121) In order to achieve a specific surface finish in single point turning, the most important factor to be controlled is

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cutting speed

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The flank of the tool is the surface or surfaces below and adjacent to the cutting edges

The nose is the corner, arc or chamfer joining the side cutting and the end cutting edges

The heel is the part of the tool which is shaped to produce the cutting edges and face

The base is that surface of the shank which bears against the support and takes tangent pressure of the cut

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