Manufacturing And Production Technology
While cutting helical gears on a non-differential gear hobber, the feed change gear ratio is

Interrelated to index change gear ratio
Dependent on speed change gear ratio
Independent of speed and index change gear ratio
Independent of index change gear ratio

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Manufacturing And Production Technology
Glazing in grinding wheels takes place when the

Wheel is too hard and wheel revolves at very slow speed
Wheel is too soft or wheel revolves at a very slow speed
Wheel is too soft and wheel revolves at a very high speed
Wheel is too hard or wheel revolves at a very high speed

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Manufacturing And Production Technology
In transverse grinding

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 is reciprocated 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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