Manufacture Process. Once the dye is ready, the bundles of clean threads are then immersed in the dye bath for several times over many days to achieve the proper color tone and quality. Young silkworms are fed fresh mulberry leaves several times a day. Then the sericin or silk gum holding the cocoon's filaments together is softened by alternating hot and cold immersions. The basic weaving technique uses the same or different colors in the warp and weft threads. It is the finest of all natural fibers and one of the strongest. Silk Production Process in Ancient China. Production process: Extracting raw silk starts by cultivating the. On average, 36,000 worms consume 1 ton of mulberry leaf over their lifetime. Called the Goddess of the Silkworm, Si-Ling apparently raised … Silk (for this Instructable I used silk noil). When it comes to silk, most people will think of Charmeuse. However, this fabric tears easily. 2-ply, 4-ply, 6-ply is often used to indicate the weight of Thai silk fabric. Silkworms are really not worms, they are the larvae of “bombyx mori” moths. Silk has set the standard in luxury fabrics for several millennia. Using spinning wheels, dyed silk skeins are then unwound by hands onto wooden or plastic bobbins to be prepared for warp or weft in the weaving process. Silk Making Process Step 1: Raising silkworms and harvesting cocoons. Although some silkworms are allowed to become moths to propagate the species, most of them are harvested in this stage to be used in silk production. It is a safer process with minimum degradation to the silk fibre. Acid Dyes (I have a variety of Dharma, Jacquard, and ProChem dyes). State the process of making silk - 22042162 1. 1. After the knowledge of making silk spread, women from almost every household raised their own silkworms, and sold the best quality cocoons in the bazaar to make silk cloth. The larvae are covered in tiny dark hair. The threads will be woven at right angles to each other, and the two different angles are called a warp and a weft. A skilled weaver can weave a few inches a day on a very complicated weave. Dye silk thread in a dye bath. This process takes about 2 to3 days. Scale (I have a scale for weighing fiber amounts and a more precise … Silk is sometimes—in a process called weighting—treated with a finishing substance, such as metallic salts, to increase weight, add density, and improve draping quality. As the filament of the cocoon is too fine for commercial use, three to ten strands are usually reeled at a time to produce the desired diameter of raw silk which is known as "reeled silk". [Note: … Only the filament produced by Bombyx mori, the mulberry silk moth and a few others in the same genus, is used by the commercial silk industry. According to Kadolph, Langford, Hollen, and Saddler (1993), China was the only country producing silk for approximately 3,000 years before spreading to other Asian countries. Log in. Step 4: Dyeing. Silk yarns must be washed and degummed by immersing the skeins in large tubs of hot water. And then, weave silk by hand loom or power loom. Silk twisters: The raw silk still contains the sericin gum. China silk, also called “plain silk,” is the least expensive of the silks, and is lightweight and shiny. SILK-MAKING PROCESS The commercial process of silk making is highly complex and labor intensive. After this process, there is also a bleaching and drying process before the threads are good for hanging out to dry the beautiful color variations of the yarn, ready for spinning onto bobbins. Hot water. It starts by raising silkworms and then processing the fibers they produce. It simply means the number of threads used for the weft when weaving silk fabric. When silkworms are ready to spin, they are inserted into a specially woven circular bamboo scaffolding, which will make the cocoons more uniform in shape and easier to collect. Spun silk is comprised of broken filaments that have been processed into a yarn. Each Thai silk cocoon can give about 700 yards long of filament. Weavers open the warp by stepping on pedals, their hands and feet must work in perfect unison to enable the warp and weft yarns to interlace correctly. The cultivation of domesticated silkworms is, by nature, an inherently sustainable process, but there are ethical issues; the commercial production of silk involves destroying the silkworm before it emerges from its cocoon. spinning reel. The cocoons are first sorted by color, size, shape and texture. Measuring cup. Log in. Step 5: Spinning. Ask your question. The degumming process leaves silk lustrous and semitransparent, with a smooth surface that does not readily retain soil. The silk solidifies upon contact with air. Different methods of twisting are used to get the various types of silk yarn: crepe, organzine, singles, etc. Spin silk thread by hand on wooden or plastic tubes to be prepared for warp or weft. A silkworm stops eating when it is ready to enter the pupal stage and spin the cocoon. This is where cocoons are turned into silk threads through a four-step process. PROCESSING. August 14, 2018 admin Leave a comment. The process of extracting silkworm cocoon out of silk is called reeling. The term “ply” i.e. Kusuma Rajaiah, an Indian man, has developed a new technique for producing silk that does not require killing silk worms in the process. The pupal stage is when the larval structures of the silkworm are broken down forming adult structures and the caterpillar gets transformed into a moth. After they have moulted several times, they spin a cocoon. The third scene shows the process of spooling. Piles of cocoons are kept under the sun, boiled or exposed to steam. Finally, the reeled filament will be wound into skeins, which are bundled into bales and shipped to silk mills, and weave them into fabric using hand or power looms at here. In the third month of the lunar calendar which was called “silkworm month” silkworms breeding