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In a turning operation with orthogonal machining, the spindle rotates at 270 rpm and tool is fed at a rate of 0.3 mm/rev. The depth of cut is 0.5 mm. The rake angle is 10° and coefficient of friction at the tool chip interface to be 0.5317. What is the value of chip thickness?
  • a)
    0.30 mm
  • b)
    0.40 mm
  • c)
    0.46 mm
  • d)
    0.50 mm
Correct answer is option 'C'. Can you explain this answer?
Most Upvoted Answer
In a turning operation with orthogonal machining, the spindle rotates ...
In orthogonal machining, λ = 90° 
Depth of cut, d = b = 0.5 mm 
t = f (feed) = 0.3 mm/rev 
α = 10° 
β = tan
-1
μ = tan
-1
(0.5317) = 28° 
From merchant theory,
 2Φ + β - α  = 90° 
Φ = 36° 

r = 0.654
r = t/t
c
  = 0.3/t
c
  
t
c
= 0.3/0.654
= 0.46 mm
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In a turning operation with orthogonal machining, the spindle rotates at 270 rpm and tool is fed at a rate of 0.3 mm/rev. The depth of cut is 0.5 mm. The rake angle is 10° and coefficient of friction at the tool chip interface to be 0.5317. What is the value of chip thickness?a)0.30 mmb)0.40 mmc)0.46 mmd)0.50 mmCorrect answer is option 'C'. Can you explain this answer?
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In a turning operation with orthogonal machining, the spindle rotates at 270 rpm and tool is fed at a rate of 0.3 mm/rev. The depth of cut is 0.5 mm. The rake angle is 10° and coefficient of friction at the tool chip interface to be 0.5317. What is the value of chip thickness?a)0.30 mmb)0.40 mmc)0.46 mmd)0.50 mmCorrect answer is option 'C'. Can you explain this answer? for Mechanical Engineering 2024 is part of Mechanical Engineering preparation. The Question and answers have been prepared according to the Mechanical Engineering exam syllabus. Information about In a turning operation with orthogonal machining, the spindle rotates at 270 rpm and tool is fed at a rate of 0.3 mm/rev. The depth of cut is 0.5 mm. The rake angle is 10° and coefficient of friction at the tool chip interface to be 0.5317. What is the value of chip thickness?a)0.30 mmb)0.40 mmc)0.46 mmd)0.50 mmCorrect answer is option 'C'. Can you explain this answer? covers all topics & solutions for Mechanical Engineering 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for In a turning operation with orthogonal machining, the spindle rotates at 270 rpm and tool is fed at a rate of 0.3 mm/rev. The depth of cut is 0.5 mm. The rake angle is 10° and coefficient of friction at the tool chip interface to be 0.5317. What is the value of chip thickness?a)0.30 mmb)0.40 mmc)0.46 mmd)0.50 mmCorrect answer is option 'C'. Can you explain this answer?.
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