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Multi-Barrier Electromagnetic Tensioner For Control Of Yarn Tension In Processing
electromagnetic tensioner barrier plate yarn tension control
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2009/2/12
We evaluate the known solutions regarding the tensioning of yarn in the operations of winding, warping, doubling, etc. The conventional tensioners that have so far been used in the textile industry ar...
Relationships between Yarn Diameter/Diameter Variation and Strength
yarn diameter yarn strength yarn twist optical unevenness
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2009/2/12
In this study, relationships between yarn diameter/diameter variation and yarn strength were investigated. For this, we used 100% cotton combed ring yarns of nine types from the same blend which have ...
Influence of Selected Parameters of the Spinning Process on the State of Mixing of Fibres of a Cotton/Polyester-Fibre Blend Yarn
yarn blends cotton polyester per cent content spinning
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2009/2/12
In this report, we present investigations concerned with the influence of selected parameters of the spinning process such as the spinning system, machine settings, and percentage content of cotton an...
Application of the Image Analysis Technique for Estimating the Dimensions of Spliced Connections of Yarn-Ends
digital image acquirement image correction median filtration Laplace filter
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2009/2/11
In order to determine the geometrical dimensions of the spliced connections of yarn-ends, an algorithm was elaborated using the image analysis technique to determine their dimensions.
By applying a L...
Examination of the Influence of Selected Fibre Properties on Yarn Neppiness
cotton fibre neps yarn neps AFIS HVI regression analysis
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2009/2/11
Yarn neppiness, one of the most important aspects of cotton yarn quality, has significant influences on the downstream processes; therefore it should be well controlled. In this study, in order to exa...
Determining Fibre Properties and Linear Density Effect on Cotton Yarn Hairiness in Ring Spinning
cotton yarn hairiness regression analysis Zweigle yarn hairiness tester HVI test machine.
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2009/2/11
The hairiness of a yarn can be defined as the total number or total length of the fibres which leave from the unit yarn’s surface. Yarn hairiness is formed by surface fibre edges which leave the yarn ...
Quality Analysis of Cotton/Polyester Yarn Blends Spun with the Use of a Rotor Spinning Frame
cotton yarn blended yarns cotton/polyester blends quality yarn parameters
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2009/2/11
An analysis was carried out of parameters characterising fibres, half-finished products, cotton
yarns and cotton/polyester yarn blends spun with the use of a R1 rotor spinning frame from Rieter. The ...
Optimising Knitting Process Conditions on the Basis of Controlled Robbing-Back of Yarn
weft knitting machine knitting process knitting zone robbing-back
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2009/2/11
We carried out identification of knitting process conditions during the controlled robbing-back of yarn in the knitting zone of weft-circular knitting machines on the basis of a computer model of the ...
A New Method of Measuring Twist of Yarn
twist new method twist-tester CZ/V-1 test yarns test methods
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2009/2/11
The paper presents a new method for determining yarn twist that eliminates the drawbacks of the presently used ‘reverse-twisting method’. The new method may be described as a ‘two-end untwisting/twist...
Preparation of Enzymatically Modified Flax Fibre for Producing Rotor-Spun Yarn for Apparel
flax hackling noil bio- cottonizing bio-modified flax fibers enzymatic preparation
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2009/2/11
At the Institute of Natural Fibres, Poznań, we developed a new method for cottonising short bast fibres with the use of enzymes in the cottonising process. The final product of this cottonising proces...
Dependence Between Climatic Conditions and Electrical Properties of Polyester Fibres and Yarn Breakage
polyester fibres temperature humidity electrostatic field properties
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2009/2/9
The ability of electrostatic charging, which means generation of electrostatic stationary charges on the fibre surface, is a characteristic feature of almost al kind of fibres. This paper presents an ...
Thermal Contact Properties of 2-Yarn Fleece Knitted Fabrics
fleece knitted fabric raising thermal absorptiveness moisture absorptiveness
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2009/2/8
When a person touches a garment, heat flow occurs between the human body and the fabric,
with the resulting warm-cool feeling as the first sensation. This transient and dynamic thermal-contact feelin...
A Comparative Study of the Characteristics of Compact Yarn-Based Knitted Fabrics
compact yarn ring yarn knitted fabric pilling fabric properties
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2009/2/8
The compact spinning system was based on the conventional ring-spinning system. The vast majority of previous work deals with the properties of compact yarn in yarn form. In this study, we inspected f...
Identification and Classification of Spliced Wool Combed Yarn Joints by Artificial Neural Networks. Part II: Interpretation of Identification and Classification Results of the Unknotted Spliced Yarn Joints
spliced yarn joint wool combed yarn yarn identification joint classification
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2009/2/8
In the first part of the article an Artificial Neural Network (ANN) model designed to recognise and classify pneumatically spliced yarn joints was presented. The effectiveness of recognition and class...
Wrapper Fibres in Open-End Rotor-Spun Yarns: Yarn Properties and Wrapper Fibres
wrapper fibres open-end rotor spun yarn twisting yarn properties
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2009/2/8
Wrapper fibres (WFs) and their formation mechanisms, as well as their effects on the properties
of open-end rotor spun yarns, have been investigated. For this purpose, different yarn samples (100% PE...