A/ A round hole 10 mm in diameter is being produced in a Ti-alloy block by EDM. Caleulate: E The time required for machining a 15 mm deep hole and compare the time with that for drilling. 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 rpm Feed 0.15 mm/rev

Elements Of Electromagnetics
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ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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A/ A round hole 10 mm in diameter is being produced in a Ti-alloy block by EDM. Caleulate:
I- The time required for machining a 15 mm deep hole and compare the time with that for drilling.
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 rpm
Feed
0.15 mm/rev
Transcribed Image Text:A/ A round hole 10 mm in diameter is being produced in a Ti-alloy block by EDM. Caleulate: I- The time required for machining a 15 mm deep hole and compare the time with that for drilling. 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 rpm Feed 0.15 mm/rev
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