Spun cotton yarn. The main means of modern machinery processing raw cotton into yarn by the process. Works can be divided into carded, combed cotton waste cotton textile engineering works ﹑.
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English Translation
cotton spinning
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Spinning process
棉纺工艺
The cotton fiber processed into yarn, cotton spinning process. This process also applies to the chemical fiber yarn spun cotton, long fiber yarns and blended with other fibers such as cotton. Production of cotton fabric wearability good, inexpensive, and spinning process is relatively simple, so primacy in the textile industry. Initially spinning by hand, then gradually apply simple tools, such as spinning specifically, the spinning wheel. 1758 appears a roller flyer spinning, spinning Jenny appeared in 1770, in 1774 to create a three roller carding machine, in 1779 invented the mule around the late 18th century, and only the machine and roving machine. Mechanization of cotton spinning project is to start spinning the beginning, so sometimes also called spinning machine spinning. While spinning the previous step, referred to as spinning, including the opening and picking, carding, drawing, carding, roving, etc., depending on raw cotton fiber length, impurity and yarn composed of different quality requirements before spinning process; ago Before spinning process, the raw material must first be optional. After spinning processing, there are winding, doubling, twisting line, shake twist and so on.
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Cotton History
Ming and Qing Dynasties, Fujian wooden hand-spun yarn fall, loom weaving. In 26 years, the transformation of the old loom Xiapu Chen Kegui, create wooden hand cars spinning machine, wooden foot looms and warping machines and other equipment, the first home run from Fujian weaving factory, producing plain white cloth. In 36 years, I and Huang et al Fuding partnership is _set_ to open more than 20 Taiwan, "Su Subu factory", producing mosquito nets, patriotic plaid cloth. Zhou Ning "Taoyuan cloth factory" introduction of Zhejiang weaving and spinning machinery, production twill, plaid cloth. Zherong Wei Yunqiu also _set_ up factories producing machine since changed cloth. 1950s, the introduction of Wenzhou textile mills Xiapu technology, transforming equipment, made of iron and wood structure turbines, variable foot to foot hand-woven mention Fully automatic shift shuttle wire, woven fabric, sheeting and other products. Early 1960s, Xiapu spinning into twister, Additions 1511 looms, multi-spindle automatic loom boxes and other new machinery and equipment, the first output Fujian dyed linen cloth. Mid-1960s, Furuta textile manufacture 24 _set_s of new looms, weaving and spinning with power operation; Xiapu mills cited semiautomatic machines to replace manual doffing tube intubation doffing machine. Early 1970s, Furuta mill has devised "Dickens' looms, C191 automatic weft machine, 1515 ~ 63 type automatic shuttle changing machine and a series of textile machinery and equipment. Late 1970s, ramie textile and textile in Furuta Plant research trial success, to fill gaps in the province. late 1970s, research pilot plant successfully shouning blankets jacquard blankets, annual output of 500,000 lines. early 1980s, Fujian woolen mill. foreign joint venture company has a modern global wool Textile machinery and equipment, and picking process of opening, blending, carding carding process and roll, drawing roving process, as well as roving, spinning process control regulation requires the production index reached 1988 shouning line blanket factory production of jacquard blankets already has 22 kinds of specifications, 10 colors, 19 flowers levels in 1986, Tian ramie textile successful 4896 expansion of long hemp wool textile production lines in the original basis of 1016, with 5912 production capacity. 1988 trial 36, 48, 54 twine into production, becoming Fujian major textile enterprises.
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Cotton development
China as a big country in the world textile industry, cotton textile industry in the world has a very important position. In recent years, China's textile industry to take very good results. The number of Chinese cotton textile enterprises above designated size from 2003 to 4449, 7632 to 2005, an increase of 71.54%; industrial output value increased from 287.4 billion yuan to 513.6 billion yuan, an increase of 78.70%; Total as_set_s increased from 303 billion yuan to 417.1 billion yuan, an increase of 37.68%; sales revenue increased from 280.9 billion yuan to 500.6 billion yuan, an increase of 78.22%; gross profit increased from 7.164 billion yuan to 15.996 billion yuan, an increase of 123.29%; export value increased from 54.6 billion yuan to 74.9 billion yuan, an increase of 37.28%; number of employees increased from 228.07 million to 258.95 million, an increase of 13.54%. 1-12 January 2006 Chinese cotton industry enterprises above designated size number is 8742, the industry realized 656.3 billion yuan of industrial output value, an increase of 24.09%; as_set_s Total 503.8 billion yuan, an increase of 17.11%; sales revenue 638.4 billion yuan, an increase of 24.53%; total profit of 21.814 billion yuan to complete, an increase of 5.449 billion yuan over the previous year, an increase of 33.30%; export value of 88.22 billion yuan, an increase of 14.46%; overall number of people employed in the industry 272.24 million, representing an increase of 3.53 percent. Thus, the total amount of the cotton industry growth momentum and make a significant contribution to China's economic, fiscal, exports and employment. 2007 included in the statistics above-scale textile enterprises 9593, an increase of 2448 over 2006, an increase of one year is equivalent to 2000 the total number of enterprises in the industry of the enterprise. Total operating income of 291.7 billion yuan, up 26.05 percent; realized a total profit of 10.4 billion yuan, an increase of 50.52%; industry overall better efficiency. 2008 January-October of cotton, chemical fiber textile and dyeing and finishing industry, a total of 2,493 construction projects, including new construction 1542, have declined over the same period last year, down 7.50%, respectively, 10.40%. As of October, China's fixed as_set_ investment has been completed and 691, a slight increase over last year; but the actual investment amounted to $ 66.844 billion, representing a decrease of $ 285 million. As of October 2008, China's total textile and apparel industry construction project number 2988, representing a decrease of 29, the number of new construction projects have been reduced to 1,762, down 179. While construction projects and new construction projects are decreased compared to last year, but the project has been completed, but an increase over last year, an increase of 3.21%; actually completed investment also increased to $ 66.58 billion, representing an increase of 12.582 billion U.S. dollars, an increase of 23.30%. In the development of the cotton textile industry also showed a worrying side, especially with foreign advanced enterprises contrast, the gap significantly. The gap between technology and equipment, information technology and rapid response technology gap, the gap between innovation capability highlights, plus the presence of extensive expansion, market competition and other issues casually, greatly hindered the development of the industry. Therefore, to enhance industrial upgrading, improving textile science and technology, industrial restructuring, innovation capacity building is a priority. "Eleventh Five-Year" period, the state plans to develop the cotton textile industry, textile industry will be given a lot of money and resources into the "Eleventh Five", the 1990s and the international textile equipment is more important than the level of 65%, labor productivity increased to 55,000 yuan / person-years, the proportion reached 30% combed, no roll rate reached 50%, the proportion reached 70% shuttleless cloth, knotless yarn proportion reached 70% power consumption compared yuan output value 2005 reduced by 10-15%. Cotton textile industry has a broad space for development.
