GATE ME 2014 Set 1 — Question 62
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Manufacturing Processes → Machining & Machine Tools → Orthogonal & Oblique Cutting
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Question
During pure orthogonal turning operation of a hollow cylindrical pipe, it is found that the thickness of the chip produced is mm. The feed given to the zero degree rake angle tool is mm/rev. The shear strain produced during the operation is _______
Correct answer
2.8 to 3
Solution
Given:
Uncut chip thickness () = feed () = mm/rev (for orthogonal turning)
Chip thickness () = mm
Rake angle () =
Uncut chip thickness () = feed () = mm/rev (for orthogonal turning)
Chip thickness () = mm
Rake angle () =
1.Calculate the chip thickness ratio ():
2.Calculate the shear angle ():
Since :3.Calculate the shear strain ():
Substituting :The shear strain produced is .Continue learning with Success Tracker
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