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Question

In orthogonal turning of medium carbon steel, the specific machining energy is 2.J/mm3. The cutting velocity, feed and depth of cut are 120m/min,0.2mm/rev and 2mm respectively. The main cutting force in N is

A
40
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B
80
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C
400
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D
800
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Solution

The correct option is D 800
The energy consumption per unit volume of material removal, commonly known as specific energy,
Cutting force =2×1000×0.2×2=800N

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