Tangling Resistance and Package Unwind Behaviour
topic
Interlaced yarn package unwind behaviour is characterised by tension variation during over-end unwinding that results from interlace node resistance to filament separation as the yarn is paid off the package, with node strength needing to be sufficient to maintain yarn coherence during package transport and creel loading but low enough to allow smooth separation at the yarn take-off speed of the downstream knitting or weaving machine without tension spikes.
Role
Governs the downstream processing compatibility of interlaced yarn through the balance of node strength that must be calibrated for each application between adequate cohesion for handling and excessive resistance to unwind that would cause tension irregularity in downstream manufacturing, with interlace level and strength optimisation for specific end uses being the key process design challenge in producing interlaced yarns that perform reliably across the range of downstream processing speeds and tension levels.
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