Note: All dimensions are in mm Ø 34 7. 3.) 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 conditions: 30 - 70 *-50- 120 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

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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Note: All dimensions are in mm
Ø 34
3.) 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
Ø 30
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
Transcribed Image Text:Note: All dimensions are in mm Ø 34 3.) 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 Ø 30 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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