Sample Problem 1 A man create a 5 inches thick hole with a 2" diameter on an aluminum flat bar. Using a feed rate of 0.001 in/ rev with a drill spindle speed of 100 rpm. Calculate the following: a) Drill penetration speed in (in/min) b) Drilling time (min) c) Material Removal Rate (in? /min).

Sample Problem 1 A man create a 5 inches thick hole with a 2" diameter on an aluminum flat bar. Using a feed rate of 0.001 in/ rev with a drill spindle speed of 100 rpm. Calculate the following: a) Drill penetration speed in (in/min) b) Drilling time (min) c) Material Removal Rate (in? /min).

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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Sample Problem 1
A man create a 5 inches thick hole with a 2" diameter on an
aluminum flat bar. Using a feed rate of 0.001 in/ rev with a
drill spindle speed of 100 rpm. Calculate the following:
a) Drill penetration speed in (in/min)
b) Drilling time (min)
c) Material Removal Rate (in? /min).

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