A turning operation is performed on C1008 steel (a ductile steel) using a tool with a nose radius = 1.3 mm. Cutting speed = 61 m/min and feed = 0.27 mm/rev. Compute an estimate of the surface roughness in this operation. (Hint: the ratio of actual to ideal roughness can be read on the figure below) Equations used Ri f² 32NR Ra = rai Ri Actual Theoretical Ratio= 2.4 2.2 2.0 1.8 1.4 1.2 1.0 0 Ductile metals Cast irons Free machining alloys 100 1 30.5 200 Cutting speed-ft/min 1 61 300 91.5 Cutting speed - m/min T 400 I 122
A turning operation is performed on C1008 steel (a ductile steel) using a tool with a nose radius = 1.3 mm. Cutting speed = 61 m/min and feed = 0.27 mm/rev. Compute an estimate of the surface roughness in this operation. (Hint: the ratio of actual to ideal roughness can be read on the figure below) Equations used Ri f² 32NR Ra = rai Ri Actual Theoretical Ratio= 2.4 2.2 2.0 1.8 1.4 1.2 1.0 0 Ductile metals Cast irons Free machining alloys 100 1 30.5 200 Cutting speed-ft/min 1 61 300 91.5 Cutting speed - m/min T 400 I 122
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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![A turning operation is performed on C1008 steel (a ductile steel) using a tool with a nose radius = 1.3 mm. Cutting speed = 61 m/min and feed = 0.27 mm/rev. Compute an estimate of the surface roughness in this operation. (Hint: the ratio of actual to ideal roughness can
be read on the figure below)
Equations used
R₁ =
f²
32NR
Ra = rai Ri
Actual
Theoretical
Ratio=
2.4
2.2
2.0
1.8
1.4
1.2
1.0
0
Ductile metals
Cast irons
Free machining alloys
100
I
30.5
200
Cutting speed-ft/min
I
61
300
91.5
Cutting speed - m/min
T
400
I
122](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F3f8a6c8f-9c9e-4a3f-8cfc-fb848b18acc8%2Ff1ee4d60-2621-4f58-b9df-ea9f3b2d6cdb%2Fhkfaf0i_processed.gif&w=3840&q=75)
Transcribed Image Text:A turning operation is performed on C1008 steel (a ductile steel) using a tool with a nose radius = 1.3 mm. Cutting speed = 61 m/min and feed = 0.27 mm/rev. Compute an estimate of the surface roughness in this operation. (Hint: the ratio of actual to ideal roughness can
be read on the figure below)
Equations used
R₁ =
f²
32NR
Ra = rai Ri
Actual
Theoretical
Ratio=
2.4
2.2
2.0
1.8
1.4
1.2
1.0
0
Ductile metals
Cast irons
Free machining alloys
100
I
30.5
200
Cutting speed-ft/min
I
61
300
91.5
Cutting speed - m/min
T
400
I
122
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