Un-Conventional Machining(Non-Traditional Machining)

In the conventional methods of machining,we were using a harder tool against the relatively softer workpiece and material were removed in the form of chips.But in the non-traditional methods,we are using other technology such as electric spark or chemical energy,etc.for the machining to optain a better result.

Advantages

• Tool need not harder than the workpiece.
• More complex shapes can be machined.
• Brittle materials can be easily machined by using such processes.
• Better surface finish.

Disadvantages/Limitations

• Cost is high.
• Relatively slow process.
• The work should electrically conductive in most of cases.

There are four (4) methodes for unconventional machining.they are:

• Thermal Energy Method

Eg:-

1. EDM-Electric Discharge Machining
2. EDG-Electric Discharge Grinding
3. WCEDM-Wire cut Electric Discharge Machining
4. LBM-LASER Beam Machining

• Electro Chemical Energy Method

Eg:-

1. ECM-Electro Chemical Machining

• Chemicam Energy Method

Eg:-

1. ..................

• Mechanical Energy Method

Eg:-

1. USM-Ultra Sonic Machining
2. AJM-Abrassive Jet Machining
3. WJM-Water Jet Machining

In thermal energy methods,we are producing a high temperature using electric spark,LASER,etc..

In electro chemical methods,we are using the principle of electrolysis.

In chemical energy methods,we are using a controlled erosion using proper chemicals.

In mechanical energy methods,the material is removed using mechanical force.inthis method,the tool need not be electrically conductive.