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Wednesday, July 17, 2013

Picking


Pick: A single weft thread in a woven fabric.

Picking:

Picking is the second primary motion in the weaving. It is the action of filling insertion the weft through the warp shed from one edge of fabric to the other edge.

Picking may be carried out with or without shuttle. The mechanism of shuttle picking is negative, complicated, elaborate, costly and unsatisfactory.

So, now a days, positive picking may be invented in shuttle less looms.

 Function/Purpose of picking:
  • To insert the weft of a predetermined velocity through the shed
  • To reject/pass the shuttle at a predetermined velocity
  • To deliver the shuttle across the current flight path
 

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