WARPING

OBJECTIVE

  • Forming a parallel sheet of yarn onto a warpers beam or section beam from single end packages.
  • Cones winding for warping is done at higher tension.
  • Static eliminator  device is used for yarn producing high static charge.
  • Direct warping is done mostly when sizing is required and large number of ends are required in weaver’s beam. 
  • Section warping usually done if sizing is not required.
Direct Warping 

  • Winding speed : Upto 1200 mpm
  • Beam Diameter : 800 to 1600 mm
  • Width of machine : 1400 to 2600 mm
  •  Drive : Spindle (for beam)
  • Package : Warper’s beam
  • Creel type : V-Creel (used for high speed warping)
Principle and working of Direct Warping 

  • Warp yarn cones are placed directly over the creel on the back side of the machine.
  • Creel used here is V-type which is good for high speed warping.
  • Warp yarn passes through the warp stop motion over the creel to the expandable comb.
  • The comb is adjusted as per the yarn density required over the beam and the beam width.
  • The yarn then passes over the measuring roller which measures the length of the yarn by its rotation.
  • Measuring roller is in contact with a trough which is used in case waxing is to be done over the yarn.
  • The yarn goes between the pressure roller and the beam and is wound over the beam.
  • The pressure drum is hollow inside and light weight with highly smooth surface to prevent yarn damage.  

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