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

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Manufacturing And Production Technology
Side rake angle of a single point cutting tool is the angle

Between the surface of the flank immediately below the point and a line drawn from the point perpendicular to the base
By which the face of the tool is inclined towards back
Between the surface of the flank immediately below the point and a plane at right angles to the centre line of the point of the tool
By which the face of the tool is inclined sideways

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