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Do you know the history and current situation of water jet loom?

Issuing time:2018-04-28 14:21

Water jet loom is a kind of shuttleless loom which uses jet water column to pull weft yarn through the shuttle.

1、 The development history of water jet loom abroad:

Invention period: the water jet loom was first invented by Czechoslovakia in 1955, with the box width of 1050mm and the maximum speed approaching 400rpmin

Development period: in 1960s, Japan Yuanzhou company introduced Czech patents, imitated production, and Nissan LW water jet loom was published publicly.

The first stage: ZW water jet loom was formed by Japan Tsuda Ju company in the 1970s.

Growth period: the successful operation of Nissan and jintianju in the 1980s.

2、 The development history of domestic water jet loom:

1970s: the reform of water jet loom on shuttle loom

1980s: the water jet loom with the box width of 1600mm and speed of about 300rpmin was produced. Shenyang spinning machine factory and Japan Nissan Co., Ltd. cooperate to produce gd761 water jet loom, with annual output of only about 600 sets. Qingdao Yunchun spinning company and Taiwan co-operate to produce jws00 water jet looms with annual output of about 1000 sets.

The end of 1990s: in 1998, the total number of domestic water jet looms exceeded the import quantity for the first time, reaching more than 2800.

3、 Weft introduction principle of water jet loom

Water jet loom belongs to jet loom, which uses water as weft medium, and creates friction traction force to weft by jet water, so that weft on fixed bobbin is introduced into the shuttle port. This makes the water jet loom have advantages in speed, labor saving and energy saving, but it is limited to weaving hydrophobic fabrics.

4、 Variety adaptability of water jet loom

Water jet loom is a kind of high-speed loom which is widely used in recent years. But its products are limited. Many products cannot be produced, but the production efficiency of general interior fabric is high.

It is suitable for mass production, high speed and low cost of filament fabric; processing of hydrophobic fiber (polyester, nylon and glass fiber, etc.); water jet loom can only be used for narrow or medium width fabric processing; it can be equipped with multi arm openings to weave fabrics with high warp density and small pattern weave; it has poor weft selection function, and can only be equipped with two nozzles at most for weft mixing or two-color weft weaving.

5、 The comparison between air jet loom and water jet loom is as follows

The same thing: they are all Shuttle Less Looms

Differences: Water jet loom uses water as the medium, and uses high-pressure water flow to carry weft yarn from one end of the loom to another section. The suitable products are thin, and the raw materials are hydrophobic, such as polyester, nylon, acrylic and other chemical fibers. In addition, the price of water jet loom is cheaper than that of air-jet loom. The price of water jet loom is about 100000 yuan, and that of air-jet loom is about 300000 yuan

Air jet loom uses air as medium and high-pressure air flow to carry weft yarn from one end of the loom to another. The product is more adaptable than water jet loom. It can be made of chemical fiber, polyester cotton and cotton.

6、 Main models at home and abroad

Abroad: the leading water jet looms are mainly the water jet looms of Tsudakoma company and Toyota of Japan. Japan Tsuda Ju zw405, Japan Toyota lw600, Tsuda Ju zw408 water jet loom

Domestic: the main representative models of water jet loom are Shenyang Hongda gd768 and gd7671h; jw-861, jw-664 and jw-851 series introduced by Hangzhou Yinchun; jw918, JW921, jw2011 and jw2011 series introduced by Qingdao Yinchun. Shenyang Hongda gd768, Shenyang Hongda gd767, etc.

7、 Present situation of water jet weaving technology

1. The speed of conventional and mass production has increased from 500r / min to more than 800r / min. The production speed of some models can reach 900r / min, the speed of experiments and exhibitions can reach 1000'1200r / min, and the speed of water jet looms can reach 1250r / min (Toyota lwt710). The speed of domestic water jet looms is also generally increased, generally from 600-900r / min to 1200R / min (Hangzhou Yinchun jw-673ch-2p)

2. Variety breakthrough water jet looms were mainly used to weave nisi and polyester plain spinning in the 1980s. With the rapid development of synthetic silk processing technology, the limitation of variety has made a great breakthrough, mainly in the following aspects.

①   Double jet, free color selection and high-speed dobby loom make the products colorful: due to the breakthrough of high-speed dobby shedding mechanism technology and the success of research and promotion of double jet and free color selection technology, the current water jet loom can weave twill, satin and ternary weave, and can weave sliver, plaid fabric, and small pattern fabric Colorful and ever-changing.

② In the past, 75 dtex (68 denier), 77 dtex (70 denier) and 11 odtex (100 denier) were used )It can weave not only conventional polyester yarn, but also low elastic yarn, strong twist yarn and different shrinkage yarn; it can weave not only ordinary yarn, but also fine denier yarn, ultra fine denier yarn and split type ultra fine yarn; it can weave not only single fiber, but also composite yarn and wrapped yarn. In the water jet loom, we need to carry out technological innovation, increase the development of hydrophilic fiber fabrics, change the production pattern of single synthetic fiber, realize the diversification of raw materials, adopt the blending, blending and interweaving of cotton, hemp, silk, wool, chemical fiber and other fibers, make full use of advantages and avoid disadvantages, so that the fabric has not only the air permeability and comfort of natural fiber, but also the straightness, wrinkle resistance and high strength of chemical fiber It will improve the grade of products and obtain higher economic benefits. Due to the breakthrough of weaving materials, the weaving situation of water jet loom is greatly reduced.

③ From weaving thin fabrics to weaving thin, medium and thick fabrics, silk products made by water jet looms, especially wool like silk products, have developed to thick ones. The water jet looms have been strengthened and the beating up mechanism has been improved, so that heavy and heavy fabrics can be woven smoothly on water jet looms. Wool like real silk, heavy synthetic silk and strong twist linen like heavy silk can be woven on water jet looms Make.

④ In the past 20 years, the nominal width of water jet loom has gradually increased from 130cm, 150cm, 170cm, 190cm to 210cm, 230cm, or even wider. It can be used in the production of home textile products, such as curtains, bed sheets, table cloth, etc., and can also be used in the double width weaving of clothing fabrics. The long-term and growing demand for fiber and the huge market for chemical fiber fabrics determine that the water jet loom, which is suitable for weaving chemical fiber filament fabrics, has a market. There is no electrostatic phenomenon in the production process of water jet loom, which makes it difficult to replace the low position of water jet loom. With market and demand, the industry can develop. Water jet loom is still the development direction of filament weaving industry in the future.

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