When the depth of cut is increased, the specific cutting energy

Increases

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Decreases

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Remains same

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Reaches an optimum value

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Solution

The correct option is B Decreases
When the depth of cut is increased, the specific cutting energy decreases.

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Similar questions

Q. In orthogonal turning of medium carbon steel, the specific machining energy is

2. J / m m^{3}

. The cutting velocity, feed and depth of cut are

120 m / m i n, 0.2 m m / r e v

and

2 m m

respectively. The main cutting force in

N

Common Data:
A disc of $200 m m$ outer and $80 m m$ inner diameter is faced at a feed of $0.1 m m / r e v$ with a depth of cut of $1 m m$ . The facing operation is undertaken at a constant cutting speed of $90 m / m i n$ in a CNC lathe The main (tangential) cutting force is $200 N$

Neglecting the contribution of the feed force towards cutting power, the specific cutting energy in $J / m m^{3}$ is