By means of the OASYSŽ (Optical Assessment System through Yarn Simulation) there is possible to simulate an appearance of yarn and fabrics: woven and knitted. In the same way the quality of yarns can be assessed from the point of view of their usefulness for different textile applications. In the paper the exemplary visualisations of yarn and fabric were presented based on the real and ideal yarns.
OASYS® (Optical Assessment System through Yarn Simulation) is very interesting measuring device. It enables the measurement of the following yarn parameters: diameter and its irregularity, the number of imperfections - thick places, thin places and neps - per 1000 m. Additional feature of the OASYS® is a possibility to simulate an appearance of woven and knitted fabrics made of the measured yarn. Investigation of big number of yarn variants showed a statistically significant correlation between the results from the OASYS® and Uster® tester in the range of the yarn irregularity. Significant correlation was also stated between the results from OASYS® and Uster® tester in the range of the number of thick places and neps per 1000 m. The values of the yarn diameter measured by the OASYS® are lower than values calculated according to Ashenhurst's equation.
OASYS® (Optical Assessment System through Yarn Simulation) is very interesting measuring device. It enables the measurement of the following yarn parameters: diameter and its irregularity, the number of imperfections - thick places, thin places and neps - per 1000 m. Additional feature of the OASYS® is a possibility to simulate an appearance of woven and knitted fabrics made of the measured yarn. Investigation of big number of yarn variants showed a statistically significant correlation between the results from the OASYS® and Uster® tester in the range of the yarn irregularity. Significant correlation was also stated between the results from OASYS® and Uster® tester in the range of the number of thick places and neps per 1000 m. The values of the yarn diameter measured by the OASYS® are lower than values calculated according to Ashenhurst's equation.
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