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The frontal working area of the electrode in an Electrochemical Machining (ECM) operation is 1000 mm. The applied current is 900 amps and the voltage is 12 volts. The resistivity of the electi olyte is 140 Q-mm. The material being cut has a valency of 4 and specific removal rate of 0.0342 mm /A-s. If the process efficiency is 90%, determine the material remova! rate (MRR) and inter-electrode gap after 30 minutes of machining when the resistivity of the electrolyte has dropped to 75% of its original value.

The frontal working area of the electrode in an Electrochemical Machining (ECM) operation is 1000 mm. The applied current is 900 amps and the voltage is 12 volts. The resistivity of the electi olyte is 140 Q-mm. The material being cut has a valency of 4 and specific removal rate of 0.0342 mm /A-s. If the process efficiency is 90%, determine the material remova! rate (MRR) and inter-electrode gap after 30 minutes of machining when the resistivity of the electrolyte has dropped to 75% of its original value.

Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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The frontal working area of the electrode in an Electrochemical Machining (ECM) operation is 1000 mm. The applied current is 900 amps and the voltage is 12 volts. The resistivity of the electi olyte is 140 Q-mm. The material being cut has a valency of 4 and specific removal rate of 0.0342 mm /A-s. If the process efficiency is 90%, determine the material remova! rate (MRR) and inter-electrode gap after 30 minutes of machining when the resistivity of the electrolyte has dropped to 75% of its original value.
Transcribed Image Text:The frontal working area of the electrode in an Electrochemical Machining (ECM) operation is 1000 mm. The applied current is 900 amps and the voltage is 12 volts. The resistivity of the electi olyte is 140 Q-mm. The material being cut has a valency of 4 and specific removal rate of 0.0342 mm /A-s. If the process efficiency is 90%, determine the material remova! rate (MRR) and inter-electrode gap after 30 minutes of machining when the resistivity of the electrolyte has dropped to 75% of its original value.
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