Manufacturing And Production Technology
EDM machining is applied for

Shaping carbide dies and punches having complicated profiles
All of the listed here
Making large number of small holes in sieves and fuel nozzles
Embossing and engraving on harder materials

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

Using abrasive slurry between the tool and work
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

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