Manufacturing And Production Technology
Side relief angle of a single point 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 tool
By which the face of the tool is inclined sideways

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Manufacturing And Production Technology
The facing is an operation of

Embossing a diamond shaped pattern on the surface of a workpiece
Machining the ends of a workpiece to produce a flat surface square with the axis
Beveling the extreme end of a workpiece
Reducing the diameter of a workpiece over a very narrow surface

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