The top surface of a rectangular workpart is machined using a peripheral milling operation. The workpart is 735 mm long by 50 mm wide by 95 mm thick. The milling cutter, which is 60 mm in diameter and has five teeth, overhangs the width of the part equally on both sides. Cutting speed = 80 m/min, chip load = 0.30 mm/tooth, and depth of cut = 7.5 mm. (a) Determine the time required to make one pass acrss the surface, given that the setup and machine settings provide an approach distance of 5 mm before actual cutting begins and an overtravel distance of 25 mm after actual cutting has finished v in seconds. (b) What is the maximum material removal rate during the cut v in mm /sec?

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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The top surface of a rectangular workpart is machined using a peripheral milling
operation. The workpart is 735 mm long by 50 mm wide by 95 mm thick. The milling
cutter, which is 60 mm in diameter and has five teeth, overhangs the width of the
part equally on both sides. Cutting speed = 80 m/min, chip load = 0.30 mm/tooth,
and depth of cut = 7.5 mm. (a) Determine the time required to make one pass across
the surface, given that the setup and machine settings provide an approach distance
of 5 mm before actual cutting begins and an overtravel distance of 25 mm after
1.2
9.
20
65
73
actual cutting has finished
v in seconds. (b) What is the maximum material
3.9
239
removal rate during the cut
v in mm3/sec?
0.127
5
Transcribed Image Text:Expert Q&A Done The top surface of a rectangular workpart is machined using a peripheral milling operation. The workpart is 735 mm long by 50 mm wide by 95 mm thick. The milling cutter, which is 60 mm in diameter and has five teeth, overhangs the width of the part equally on both sides. Cutting speed = 80 m/min, chip load = 0.30 mm/tooth, and depth of cut = 7.5 mm. (a) Determine the time required to make one pass across the surface, given that the setup and machine settings provide an approach distance of 5 mm before actual cutting begins and an overtravel distance of 25 mm after 1.2 9. 20 65 73 actual cutting has finished v in seconds. (b) What is the maximum material 3.9 239 removal rate during the cut v in mm3/sec? 0.127 5
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