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IMPROVEMENT OF THE FALSE TWIST DEVICE

Field of Science:EngineeringIndustrial and Manufacturing EngineeringMaterials Science
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“TEXTILE JOURNAL OF UZBEKISTAN” Scientific-technical journal

“TEXTILE JOURNAL OF UZBEKISTAN” Scientific-technical journal

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ARTICLE ANNOTATION

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This article analyzes the problems of reducing yarn equilibrium and residual twist moment in the spinning process. As a result of the formation of residual twist moment in the yarn, negative phenomena such as spiraling and deformation can occur in knitted fabrics. To eliminate this problem, methods such as yarn twisting, wet-heat treatment, or separation of fibers into special groups are used. However, these methods are associated with additional energy consumption, time, and complexity of technological processes. Therefore, the use of a false twist device for yarn in ring spinning machines is one of the effective solutions. In the study, a new design of a false twist device for a ring-spinning machine was developed and its operating principle was studied. The device is installed between the draw pair of the stretching device and the yarn feeder, increasing the migration of fibers in the forming yarn. As a result, the structural structure of the yarn is improved, the fibers are located closer to the center of the yarn, and the yarn strength and equilibrium properties are improved. The experiments were conducted on a “Zinser 350” ring-spinning machine. The results showed that the overall unevenness, coefficient of variation and hairiness of the yarns spun using the proposed device are reduced, while the elongation at break and specific breaking strength are increased. This indicates that the device has a positive effect on the yarn structure and quality indicators.

AUTHORS

M.Kolondorov

TOSHKENT TO'QIMACHILIK VA YENGIL SANOAT INSTITUTI

Tags

# yarn quality# ring spinning# yarn spinning# false twist# yarn structure# fiber migration# yarn strength# balanced yarn# spinning process

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