Manufacturing And Production Technology
The effect of setting a boring tool above center height leads to

Decrease in both effective rake angle and effective clearance angle
Increase in the effective rake angle and a decrease in the effective clearance angle
Increase in both effective rake angle and effective clearance angle
Decrease in the effective rake angle and an increase in the effective clearance angle

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Manufacturing And Production Technology
The snag grinding is done

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

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