process started. Step1: Separation of the silk fibre from the cocoon. Post rearing of silk worm into cocoons by farmers the cocoons are bought to their near silk cocoon markets and auctioned. Sericulture, also called silk farming, is the process of making silk fibers. The man seated on a bench in front of a silk-reeling machine picks up several filaments to form a silk thread that is being wound on the reel. Step 2: Thread extraction: Step 3: Dyeing. The filament begins to unwind, forming an extraordinarily long thread of great strength yet as delicate as a spider’s web. This process is divided into several stages but typically starts from cultivating silkworm on mulberry leaves. Starting with silk worms, which aren't actually worms, and ending with luscious fabric, the photos illustrate the proceedure in 6 steps. The resulting silk is soft, light and lustrous, and is twisted to produce the strands of silk yarn. The silk relers are issued a license and given rights to bid price for the cocoons. It was believed that an ancient Chinese princess was the first to discover the process for manufacturing silk fabric from the filament fiber produced by silkworms. Step2: Reeling the silk, which is the process of delicately unwinding the fibre from the cocoon. It is carried out to impart the lustrous and softness on silk. Step 2: Thread extraction. Answered State the process of making silk 2 Silk is the ultimate natural luxury raw material and fibre. The introduction of silk made a significant impact on these societies. Weaving silk by hand loom is a rather time consuming and require special skill. A cocoon can extract about 1000 meters of cocoon silk, and some cocoons and silk will be merged into raw silk. In the reeling process, a special wooden device is used to locate the end of the filament, after which it must be carefully unwound, a process that not only requires hard work over a boiling pot, but also practiced skill to keep the threads unbroken. First, cocoons are stored by color, size, shape and texture. Related Products long fibres to be extracted and fed into the. The history of silk making stretches back 6,000 years, and the earliest example of silk fabric that has been discovered dates from 3,630 BC in Henan. Here, we will show you some silks. Once the worms. According to the ancient written sources mulberries were usually planted in deserts, field boundaries, in front of the houses. Although there are many types of silk around the world, only eight types of silk (such as charmeuse, China silk, crepe de Chine, Doupioni, noil, raw silk, shantung and tussah) familiar to western clothiers. Crepe de Chine is made by twisting some fibers clockwise and others counterclockwise before weaving, producing a fabric with a pebbly texture and the fabric is lightweight and does not ravel easily like other silks. Set the loom after the warp and weft are prepared. Dyes are prepared in a dye bath. Crinkly fabrics are made with crepe, while sheer cloth is made with single thread. The front of the fabric has shimmery satin weave while the back is flattened crepe, or simply wrinkled woven fabric. The eggs must stay between 25 and 31 °C, in a tray with high humidity and carefully moved to a “petri dish” (a circular flat bamboo tray) when they hatch. The dyed yarns are then hung in the shade to dry before they can be spun onto bobbins. The filaments from several cocoons are then reeled together on a wooden spindle into a uniform strand of raw silk. Th… Farmers raise moths under strict control. You can also collect the cocoons of wild silkworms, but this is less common. An ounce of silkworm eggs yields about 35,000 worms, during gestation, which lasts approximately three weeks. After the warp and weft are prepared, the loom is set and the weaver begins by pushing down the harness to separate the two sets of warp threads, leaving space to shoot the Silk is regularly used to make garments, accessories, home furnishings, tapestries, rugs, despite its high cost. upendrachaudhary777 upendrachaudhary777 7 days ago Science Secondary School +5 pts. A cocoon is a protective case or shell that the silkworm spins around itself. Legend has it that a Chinese princess was sipping tea in her garden when a cocoon fell into her cup, and the hot tea loosened the long strand of silk. To get the billions of cocoons necessary to have a viable silk industry (by some estimates, about 10 … For this, it is need to be exposed to warmth. The protein fiber of silk is composed mainly of fibroin and is produced by silkworms larvae to form cocoons. Silk is a beautifully lustrous fabric made from an animal fiber with the same name. Weaving is the process in which the final piece of silk comes together. In about 10-14 days each of the eggs hatches and produces a larva which is also known as a caterpillar. Step 3: Dyeing. Most of the cocoons are used in silk making but some of them leave the cocoon as butterflies by secreting liquid onto the silk threads to dissolve them, so they can emerge. Join now. dissolved in boiling water in order for individual. Step 6: Weaving. The warmth causes the silk fibre to separate from the rest of the cocoon. After our tour of Suzhou's Grand Canal and one of the smaller side canals, we boarded the tour bus and headed off to a silk factory for a demonstration on the silk-making process. Thai silk is hand-woven because the yarn from the thai silkworms is not strong enough to be machine woven. French German Italian Spanish Portuguese (Brazil) Dutch Japanese Korean Arabic Danish Russian Swedish. A spatula removes the outside layers of the cocoon, then, having found the end of the single cocoons, the silk thread is rolled on a reel. shuttle alternately back and forth, sending the wooden shuttle flying from side to side by pulling on a cord while simoultanously beating up the weft yarn. How is Silk Made; How to Make Silk; Silk Production Process Silk Worms. Join now. Ancient