A turning operation is carried out on aluminum. Based on the specific energy values in Table 17.2, determine material removal rate and cutting power in the operation under the following sets of cutting conditions: (a) Cutting speed = 5.6 m/s, feed = 0.25 mm/rev, and depth of cut = 2.0 mm; and (b) cutting speed = 1.3 m/s, feed = 0.75 mm/rev, and depth = 4.0 mm.
A turning operation is carried out on aluminum. Based on the specific energy values in Table 17.2, determine material removal rate and cutting power in the operation under the following sets of cutting conditions: (a) Cutting speed = 5.6 m/s, feed = 0.25 mm/rev, and depth of cut = 2.0 mm; and (b) cutting speed = 1.3 m/s, feed = 0.75 mm/rev, and depth = 4.0 mm.
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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Transcribed Image Text:A turning operation is carried out on aluminum. Based on the specific energy values in Table 17.2, determine
material removal rate and cutting power in the operation under the following sets of cutting conditions:
(a) Cutting speed = 5.6 m/s, feed = 0.25 mm/rev, and depth of cut = 2.0 mm; and
(b) cutting speed = 1.3 m/s, feed = 0.75 mm/rev, and depth = 4.0 mm.
Transcribed Image Text:Specific Energy U or Unit Power P
N-m/mm
Material
Brinell Hardness
Carbon steel
150-200
1.6
201-250
2.2
251-300
2.8
Alloy steels
200-250
2.2
251-300
2.8
301-350
3.6
351-400
4.4
Cast irons
125-175
1.1
175-250
1.6
Stainless steel
150-250
2.8
Aluminum
50-100
0.7
Aluminum allovs
100–150
0.8
Brass
100–150
2.2
Bronze
100-150
2.2
Magnesium alloy
50-100
0.4
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