The stems of harvested plants are bundled and immersed in water for 10 to 15 days. 5. (d) Sufi saint Kabir was a weaver. The process of twisting the fibres together into yarn is called spinning and it was one of the first processed to be industrialised. Match the terms given in Column I with the statements given in Column II. Which of the following materials did people use in ancient times for making clothes? • Opening: This is the basic operation in the spinning of yarn from raw fibres. In this process, fibres from a mass of cotton wool are drawn out and twisted. 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The stems rot (the process is called retting) and fibres are separated by hand. https://doi.org/10.1016/B978-1-84569-931-4.00008-8. The first step in creating fabric is yarn production. Spun yarns can contain a single type of fibre, or you can spin various types of fibre together to give you a blend. 6. 37. Fabric are made from yarn by two main processes : 1 Weaving 2 Knitting. Processing of a Fibre into Fabric. This brings the fibres together to form a yam. The cotton fibres are then converted into rope-like loose strands. The fleece is sheared from the sheep, scoured, carded, combed and spun into yarn. One such example is given. Weft is … The stems rot (the process is called retting) and fibres are separated by hand. This process is also called warping. Flax and jute have fibres on its fruits. Appropriate yarn structures and manufacturing technologies are selected for required applications and properties. ScienceDirect ® is a registered trademark of Elsevier B.V. ScienceDirect ® is a registered trademark of Elsevier B.V. This is done by spinning the fibers. The chapter describes different types of yarns in terms of their structures, properties and applications. 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. 1. In spinning, fibre from a mass of cotton or wool are drawn out and twisted. These materials vary in their sizes and texture and form a suitable for knitting, weaving or otherwise intertwining to form textile fabrics. Other cotton fibres and myself were made into yarn by the process of _____. Figure 5 shows the bonding of nonoven fabric. (c) To make fabric, the fibres are first converted into yarns. A bundle of endless stainless steel fibers can be converted to yarns by textile spinning processes. To make fabrics, all these fibres are first converted into yarns. A brief treatment of yarn follows. 81 Science VI Class converted into yarn. Raw jute fibres are red in colour. The fibres are then further separated in a blending machine; this separates different grades of cotton to be blended, processes and spun into yarn. Here, the raw materials that have been harvested and processed are transformed from raw fibers into yarn and threads. Fill in the names of useful items made from jute fibres in Fig. 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. Yarns are made up of a number of fibres twisted together. Detailed definitions and manufacturing principles for different types of yarns are provided. (i) Leaves of trees (ii) Newspaper (iii) Metal foils 3.1. Fibres are first converted into yarn by the process of spinning. Fibres are thin and small and cannot be made into a fabric directly. We use these yarns to make fabrics. When grouped together in a loose, continuous rope without twist, synthetic filaments are called tow. Other cotton fibres and myself were made into yarn by the process of _____. ( most properties in synthetic fibres can be controlled to process them into different types of yarns. Copyright © 2015 Elsevier Ltd. All rights reserved. To make fabric, we have to first convert the cotton fibres into yarns by which of the following process? 4. Fill in the names of useful items made from jute fibres in Fig. Fibres are made from the yarns. Bobbin is the wooden or plastic reels on which yarn is wound. Question: What are looms? Natural fibers—cotton, flax, silk, and wool—represent the major fibers available to ancient civilizations. FIBRES Fibres … The 2 main processes are weaving and knitting. We use cookies to help provide and enhance our service and tailor content and ads. You can try making cotton yarn yourself. Spinning: The process of making yarn from fibre is called spinning. These fibres are converted into yarns to make fabrics (Fig). In fact, some nonwoven products are subjected to both textile and p aper industry . Yarns are made up of a number of fibres twisted together. Yarns are the continuous, strands produced from a short and staple fibres. Hi, I am going to write the primary properties essential for a fibre to be spun in to a yarn. ↓ The yarns are then used to make fabrics by weaving and knitting. Fibres are thin and small and cannot be made into a fabric directly. To make fabrics, all these fibres are first converted into yarns. technologies, to form and bond polymers, fibres, filaments, yarns or combination sheets into a flexible, porous structure. The strands are twisted to make yarns. These fibres are spun into continuous strands called as yarns, by imparting twist. This process is known as the spinning of cotton yarns. In the process of spinning, fibres from a mass of cotton (or wool, silk, etc.) (ii) Fabric is made from yarn by the process of weaving or knitting. Activity 4 Hold some cotton wool in one hand. One such example is given. In weaving 2 sets of yarns are interlaced to from the fabric. Yarns are woven together to make a fabric. 