literature, however, attributes the popularization of silk to the Chinese Empress Si-Ling, to around 2600 B.C. In this way, Silk is prepared from Silkworm. Several Important Silk Types You Need To Know, Where Can I Buy Fabric To Make Bed Sheets, Chang’an-Tianshan Corridor of the Silk Road was designated by UNESCO as a World Heritage Site, How is Silk Made; How to Make Silk; Silk Production Process. The protein fiber of silk is composed mainly of fibroin and is produced by silkworms larvae to form cocoons. A fast weaver can weave up to a maximum of 9-10 yards a day for a simple plain weave. More ply means more thickness and less smoothness. The more number of weft yarn reeled together, the heavier the silk fabric becomes. Farmers deliver the cocoons to filatures (special factories), and here cocoons are turned into silk threads through a four-step process. Degumming is generally carried out by following treatments: (a) Extraction with water: In this process, silk thread is treated in hot water (100-130°C) for 30 minutes to 4 hours, which can cause degumming of sericin. Making Silk A moth lays 500 or so eggs and then dies Baby worms hatch from the eggs are fed mulberry leaves for one month until they are fat The worms spin cocoons The cocoons are steamed to kill the growing moth inside The cocoons are rinsed in hot water to … Generally, weaving involves interlacing two sets of threads so that they lock around each other and create a strong, uniform piece of fabric. When you think of silk, no other country comes to mind than China. Larvae are fed mulberry leaves. The larva begins molting when the head turns darker and may molt about four times after which the body turns sli… The process of making Silk. By 300 AD, women in central and western Asia were using Chinese silk thread with most woven silk fabrics. Silkworm secretes a protein-like substance through its head to form the cocoon when it ready to become a pupa. The process of silk production is known as sericulture. © Thongseng Ltd Partnership All rights reserved. … The people living in the region were the inventors of silk fabric, and no other culture discovered this process independently. Therefore, to obtain silk, the Koya is put into the boiling water, so that the silkworm which is inside it, died there and segregates thread from it. Silk worm begins life as an egg, and then it becomes a silk worm, pupa and, finally, a moth. The bulk of the world’s silk needs Bombyx mori silk moth. Silk is a natural protein fiber, some forms of which can be woven into textiles.The protein fiber of silk is composed mainly of fibroin and is produced by certain insect larvae to form cocoons. The Process Of Making Silk - May 21, 2018 - First step: Silk Reeling The silk is extracted from the cocoon and becomes the raw material for the fabric. The warp will ru… To make heavier silk, two or more weft yarns are reeled together by hands to make a thicker silk yarn. Ask your question. The female silkworm lays 300-400 eggs and insulates them on the leaves of the mulberry tree. RAW SILK. It is removed by washing it with soap and boiling water. Step 1: Raising silkworms & harvesting cocoons. The new moths must be moved to another tray so the mess they make while mating and laying eggs doesn’t get all over the hard-earned silk cocoons. Copyright © 2020 PANDA SILK® All Rights Reserved. The origins of silk date back to Ancient China. Designboom has a fascinating pictorial of the traditional silk making process of the craftspeople in a small village in north-east Tailand. Arun Yarns deal with manufacturing of 100% Mulberry Pure Silk Yarn. c) Reeling the filament : Reeling is the process of unwinding the silk filaments from the cocoon and combining them together to make a thread of raw silk. Next, silk filaments are unwound, and several strands are reeled together in lengths of 300 to 600 meters, or approximately 984 to 1,968 feet because individual filaments are too fine for commercial production. Silkworms increase in length to more than 5 cms within 20-24 days of their feeding time and shed their skin several times in the process. History of Silk. silkworms on mulberry leaves. Nevertheless, it is this manual process that gives Thai silk a lustrous sheen and slightly uneven texture that distinguishes it from the sleek machine-woven fabric. Even though this was considered to be a legend, the first country to manufacture silk fabric was China. Second, soften the silk gum holding the cocoon’s filaments together by alternating hot and cold immersions. start pupating in their cocoons, these are. Silk fibers are combined into silk thread.The thread can then be twisted into silk yarn or woven into silk cloth (fabric). The cruel process of making silk Silk is the fibre that silkworms weave to make their cocoons – outer casings that protect them during the pupal stage. Silk production is nothing but one out of the several stages through which the silkworm goes through during its life cycle, finally unraveling the most desired and loved silk thread out of a cocoon. Silkworm is a stage of the silk moth’s life cycle. After the worms are completely transformed into cocoons, the cocoons are immersed in hot, almost boiling water, to help soften the thick gum coating and to not damage the continuity of the thread. STEPS: Sericulture– Cultivation of the silkworm cocoon for their filaments is known as sericulture. Silkworms are actually domesticated insects, incapable of flight, mate quickly after emerging from their chrysalis, and die a day or so after laying eggs. The process of making silk is called sericulture, and it involves harvesting silkworms for the material. There are many different ways in which silk can be woven – satin weave, plain weave and open weave are most common, and the finish of the silk will depend on the type of weave. Based on quality the rates are determined. The final scene, on the left, shows silk being woven.