Manufacturing And Production Technology
The lip angle is the angle

Between the tool face and the ground end surface of flank
Between the face of the tool and a line tangent to the machined surface at the cutting point
Made by the face of the tool and the plane parallel to the base of the cutting tool
None of the listed here

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Manufacturing And Production Technology
The grooving is an operation of

Enlarging the end of a hole cylindrically
Embossing a diamond shaped pattern on the surface of a workpiece
Beveling the extreme end of a workpiece
Reducing the diameter of a workpiece over a very narrow surface

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