Manufacturing And Production Technology
With the same tool life, the maximum material per minute is removed by

Increasing the cutting speed
Decreasing the cutting speed
Increasing the feed rate
Increasing the depth of cut

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

Erosion caused by rapidly recurring spark discharges between the tool and work
Direct contact of tool with the work
Using abrasive slurry 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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