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Non conventional Machining is a recent development in machining techniques. It is based on unconventional machining techniques using Laser beam, Electron beam, Electric arc etc. Conventional machining involves the direct contact of tool and work -piece, whereas unconventional machining does not require the direct contact of tool and wor piece. Conventional machining has many disadvantages like tool wear which are not present in Non-conventional machining.

Examples : Electric arc machining, Laser cutting , electro discharge machining, plasma cutting etc

Advantages of Non-conventional machining:

1) High accuracy and surface finish

2) no direct contact of tool and workpiece, so there is less/no wear

3) tool life is more

4 ) quieter operation

Disadvantages of non-conventional machining:

1) high cost

2) complex set-up

3) skilled operator required

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