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K.P. Rajurkar

K.P. Rajurkar is Mohr professor of engineering and director of the Nontraditional Manufacturing Research Center at the University of Nebraska-Lincoln.

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Articles September 1, 1996 K.P. Rajurkar

Beyond Cool

Researchers tried bathing inserts in liquid nitrogen to keep them cool while cutting hard-to-machine materials. This article reports the results of this experiment. It shows how the use of cryogenic coolant can keep temperatures down and prolong tool life while machining titanium aluminum vanadium and reaction-bonded silicon nitride.

Articles April 1, 1996 K.P. Rajurkar

A Spark of Intelligence

EDM cutting conditions change throughout the cutting process as the part thickness and the level of dielectric contamination fluctuates. This article describes an experimental setup that can monitor these fluctuations and adjust the EDM's settings to maintain an optimal spark.

K.P. Rajurkar

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