2. (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. • Cotton fibres are made from cotton ball. 35. Spinning is done in the same way as the wicks are made from cotton wool at homes. • Making yarn from fibre is called spinning. 1. Yarns … There are three basic steps required for fabric production. Passage - 2 The process of making yam from fibres is called spinning. (d) Sufi saint Kabir was a weaver. To make fabrics, all these fibres are first converted into yarns. Solution: (b): In India, jute is mainly grown in West Bengal, Bihar, Assam and Andhra Pradesh. There are two types of wool yarn that make different fabrics: woolen and worsted. This brings the tiny fibres together to form a long and twisted thread called ‘yarn’. These fibres are converted into yarns to make … ACTIVITY 10.1 • Jute fibre is obtained from the stem of a jute plant. Activity 4. For full treatment, see textile: Production of yarn. Pinch some cotton between the thumb and forefinger of the other hand. Particular emphasis is given to various types of fancy yarns, which are described with suitable diagrams and detailed explanations of their manufacturing methods. 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. Question 3. Making of Fabric, Fibre to Fabric, Class 6. Hold some cotton wool in one hand. All these fibres are first converted into yarns to make fabrics. Improve your learning 1. The yarn was _____to give beautiful colours and then_____to get cotton fabric. There are two forms of yarn: one with a low amount of fibers and one with a high amount of fibers. 2. Fiber is the smallest unit of a fabric. Weaving / Knitting / making of non wovens Then the yarn is made into fabric. That thread which was made of fibres is called yarn. 39. Yarns are usually converted into fabrics, either by weaving or knitting. Filaments may be loosely twisted together to form yarns of a specified thickness. The fabrics are made from fibres in the following two steps : (i) Fibres are first converted to yarn by the process of spinning. Answer: The devices on which weaving of fabrics takes place are called looms. Spinning is the process of converting fibres into yarn by twisting the fibre using various machines. Important Questions on Fibre to Fabrics. Cotton has also been cultivated and used to make fabrics for at least 7,000 years. Opening is the process of reducing compressed cotton fibres from a bale into smaller-fibre tufts. Match the terms given in Column I with the statements given in Column II. 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. 3.4 SPINNING COTTON YARN. Question 2: Which statement out of the following is incorrect? 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. 3.1. Log in, Concise Mathematics Class 10 ICSE Solutions 2018. Copyright © 2021 Elsevier B.V. or its licensors or contributors. Cotton fibres are converted into several intermediary products before a cotton-containing end-product is produced. 3.1. The former, with a number of filaments of around 275, can be converted into a … (i) Leaves of trees (ii) Newspaper (iii) Metal foils (iv) Animal skins and furs (a) (i) … The yarn was _____to give beautiful colours and then_____to get cotton fabric. 3.4 SPINNING COTTON YARN You can try making cotton yar n yourself. • A yarns is a continuous strand made up of a number of fibres which are twisted together 19. There are varieties of textile fibres derived from various natural and man-made sources. The fibres of cotton and wool have many folds and uneven surfaces. To be made into fabric, wool undergoes several processes. (c) Spinning (iii) Yarns are made from these thin strands (d) Ginning (iv) These are spun from fibres and then used to make fabrics (e) Fibre (v) Process of arranging two sets of yarns together to make a fabric (f) Yarn (vi) Process of making yarn from fibres 23. • The process of removing seeds from cotton wool is called ginning. If weaving is used to make the fabric, the warp yarns are assembled onto a beam. The yarn for the production of woolen loden fabrics is characterized by its bulky and soft appearance. • Handlooms or power looms are used in weaving fabrics. By continuing you agree to the use of cookies. Pinch some cotton between the thumb an d forefinger of the other hand. Which of the following materials did people use in ancient times for making clothes? (c) To make fabric, the fibres are first converted into yarns. 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. 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. The jute plant is normally harvested at flowering stage. Fill in the names of useful items made from jute fibres in Fig. 36. At spinning mills, cotton fibres are first converted into different types of yarns At fabric mills, yarns are woven or knitted into fabrics At manufacturing factories, fabrics are cut and sewn into … The yarn is then woven on a loom to create wool fabric. 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