25
5163402518.855.77.45
6163402519.557.27.57
745802528.9913.810.12
841002514.533.55.42
9163402518.865.87.23
10165804529.0310.210.16
11161005143.94.28
1216580526.4210.99.15
13161004516.164.15.34
14281002515.663.54.33
15163402517.85.97.43
1643404522.27.27.73
17285802524.3610.49.2