Common Data:
An orthogonal operation is carried out at $20 m / m i n$ cutting speed, using a cutting tool of rake angle $15$ degree. The chip thickness is $0.4 m m$ and uncut chip thickness is $0.2 m m$

The chip velocity (in $m / m i n$ ) is

8

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Solution

The correct option is B $10$
The relationship between chip velocity and cutting velocity:
$\frac{V_{f}}{V_{c}} = r$
The chip velocity:
$V_{f} = r V_{c}$
$= 0.5 \times 20 = 10 m / m i n$

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Common Data: An orthogonal operation is carried out at 20m/min cutting speed, using a cutting tool of rake angle 15 degree. The chip thickness is 0.4mm and uncut chip thickness is 0.2mm The chip velocity (in m/min) is

The correct option is B 10The relationship between chip velocity and cutting velocity: VfVc=r The chip velocity: Vf=rVc =0.5×20=10m/min

Common Data:
An orthogonal operation is carried out at $20 m / m i n$ cutting speed, using a cutting tool of rake angle $15$ degree. The chip thickness is $0.4 m m$ and uncut chip thickness is $0.2 m m$

The chip velocity (in $m / m i n$ ) is

The correct option is B $10$
The relationship between chip velocity and cutting velocity:
$\frac{V_{f}}{V_{c}} = r$
The chip velocity:
$V_{f} = r V_{c}$
$= 0.5 \times 20 = 10 m / m i n$