By Carl Lawrence
This ebook presents a useful unmarried resource of knowledge at the advances in yarn spinning applied sciences. complex spinning structures are defined and comparisons are made from the homes of the yarns produced, and resultant comprehensive items, with these from traditional structures. half 1 offers an advent to yarn fiber spinning and constitution. Chapters talk about the foundations of ring spinning and open-end spinning of yarns. Yarn constitution and homes from diverse spinning recommendations and yarn structural specifications for knitted and woven materials also are tested. half 2 covers advances specifically yarn spinning applied sciences. themes variety from siro spinning to compact spinning expertise and air-jet spinning. ultimate chapters discover find out how to reduce fiber harm which may happen in the course of spinning and using spin finishes for textiles. With its distinct editor and array of foreign participants, Advances in Yarn Spinning expertise is a vital textual content for spinners, yarn brands and upholstery manufacturers, in addition to researchers, technicians, engineers and technologists during this area of the cloth undefined.
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Additional resources for Advances in Yarn Spinning Technology (Woodhead Publishing Series in Textiles)
The fundamental principles and the advancement of the ring spinning system are described in detail in Chapters 2 and 7. The next section of this chapter will consider the significant differences between the new methods and ring spinning. It is therefore appropriate to give brief description of the key features of the ring spinning method. The ring spinning method utilises roller drafting for the attenuation of a roving feed. Over the many years of commercial development, improvements © Woodhead Publishing Limited, 2010 Overview of developments in yarn spinning technology 23 of the roller drafting system have given more control of fibres within each drafting zone in order to obtain as uniform a yarn as possible.
Carding and drawing are only two of several preparatory stages that were developed to advance the spinning of cotton and wool fibres. Of major importance is the removal of unwanted or foreign matter that would lower the efficiency of the spinning process or render the yarn of low quality. For cotton the reference is opening and cleaning lines, while for wool wetchemical processes are used under the term scouring. Owing to the fact that © Woodhead Publishing Limited, 2010 22 Advances in yarn spinning technology the focus of this book is on spinning developments, a detailed explanation of the various preparatory processes in yarn manufacturing is outside the scope of this and other chapters.
Method. The feed roller and feed plate push the sliver into contact with the opening roller, which runs faster than the feed roller, thereby giving a high draft. The saw-teeth or pins on the surface of the opening roller hook the fibres and separate them from the sliver end (the sliver fringe) being fed towards it. The separated fibres are then removed from the opening roller clothing by air suction, down the transport channel and into the groove as the © Woodhead Publishing Limited, 2010 Overview of developments in yarn spinning technology 29 rotor rotates at high speed; the suction is generated externally to the rotor.
Advances in Yarn Spinning Technology (Woodhead Publishing Series in Textiles) by Carl Lawrence