A shaft shown in Figure Q3 is to be machined using a lathe machine. The diameter of a raw block is Do= 44 mm with length of Lo= 60 mm. The minimum machining time is targeted for this process by using maximum depth of cut of 2 mm to obtain uniform tool wear. The hole is also drilled in a single pass by using a drill bit of 12 mm diameter and point angle of 120⁰. 60 25 10 Figure Q3 (all dimensions in millimetre) (a) Calculate the total machining time of the shaft if the cutting speed and feed for both turning and drilling processes are 40 m/min and 0.2 mm/rev, respectively. (b) Determine the material removal rate of turning and drilling processes. 40 τεφ 012

A shaft shown in Figure Q3 is to be machined using a lathe machine. The diameter of a raw block is Do= 44 mm with length of Lo= 60 mm. The minimum machining time is targeted for this process by using maximum depth of cut of 2 mm to obtain uniform tool wear. The hole is also drilled in a single pass by using a drill bit of 12 mm diameter and point angle of 120⁰. 60 25 10 Figure Q3 (all dimensions in millimetre) (a) Calculate the total machining time of the shaft if the cutting speed and feed for both turning and drilling processes are 40 m/min and 0.2 mm/rev, respectively. (b) Determine the material removal rate of turning and drilling processes. 40 τεφ 012

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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