The origin and development of the textile machine

1 The origin of the textile machine

China is one of the earliest countries in the world to produce textiles. The textile industry is both a traditional and advantageous industry in China. As early as 2,500 years ago, textile techniques appeared in China, from hand weaving and spinning in ancient times to Now that machines replace traditional handwork, Chinese textiles have gone through a long and splendid history. The earliest textile prototype appeared in the primitive ancestors’ period. With the evolution of human beings, there was gradually the consciousness of slash-and-burn cultivation and the establishment of tribes. Men and women used animal fur from hunting or straw such as kudzu fibre, etc. Taking rubbing, knitting, weaving, weaving, and other hand-woven methods and using primitive tools such as stone knives and bone cones to make simple clothes to meet daily life’s needs is the earliest form of textile consciousness.

Looms, also known as spinning machines, looms, cotton spinning machines, etc., were originally shuttle looms. The technology of shuttleless looms has been studied since the 19th century and has been gradually promoted to the international market since the 1950s. Market. Since the 1970s, many new shuttleless looms have been put on the market. Shuttleless looms have achieved remarkable results in improving fabrics and improving the efficiency of looms. They are widely used in countries around the world and speed up weaving equipment transformation. There is a general trend of replacing shuttle looms with shuttleless looms.

2  The development of textile machines

At the beginning of the 1980s, entering the automated and intelligent production stage, new and environmentally friendly, multi-functional textile materials appeared. The fabrics produced by the spinning machine were more comfortable and soft, richer in style, and more able to meet the needs of the majority of diversification. The textile industry thus entered a heyday, corresponding to the emergence of upstream, middle and downstream raw material supply factories, additives factories, printing and dyeing factories. In the future era of continuous progress in science and technology society, there may be more technological breakthroughs in the textile industry, developing textiles that better meet the needs of the public, more complete variety and more diversified functions.

3 About the difference between FDY, POY and DTY products

DTY: The stretched textured yarn is twisted in a certain direction during subsequent processing, and the thread is still straight when wound. But in a relaxed state, it shrinks and fluffs up. While FDY is in a relaxed state, there is no contraction.

POY: Pre-oriented yarn, referred to as the winding yarn under the condition that the spinning speed exceeds 3000 m/min, the degree of orientation is higher than that of the conventional spinning winding yarn, and the bottom of the drawn thread has certain storage stability, but the crystallinity is still very low.

FDY: Fully drawn yarn is a processing method after spinning. By introducing stretching during the spinning process, a winding yarn with high orientation and moderate crystallinity can be obtained, a fully drawn yarn. Conventional fully illustrated yarns of polyester and nylon are all chemical fibre filaments. FDY fabrics are smooth and soft to the touch and are often used to weave silk-like fabrics. It has a wide range of uses in clothing and home textiles.

The difference between DTY and FDY in detail is that the difference in drafting speed when the fibers are bundled leads to the difference in the process. There is also a kind of POY here. DTY is a kind of textured yarn belonging to POY. The POY spinning machine is stretched. The machine overfeeds the high temperature equipment, which produces a more curly DTY, so the DTY fabric will be softer and more fluffy. The difference in the drafting speed of the fibers leads to the birth of these Ys. The drafting speed of the FDY spinning machine is about twice that of POY, which leads to different changes in the molecular structure of FDY and POY after stretching, and the FDY fiber is more straight. POY is relatively more curved.

So simply put, the difference between FDY and DTY in the textile industry is DTY: stretch textured yarn, the fibre is rolled. FDY: Fully drawn thread; the fibres are straight. POY: DTY is a textured yarn belonging to POY. Process differences in production produce FDY and DTY, and different processes correspond to fabrics with additional needs.

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