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Encyclopedia
mianfang Cotton cotton spinning The cotton fiber processed into yarn, cotton spinning process. This process also applies to the chemical fiber yarn spun cotton, long fiber yarns and blended with other fibers such as cotton. Production of cotton fabric wearability good, inexpensive, and spinning process is relatively simple, so primacy in the textile industry. Initially spinning by hand, then gradually apply simple tools, such as spinning specifically, the spinning wheel. 1758 appears a roller flyer spinning, spinning Jenny appeared in 1770, in 1774 to create a three roller carding machine, in 1779 invented the mule around the late 18th century, and only the machine and roving machine. Mechanization of cotton spinning project is to start spinning the beginning, so sometimes also called spinning machine spinning. While spinning the previous step, referred to as spinning, including the opening and picking, carding, drawing, carding, roving, etc., depending on raw cotton fiber length, impurity and yarn composed of different quality requirements before spinning process; ago Before spinning process, the raw material must first be optional. After spinning processing, there are winding, doubling, twisting line, shake twist and so on. Process according to cotton spinning system is divided into three categories. Raw cotton to cotton by matching the length, fineness, strength and other fiber properties and origin, batch number, etc., depending on the requirements of matching spinning aim rational use of raw materials, quality and reduce costs. Spinning process sheets Blowroom rata matching the raw material from the bale to crawl out, mixing evenly, cotton opener into small blocks and small cotton bundles, remove some impurities and defects, and then assembled in a certain width, thickness or weight of the cotton layer , wound lap. Blowroom is Blowroom machine to complete a series of machinery, including cotton, grab a block from the bale bale initially be open pine and mixed variety opener, blender, and further opening and cleaning raw cotton picker (see opening and cleaning machinery). Scutcher roll device can be installed to produce lap Supply card; or not to install a roll device directly to the bulk fiber block, tow piped gas flow and number of units assigned to the carding machine, which is called for the carding machine. Carding Carding block of fibers or bundles of the needle into single fiber carding tooth surface state, while removing the smaller or impurities adhered to the fibers defects, short fiber portion is also removed, and finally made into sliver. Carding sliver output, commonly known as raw bar, a regular bar stacked in the barrel. Sliver containing not more than 0.1% of the extremely small amount of impurities, the majority of fibers are hook-shaped. In cotton waste, using roller carding machine, the output of cotton net, according to yarn requirements, divided by narrow slitting mechanism by rubbing the skin plate rub twist, then spun into yarn on a direct spinning. This yarn has a soft, furry and more features, but less powerful, suitable for system blanket and other products. Around 20 students combed the amended draft, being made a small lap, a process called combing preparation processes. Feeding the little lap Comber, respectively, using different needle row to sort out both ends of the fiber, inclined to short fibers and impurities, made of combed sliver. After combing sliver, fiber uniformity and cleanliness is good, good quality can be spun, combed cotton yarn number of smaller numbers. And Article To spun yarn uniform and high strength, the 6 to 8 parallel sliver feed roller type and the machine, by drawing the sliver and pull together into a thin sliver laps into the cans. Merging sliver evenness and structure so improved, made more uniform sliver. The use of friction between the fibers straight and parallel to the fibers in the drafting process, especially straight and parallel to the hook-shaped fiber carding sliver of make. And of the processes are generally 2 to 4. Article prepared and cooked sliver of commonly known, its thickness and students of similar, but there are structural differences. Because of the time and a few slivers tied to feeding, so there are mixed effect. Fibers of different proportions according to the provisions in the mix and the machine, called sliver blending, mixing short article. Roving pull the thin sliver drafting, to be appropriate twist back, so shall bar a little twist tightly wound on bobbins made of roving for spinning spinning. The final step of the spun yarn yarn. Feeding of the roving to the desired attenuation of the fineness required, then add twisting, winding the yarn. Physical-mechanical properties of the yarn strength, gloss, etc. After processing, the product should meet the requirements. (See pictures automatically grab the cotton charter initial opening, scutcher opener will further purify made of cotton lap, lap carding carding and impurity in the cluster into a bar, raw bar on the machine and pull stretch of merging mature, made of combed cotton comber of the small volumes
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English Expression
n.: cotton spinning
French Expression
n. filature de coton
Thesaurus
cotton spinning Residential areas, cotton spinning Community
Gossypium nanking slub enterprise