Note: All dimensions are in mm 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

Note: All dimensions are in mm 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

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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Concept explainers

Machining Processes and Machine Tools

Machining is represented as the process in which an excessive amount of substance is eliminated from the particular element in the form of pieces. In machining, cutting tools such as rotary tools, lathe, drill press, grinder, chop saw, welders, and many more are applied to get the desired shape. As compared to other manufacturing processes, machining is precise and versatile.

Question

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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