Manufacturing And Production Technology
The correct sequence of the following parameters in order of their maximum to minimum influence on tool life is

Feed rate, cutting speed, depth of cut
Depth of cut, cutting speed, feed rate
Cutting speed, feed rate, depth of cut
Feed rate, depth of cut, cutting speed

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Manufacturing And Production Technology
In plunge grinding

The work is reciprocated as the wheel feeds to produce cylinders longer than the width of wheel face
The work is reciprocated as the wheel feeds to produce cylinders shorter than the width of wheel face
The work rotates in a fixed position as the wheel feeds to produce cylinders longer than the width of wheel face
The work rotates in a fixed position as the wheel feeds to produce cylinders equal to or shorter than the width of wheel face

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