New PDF release: Advances in Yarn Spinning Technology (Woodhead Publishing

By Carl Lawrence

ISBN-10: 1845694449

ISBN-13: 9781845694449

This e-book offers a useful unmarried resource of data at the advances in yarn spinning applied sciences. complicated spinning structures are defined and comparisons are made up of the homes of the yarns produced, and resultant complete items, with these from traditional structures. half 1 presents an creation to yarn fiber spinning and constitution. Chapters speak about the foundations of ring spinning and open-end spinning of yarns. Yarn constitution and homes from various spinning ideas and yarn structural necessities for knitted and woven materials also are tested. half 2 covers advances particularly yarn spinning applied sciences. subject matters variety from siro spinning to compact spinning know-how and air-jet spinning. ultimate chapters discover easy methods to reduce fiber harm which could ensue in the course of spinning and using spin finishes for textiles. With its exotic editor and array of foreign members, Advances in Yarn Spinning know-how is a crucial 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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Extra resources for Advances in Yarn Spinning Technology (Woodhead Publishing Series in Textiles)

Sample text

The development which overcame these disadvantages, and also led to the concept of a continuous spinning process, was called the long-fibre wheel [15] or the Saxon wheel [18]. Although Leonardo da Vinci is said to have first depicted the concept on paper, it is Johan Jurgen, a wood-carver from Brunswick, who is claimed to have invented the system in 1530, after da Vinci’s death in 1519. With this system a foot treadle was used to rotate the large wheel so that both hands could be used for drafting while twisting, and twisting and winding occurred as combined actions.

Directly driving the bobbin presents the following problem. It is the surface speed that is of importance, initially of the bobbin, but then of the package being formed as the yarn layers build up onto the bobbin. The spinner has to hand draft at a rate which equals this speed. Each yarn layer wound onto the bobbin increases the surface speed of the package being formed. The package diameter has therefore to be limited, since there is a maximum speed at which the spinner could hand draft. Limiting the package diameter in turn limits the yarn length on a package for weaving; assuming the practical issues were resolved, increasing the package length would only give a small improvement in package size.

13 where dy is the yarn diameter. I. 14 where dy is the specific volume in units of g m–1. 16 TM is referred to as the twist multiple or twist factor (TF). The reader is again referred to the publication Textile Terms and Definitions for further information in respect to the imperial and metric count systems. 4 Crompton’s spinning mule Following the development of the water frame, Samuel Crompton in 1779 invented the spinning mule, so called because it was a combination of the spinning jenny and the water frame.

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Advances in Yarn Spinning Technology (Woodhead Publishing Series in Textiles) by Carl Lawrence

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