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Various Types OF Binding Fibres

  • Class 1 fibre :- the yarn tail picks up the trailing end of a fibre which lies wholly on the surface of the rotor. The fibre is integrated into the yarn & tends to take a helical form, which will be distorted by migration. The original fibre direction is reversed. This fibre is called as class1 fibre.
  • Class 2 fibre :- the fibre is just emerging from the transparent tube as the yarn tail sweeps past. The leading end of the fibre is picked up & moves towards the centre ; the trailing end is flung onto the surface of the rotor ;The fibre becomes a “bridging fibres”. I.E., Fibres that bridge the gap that should theoretically occur behind the pick-up point, p. The fibre is integrated in the yarn & tends to take a helical form as in class 1, but there is no change in fibre direction. This fibre is called as class 2 fibre.
  • Class 3 fibre : a fibre that has partly emerged when the yarn tail arrives : the leading part is on the surface of the rotor ; the trailing part is tube. The fibre is picked up at some point along its length. The leading end is integrated in the reverse direction . the trailing end is integrated in the forward direction. A leading hook is created. This fibre  is called as class 3 fibre.

 



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