Manufacturing And Production Technology
The grooving is an operation of

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

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Manufacturing And Production Technology
The snag grinding is done

To produce good surface finish and high degree of accuracy
Any one of the above
To grind exterior cylindrical surfaces
To remove considerable amount of metal without regard to accuracy of the finished surface

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