In this process material is removed by electro chemical dissolution.

I. Electro-chemical machining (ECM)

II. Electro-chemical grinding (ECG)

III. Electro jet drilling

Principle of Electro-chemical machining (ECM):

• This machining process is based on Faradays low of electrolysis.
• It states that the weight of substance produced during electrolysis is directly proportional …