Fibrevision Fibre TQS - POY and FDY

The Standard for POY and FDY Monitoring

Fibrevision FibreTQS for POY and FDY monitoring enables faults to be eliminated that would result in downgrades in downstream processes. This provides both substantial quality benefits and process cost reductions.

FibreTQS Monitoring identifies all POY and FDY quality faults in real-time allowing the faulty packs to be segregated, but even more important, allowing the source of the faults to be identified and eliminated.

FibreTQS Monitoring offers substantial advantages over conventional off-line testing since the vast majority of quality faults that occur in downstream processes for POY and FDY are caused by short term or intermittent faults already present in the yarns themselves, but cannot be identified or prevented with off-line testing.

Sources of quality problems

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The major sources of quality problems in these processes are:

Spin Finish
Short Term Variation seen as transient faults or high CV levels results in:

  • Tension Transient faults in the DTY process
  • Dye Shade variation in FDY

Mechanical Quality
Slubs and Broken Filaments result in:

  • Tension Transients or End Breaks in the DTY Process
  • Warping Stops and Fabric Quality problems in FDY

Low or Variable Interlace (Entanglement) results in:

  • High Break rate in DTY
  • High Warping stops in FDY

Sensors

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For POY and FDY processes FibreTQS Optical and Spin Finish Sensors are normally fitted and provide measurement of all key parameters.

  • Spin Finish sensors are fitted prior to the First Godet (after the oil dispersion jets), and measure Spin Finish Mean Level, Short Term Variation and Transient Faults. The sensors are connected directly to interface electronics that are located in an IP64 enclosure located behind the sensors.
  • Optical Sensors are normally located in the winding area, and are mounted on an arm that incorporates the section electronics. These sensors measure; Interlace Level (Mean and Variation), Denier Variation and Slubs / Broken Filaments.

Downloads

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Document Language Size Downloads
Fact Sheet EN 832 KB