To make fabrics, all these fibres are first converted into yarns. The former, with a number of filaments of around 275, can be converted into a … There are two types of wool yarn that make different fabrics: woolen and worsted. Natural fibers—cotton, flax, silk, and wool—represent the major fibers available to ancient civilizations. Figure 5 shows the bonding of nonoven fabric. A brief treatment of yarn follows. 39. These fibres are converted into yarns to make … • Making yarn from fibre is called spinning. This brings the fibres together to form a yam. Copyright © 2021 Elsevier B.V. or its licensors or contributors. Cotton has also been cultivated and used to make fabrics for at least 7,000 years. The fibres are then further separated in a blending machine; this separates different grades of cotton to be blended, processes and spun into yarn. How is it done? Fibres are thin and small and cannot be made into a fabric directly. To make fabrics, all these fibres are first converted into yarns. Weft is … Cotton fibres are converted into several intermediary products before a cotton-containing end-product is produced. The earliest known samples of yarn and fabric of any kind were found near Robenhausen, Switzerland, where bundles of flax fibers and yarns and fragments of plain-weave linen fabric, were estimated to be about 7,000 years old. This is done by spinning the fibers. Yarns … 5. Fill in the names of useful items made from jute fibres in Fig. Yarns are made up of a number of fibres twisted together. The fibres best suited for textile weaving typically measure between 1 to 1 3/4 inches long; the first destination for these fibres is the carding machine. Spinning can be done both by hands and by machines. ScienceDirect ® is a registered trademark of Elsevier B.V. ScienceDirect ® is a registered trademark of Elsevier B.V. There are two forms of yarn: one with a low amount of fibers and one with a high amount of fibers. The stems rot (the process is called retting) and fibres are separated by hand. ↓ The yarns are then used to make fabrics by weaving and knitting. The process of arranging two sets of yarns together to make a fabric is called weaving. Making of Fabric, Fibre to Fabric, Class 6. fibres. are drawn out and twisted. Processing of a Fibre into Fabric. (a) Use of charkha was popularised by Mahatma Gandhi as a part of the Independence movement (b) In India, jute is mainly grown in Kerala and Punjab (c) To make fabric, the fibres are first converted into yarns (d) Sufi Saint Kabir was a weaver Solution: (b) In India, jute is mainly grown in West Bengal, Bihar and Assam. Appropriate yarn structures and manufacturing technologies are selected for required applications and properties. In this process, fibres from a mass of cotton wool are drawn out and twisted. To be made into fabric, wool undergoes several processes. https://doi.org/10.1016/B978-1-84569-931-4.00008-8. The process of twisting the fibres together into yarn is called spinning and it was one of the first processed to be industrialised. The stems of harvested plants are bundled and immersed in water for 10 to 15 days. Fiber is the smallest unit of a fabric. By continuing you agree to the use of cookies. 38. Fibres are thin and small and cannot be made into a fabric directly. Bobbin is the wooden or plastic reels on which yarn is wound. A fibre is a fine hair like strand and is the basic unit of textiles from which we make yarns and then the fabric. ( most properties in synthetic fibres can be controlled to process them into different types of yarns. You can try making cotton yarn yourself. Fill in the names of useful items made from jute fibres in Fig. Your email address will not be published. 81 Science VI Class converted into yarn. They are made from both natural and synthetic fibres. 2. 3.4 SPINNING COTTON YARN You can try making cotton yar n yourself. • Opening: This is the basic operation in the spinning of yarn from raw fibres. • Cotton fibres are made from cotton ball. Fabric are made from yarn by two main processes : 1 Weaving 2 Knitting. Copyright © 2015 Elsevier Ltd. All rights reserved. There are three basic steps required for fabric production. (c) To make fabric, the fibres are first converted into yarns. These materials vary in their sizes and texture and form a suitable for knitting, weaving or otherwise intertwining to form textile fabrics. This process is known as the spinning of cotton yarns. 3. 37. ACTIVITY 10.1 Activity 4 Hold some cotton wool in one hand. So they are first converted into yarns which are longer, thicker and stronger. In weaving 2 sets of yarns are interlaced to from the fabric. Hold some cotton wool in one hand. One such example is given. 