(25 Marks) Q3: A A round hole 10 mm in diameter is being produced in a Ti-alloy block by EDM. Calculate: E The time required for machining a 15 mm deep hole and compare the time with that for drílling. 2- Wear rate of the clectrode. 3- Wear ratio. Assuming: The melting point of workpiece material 1873.15 K The melting point of electrode 1373.15 K EDM current 100 A Spindle speed 300 грm Feed 0.15 mm/rev

Elements Of Electromagnetics
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Author:Sadiku, Matthew N. O.
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Q3:
2- Co
(25 Marks)
A/ A round hole 10 mm in diameter is being produced in a Ti-alloy block by EDM. Calculate:
I- The time required for machining a 15 mm deep hole and compare the time with that for drílling.
2- Wear rate of the electrode.
3- Wear ratio.
Assuming:
The melting point of workpiece material
1873.15 K
The melting point of electrode
1373.15 K
EDM current
100 A
Spindle speed
300 грm
Feed
0.15 mm/rev
Transcribed Image Text:Q3: 2- Co (25 Marks) A/ A round hole 10 mm in diameter is being produced in a Ti-alloy block by EDM. Calculate: I- The time required for machining a 15 mm deep hole and compare the time with that for drílling. 2- Wear rate of the electrode. 3- Wear ratio. Assuming: The melting point of workpiece material 1873.15 K The melting point of electrode 1373.15 K EDM current 100 A Spindle speed 300 грm Feed 0.15 mm/rev
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