Table 1 Ranges of process parameters.

From: Predictive modelling and optimization of WEDM of nickel aluminium bronze alloy using optimised support vector regression and evolutionary algorithm

Process parameters

Levels

Level 1

Level 2

Level 3

Pulse on time (Pon)

115

125

135

Pulse off time (Poff)

55

60

65

Peak current (Ip)

12

14

16

Servo voltage (SV)

35

45

55

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