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In the case of synthetic continuous-filament yarns, manufacturing methods including melt spinning, wet spinning, dry spinning and gel spinning techniques are explained and different forms of continuous-filament yarns are dealt with, such as flat yarns, textured yarns, bi-component yarns and split tape or film yarns. Spun yarns can contain a single type of fibre, or you can spin various types of fibre together to give you a blend. (i) Leaves of trees (ii) Newspaper (iii) Metal foils (iv) Animal skins and furs (a) (i) … All these fibres are first converted into yarns to make fabrics. Yarns are made from both natural and synthetic fibre, in filament or staple form.Filament is fibre of great length, including the natural fibre silk and the synthetic fibres. Other cotton fibres and myself were made into yarn by the process of _____. After many different colours of finest Australian Merino wool fibres have been blended and carded, ring spinning frames twist them into woolen yarns and into the desired fineness. Pinch some cotton between the thumb and forefinger of the other hand. We use these yarns to make fabrics. Similarly , there are many other fibres available to us, which can be used to make cloth and we will learn about these in the next section. How is it done? Answer: The devices on which weaving of fabrics takes place are called looms. Solution: (b): In India, jute is mainly grown in West Bengal, Bihar, Assam and Andhra Pradesh. • Jute fibre is obtained from the stem of a jute plant. Spinning is done in the same way as the wicks are made from cotton wool at homes. (c) To make fabric, the fibres are first converted into yarns. In fact, some nonwoven products are subjected to both textile and p aper industry . If weaving is used to make the fabric, the warp yarns are assembled onto a beam. To make fabrics, all these fibres are first converted into yarns. The yarn for the production of woolen loden fabrics is characterized by its bulky and soft appearance. 3.1. The yarn was _____to give beautiful colours and then_____to get cotton fabric. Improve your learning 1. Fibres are first converted into yarn by the process of spinning. Important Questions on Fibre to Fabrics. The fleece is sheared from the sheep, scoured, carded, combed and spun into yarn. Fabric is … 1. Flax and jute have fibres on its fruits. Filaments may be loosely twisted together to form yarns of a specified thickness. The yarn was _____to give beautiful colours and then_____to get cotton fabric. (ii) Fabric is made from yarn by the process of weaving or knitting. Activity 4. Here, the raw materials that have been harvested and processed are transformed from raw fibers into yarn and threads. There are varieties of textile fibres derived from various natural and man-made sources. 35. A bundle of endless stainless steel fibers can be converted to yarns by textile spinning processes. Question 3. Hi, I am going to write the primary properties essential for a fibre to be spun in to a yarn. Other cotton fibres and myself were made into yarn by the process of _____. Spinning is the process of converting fibres into yarn by twisting the fibre using various machines. Question 2: Which statement out of the following is incorrect? This process is also called warping. The 2 main processes are weaving and knitting. To make fabric, we have to first convert the cotton fibres into yarns by which of the following process? Particular emphasis is given to various types of fancy yarns, which are described with suitable diagrams and detailed explanations of their manufacturing methods. 36. This brings the tiny fibres together to form a long and twisted thread called ‘yarn’. Fragments of cotton fabrics have been found by a… • Handlooms or power looms are used in weaving fabrics. Yarns are made up of a number of fibres twisted together. The process of making fabric or cloth by arranging yarns at right angles to them, is called weaving.The process of making a fabric by interlocking loops of single yarn with knitting needles or machines, is called knitting. The yarn is then woven on a loom to create wool fabric. 3.1. technologies, to form and bond polymers, fibres, filaments, yarns or combination sheets into a flexible, porous structure. The cotton fibres are then converted into rope-like loose strands. Match the terms given in Column I with the statements given in Column II. Yarns are usually converted into fabrics, either by weaving or knitting. In case of staple-fibre yarns, manufacturing technologies including ring, rotor, air-jet spinning and Vortex spinning are explained together with the type of yarn structures obtained from the respective technologies and their end-uses. • The process of removing seeds from cotton wool is called ginning. 2. (d) Sufi saint Kabir was a weaver. (i) Leaves of trees (ii) Newspaper (iii) Metal foils Passage - 2 The process of making yam from fibres is called spinning. (d) Sufi saint Kabir was a weaver. We use these yarns to make fabrics. Textile - Textile - Conversion to yarn: Because filaments, such as silk and the synthetic fibres, have extreme length, they can be made into yarn without the spinning operation necessary for the shorter staple fibres. Which of the following materials did people use in ancient times for making clothes? Pinch some cotton between the thumb an d forefinger of the other hand. These fibres are spun into continuous strands called as yarns, by imparting twist. • A yarns is a continuous strand made up of a number of fibres which are twisted together 19. The stems rot (the process is called retting) and fibres are separated by hand. For full treatment, see textile: Production of yarn. The strands are twisted to make yarns. FIBRES Fibres … 3.1. 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