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. 2020 Apr 29;11(5):469. doi: 10.3390/mi11050469

Table 3.

Wire electrical discharge machining (WEDM) process factors and their respective levels.

Factors Levels
Pulse-on time TON, Machine Unit MU (equivalent microseconds) 1
(10)
3
(16.667)
5
(23.333)
7
(30)
9
(36.667)
Pulse-off time TOFF, Machine Unit MU (equivalent microseconds) 1
(25)
3
(41.667)
5
(58.333)
7
(75)
9
(91.667)
Average gap voltage VGAP (V) 35 55 75
Wire feed WF (m/min) 5 7.5 10 12.5
Dielectric flow rate DF (L/min) 2 3.5 5