Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN: 9780190698614
Author: Sadiku, Matthew N. O.
Publisher: Oxford University Press
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Note: All dimensions are in mm
Ø 34
A 34 mm diameter x 120 mm shafting will be turned
using a lathe to produce a step shafting as shown in the
figure. Calculate the required (minimum) total
machining time Tm with the following cutting
30
-70-
50
120
conditions:
Step Shafting
Rough Turn: V = 30 m/min; Max. Depth of Cut = 1.5 mm; Feed = 0.2 mm/rev
Finish Turn: V = 60 m/min; Max. Depth of Cut = 0.5 mm; Feed = 0.05 mm/rev
Lathe available rpm: 150, 200, 250, 350, 400, 450, 500, 550, 600, 650, 700
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Transcribed Image Text:Note: All dimensions are in mm Ø 34 A 34 mm diameter x 120 mm shafting will be turned using a lathe to produce a step shafting as shown in the figure. Calculate the required (minimum) total machining time Tm with the following cutting 30 -70- 50 120 conditions: Step Shafting Rough Turn: V = 30 m/min; Max. Depth of Cut = 1.5 mm; Feed = 0.2 mm/rev Finish Turn: V = 60 m/min; Max. Depth of Cut = 0.5 mm; Feed = 0.05 mm/rev Lathe available rpm: 150, 200, 250, 350, 400, 450, 500, 550, 600, 650, 700
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