A titanium sheet of 5.0 mm thickness is cut by wire-cut EDM... material removal rate?
- A. 150
- B. 200
- C. 300
- D. 400
Answer: B. 200
Explanation: MRR = Feed * Thickness * Kerf. Kerf = wire dia + 2*gap = 1.0 + 2*0.5 = 2.0mm. MRR = 20 mm/min * 5 mm * 2 mm = 200 mm³/min.