Tool	Brass—Wire 0.25 mm
Workpiece	HSS block (as a cutting tool for machining of VCN 150 with a diameter of 12 mm)
Parameter	Specification of spark energy (1 pass):
	Pass No. 1: IP:14, ON time: 0.75 μs, OFF time: 30 μs, VG: 80 v, WT: 1 N/m, WS: 8.4 m/min, DF:8 (L/m), FA: 10 mm/min, H: 0.156 mm
	Specification of spark energy (2 passes):
	Pass No. 1: IP: 14, ON time: 0.75 μs, OFF time: 30 μs, VG: 80 v, WT: 1 N/m, WS: 8.4 m/min, DF:8 (L/m), FA: 10 mm/min, H: 0.186 mm
	Pass No. 2: IP: 9, ON time: 0.75 μs, OFF time: 30 μs, VG: 20 v, WT: 1.4 N/m, WS: 9 m/min, DF:0 (L/m), FA: 2.775 mm/min, H: 0.140 mm
	Specification of spark energy (3 passes):
	Pass No. 1: IP:14, ON time: 0.75 μs, OFF time: 30 μs, VG: 80 v, WT: 1 N/m, WS: 8.4 m/min, DF:8 (L/m), FA: 10 mm/min, H: 0.186 mm
	Pass No. 2: IP:9, ON time: 0.75 μs, OFF time: 30 μs, VG: 20 v, WT: 1.4 N/m, WS: 9 m/min, DF:0 (L/m), FA: 2.775 mm/min, H: 0.140 mm
	Pass No. 3: IP:4, ON time: 0.45 μs, OFF time: 30 μs, VG: 14 v, WT: 1.4 N/m, WS: 6.8 m/min, DF:0 (L/m), FA: 2 mm/min, H: 0.128 mm
Dielectric	Oil—oil bath
IP: Intensity of power (base of the Mitsubishi table); ON time: pulse time during discharging; OFF: pulse interval time; VG: gap voltage during discharging; WT: wire tension; WS: wire traveling speed; DF: dielectric fluid flow rate (L/m); FA: actual feed rate of electrode in cutting direction; and H: distance between electrode center and workpiece surface.