Calculate the machining time to drill four 20 mm diameter holes and one 50 mm diameter central' fhole in the flange as shown below. Take cutting speed 20 m/min, feed for 20 mm drill 0.2 mm/rev, and for 50 mm drill food is 06 mm/rou the noint ngle is 12009

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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Q5: А:
Calculate the machining time to drill four 20 mm diameter holes and one 50 mm diameter central'fole
in the flange as shown below. Take cutting speed 20 m/min, feed for 20 mm drill 0.2 mm/rev, and for
50 mm drill feed is 0.6 mm/rev, the point angle is 120°?
20x4
\$200
D100
Transcribed Image Text:Q5: А: Calculate the machining time to drill four 20 mm diameter holes and one 50 mm diameter central'fole in the flange as shown below. Take cutting speed 20 m/min, feed for 20 mm drill 0.2 mm/rev, and for 50 mm drill feed is 0.6 mm/rev, the point angle is 120°? 20x4 \$200 D100
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