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

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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Concept explainers

Joining Processes

It is the process of permanent or temporary joining of two metal pieces with the help of heat or pressure. Two metal parts are assembled by applying an energy source for the formation of a single unit. The obtained joined metals cannot be fragmented easily with the application of any force.

Question

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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