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Lacing wire , Damping wire and Binding wire of T\C

 

Lacing wire

It is fitted at anti node provided very effective form of dampening.
It passes through blades and are braced or welded in blades.

Damping wire

All same purpose of Lacing wire , but free moving through holes and crimmed  at either end.
Centrifugal force of wire when it gets thrown out , dampens the vibration , but can cause fretting in blades and need to be dynamically balanced.

Binding wire 

It is used to strengthen the trailing edge of the blade
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