Solutions for POY manufacturing - Oerlikon Barmag - Oerlikon Textile

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Polyester POY The optimized processes for manufacturing polyester POY on Oerlikon Barmag systems guarantee the best possible combination of number of ends and package weight. DTY and other downstream processes can be run at extremely high take-up speeds as a result of the excellent yarn evenness achieved. The best CV% values as well as AA-quality yarns are standard. The production process with 20 ends can be carried out using the hydraulic-split procedure. However, the requirements of a high yarn-to-yarn titer evenness require the double-in-one (DIO) technology. With this technology, two separate polymer melt flows are led through a package completely separately using their own spinning pump. This enables titer evenness identical to single packages while requiring 30% less space. The optimized production process is designed for low conversion costs as a result of low investment costs and – in comparison to standard spinning systems – low space requirements within the spinning unit. The yarn is wound onto individual WINGS machines, hence allowing the system to produce a high number of ends at high speed, while still permitting a package volume of 16.8 dm³. This also ensures full bobbin rates as the yarn path to each winder is completely separated. The process was optimized to the lowest angle of deflection, which enables low POY CV% values. For this reason, the material can handle the highest speeds in texturing and in further downstream processes. Process 10 ends 20 ends Titer final 30 - 400 den 30 - 200 den Single filament titer 0.3 - 6.3 dpf 0.5 - 5.0 dpf Filament count 12 - 384 18 - 144 Ends per position 10 2 x 10 Mechanical speed 2500 - 4000 m/min 2500 - 4000 m/min Chuck length 1500 mm 2 x 1500 mm Volume 16.8 dm³ 16.8 dm³ Extruder or direct spinning Spinning beam series SP8x (z) SP8x (z) Winder type series WINGS 2 x WINGS Quench type series EvoQuench (z), cross-flow EvoQuench (z), cross-flow 12 POY solutions – Oerlikon Barmag Microfibers There are different processes available for manufacturing polyester microfibers: cross-flow half-pipe quenching permits titers of between 75 and 150 den, whereby the titer of the individual filament lies between 0.5 and 1.5 dpf. Alternatively, the process using EvoQuench quenching allows for finer titers of between 30 and 400 den. This process enables titers for the individual filament to be between 0.34 and 3 dpf. Up to 288 ends can be manufactured using this technology. EvoQuench quenching reduces the quench air consumption by around 60% compared to cross-flow quenching, hence achieving considerable savings in the conversion costs.
POY solutions – Oerlikon Barmag © VAUDE 13
Page 1 and 2: Solutions for POY manufacturing
Page 3 and 4: Table of contents Plant engineering
Page 5 and 6: A selection of reference projects E
Page 7 and 8: POY solutions - Oerlikon Barmag 7
Page 9 and 10: There are numerous possibilities fo
Page 11: POY solutions - Oerlikon Barmag 11
Page 17 and 18: The 100,000th winder delivered by O
Page 19 and 20: Pumps in a spinning plant Polymer p
Page 21 and 22: Feed extruder with metering pumps T
Page 23 and 24: Spin packs Advanced spin pack Throu
Page 25 and 26: Cross flow quenching system - one u
Page 29 and 30: Downstream process Texturing - high

Solutions for POY manufacturing - Oerlikon Barmag - Oerlikon Textile

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