Manufacturing And Production Technology
In ultrasonic machining, the metal is removed by

Direct contact of tool with the work
Erosion caused by rapidly recurring spark discharges between the tool and work
Maintaining an electrolyte between the work and tool in a very small gap between the two
Using abrasive slurry between the tool and work

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Manufacturing And Production Technology
The grooving is an operation of

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

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