22 Dec 2011

Electro Chemical Machining (ECM)

In ECM,we are using the principle of electrolysis.usually metal is removed from the anode and deposited at cathode.so here the workpiece is made anode and the tool is made cathode.Here we are using hollow tube shaped tool coated with insulating materials to prevent metal deposition.The electrolyte is continuously pumped through the tube in to the workpiece.so the metal is removed from the workpiece and fleshed along with the electrolyte.The electrolyte is filtered and again re-circulated.

The functions of the electrolyte are:
  1. To complete the circuit.
  2. As a coolant.
  3. Cleaning.
Specifications:
  • Tool-Titaniam,Copper,Stainless steel,etc..
  • Tool Coating-Teflon.
  • Electrolyte-2% of Na Cl solution.
  • DC Voltage-5V-30V

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