In ECM operation of pure iron an equilibrium gap (h) of 2 mm is to be kept. What will be the supply voltage (v), if the total overvoltage is 2.5 Volts. The resistivity(r) of the electrolyte is 50 Ω-mm and the set feed rate (f) is 0.25 mm/min.

Electrochemical grinding (ECG) is a machining process that combines electrochemical machining (ECM) and conventional grinding. It's also known as electrolytic grinding or enotic machining. ECG is a non-traditional machining process that uses a negatively charged abrasive grinding wheel, an electrolyte fluid, and a positively charged workpiece to remove electrically conductive material. The workpiece becomes an anode and the grinding wheel becomes a cathode. The process removes material from the workpiece both electrochemically and mechanically. ECG combines electrolytic action (90%) and... Show more

Electrochemical grinding (ECG) is a machining process that combines electrochemical machining (ECM) and conventional grinding. It's also known as electrolytic grinding or enotic machining.
ECG is a non-traditional machining process that uses a negatively charged abrasive grinding wheel, an electrolyte fluid, and a positively charged workpiece to remove electrically conductive material. The workpiece becomes an anode and the grinding wheel becomes a cathode. The process removes material from the workpiece both electrochemically and mechanically.
ECG combines electrolytic action (90%) and physical grinding (10%) to provide precision, burr-free and stress-free results. The electrolytic reaction eliminates the need for a separate deburring operation.
In a typical ECG operation, the voltage ranges from 1 to 20 volts, but is generally around 7-12 volts.

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