Copper electrode with small rib

Data
Machine tool HS430L
Workpiece material Cu
Size Rib width: 0.2 mm
Rib height: 15 mm
Machining time 134 min
Rough: 48 min
Finish: 86 min
Machining condition Spindle speed:
20,000 – 30,000min-1
Feed rate:
500 – 2,000 mm/min
Cutting tool End mill
Machining time of concavity 5 h 10 min
Dielectric fluid Water