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Calculation of Milling Time

Feed rate in ...

Question

Feed rate in slab milling operation is equal to

A

rotation per minute (rpm)

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B

product of rpm and number of teeth in the cutter

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C

product of rpm, feed per tooth and number of teeth in the cutter

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D

product of rpm, feed per tooth and number of teeth in contact.

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Solution

The correct option is C product of rpm, feed per tooth and number of teeth in the cutter
Feed =

Feed rate in slab milling operation = $f_{m}$
$f_{m} {= f}_{t} Z N$
$where, f_{t} = feed per tooth$
Z = number of teeth in cutter
N = rpm

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