Loss of accuracy of work-piece: Shifting of tool position due to vibration of cutting tool
This phenomenon is generally referred as 'chatter vibration'.
There are two types of chatter:
- Forced chatter : Force chatter originates in the driving system ( for eg. from a motor) and gets transmitted to the cutting zone.
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- Self excited chatter : Self excited chatter is generated due to uneven surface of the work piece, fractures of metal swarf etc.
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