Discussion :: Manufacturing and Production Technology
- In determining the various forces on the chip, Merchant assumed that the
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A.
Cutting edge of the tool is sharp and it does not make any flank contact with the workpiece |
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B.
Only continuous chip without built-up-edge is produced |
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C.
Cutting velocity remains constant |
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D.
All of the above |
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Answer : Option D
Explanation :
Assumption in Merchant's Force Circle: - The chip is considered in equilibrium under action of two equal and opposite collinear forces. -The stress is maximum at the shear plane and it remains constant. - The shear takes place in a direction in which the energy required for shearing is minimum
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