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QR CodeYour present position:Home >> Air-jet looms: the selling point is high efficiency and low consumption
Air-jet looms: the selling point is high efficiency and low consumption
Time:[2019-8-7]
Pageview：8518
Air-jet loom has the advantages of fast speed, high efficiency, less material consumption, reasonable air-jet weft insertion mode, simple and safe operation, and it can be used in cotton fabrics, jeans, feather-proof fabrics, yarn-dyed fabrics, medium-length wool-like fabrics, elastic fabrics, towel fabrics and other fields. It is suitable for mass production, medium-sized fabrics and high-density fabrics. High-quality fabrics have gradually been recognized by the majority of users, which has laid a favorable condition for their best-selling.
A small climax in the market
For most cotton spinning air-jet loom enterprises, 2010 is a celebratory year. In this year, the economic efficiency of the whole industry has been greatly improved and investment has increased steadily. On the premise of increasing profitability, textile enterprises in order to achieve the purpose of increasing product output and added value, have increased the upgrading and purchasing of equipment, air-jet looms have also achieved a best-selling by this trend.
Reporters learned that many loom enterprises are in a saturated state of order production tasks. The head of Qingdao Tianyi Company told reporters that the company's air-jet loom orders have been basically scheduled for the second half of this year, compared with the same period last year, orders increased by more than 20%.
With the improvement of living standards, people have a higher pursuit of comfort of clothing air-jet looms. Cotton fabrics or cotton interwoven products will still become a bright spot in the future. It is precisely for this reason that Jiangsu Weihua Group plans to introduce 300 Japanese Tsudamu air-jet looms this year, and is ready to put them all in place by the end of April. Xu Weihua, chairman of the company, said that while expanding production capacity, the company will rely on the advantages of imported looms to further enhance the added value of products.
At the same time, the spinning industrial park planning project in Yucheng County industrial agglomeration area of Henan Province has been launched. It is understood that the plan includes two major projects, Chenlong Textile and HSBC Textile, with a total investment of 1.5 billion yuan and a design scale of 560,000 spindle spinning and 400 air-jet looms. At present, the first phase of the planned project is under intensive construction.
Reporters also learned that in 2010, 15 of the projects introduced from Lanxi Station in Zhejiang Province were promoting the transformation and upgrading of the textile industry, with a total investment of 2.17 billion yuan and a total value of 60 million dollars in the introduction of advanced jet looms.……
Equipment destined to be hot sellers
It is no coincidence that air-jet looms can sell well. Reporters learned that many textile enterprises choose air-jet loom mainly because it can not only achieve high-speed weaving, high efficiency production, but also because it has the potential of simple air-jet loom operation, reduce labor and reduce energy consumption. After years of development, textile machinery manufacturing enterprises have also made some achievements in this area. For example, in order to improve the weaving speed of equipment, manufacturing enterprises redesigned the frame, thickened the wall panels of box structure, minimized the height of the frame, increased the rigidity of the frame, which is the basis for improving the speed of equipment.
In order to improve efficiency and reduce the workload of blocking, some advanced air-jet looms have applied automatic weft breaking mechanism. Parts of weft breaking parking can be automatically handled by looms, which reduces unnecessary manual operation. When weaving thick weft, the device also has the function of automatic switching of weft accumulator. Usually, the equipment adopts two weft accumulators to correspond to one main nozzle. When weft breakage occurs between the weft cylinder and the main nozzle or one weft cylinder is used up, the loom automatically switches to another corresponding weft accumulator to participate in weft insertion without stopping and waiting for the lathe blocker to process, thus improving the weaving efficiency.
The energy consumption of air-jet looms is very large, most of which is the consumption of compressed air, and a small part is the energy consumption of motor and moving parts. At present, domestic air-jet looms have begun to take some energy-saving measures to reduce energy consumption. For example, dynamic and accurate control of weft insertion process can improve weaving efficiency, adapt to different weft insertion, and reduce air consumption to a certain extent. There are many ways to control weft insertion dynamically and accurately, and they have been used in weaving production and actual production process. The control system of the equipment is usually based on the error of the weft arrival angle and the set angle detected by the weft detector.
In addition, the application field of air-jet looms has attracted the attention of some users. Many looms are equipped with jacquard shedding devices. The maximum number of needles on the jacquard machine is over 6900. It can weave home textile decorative fabrics, garment fabrics, concave-convex fabrics (car seat fabrics), fancy curtain fabrics (weft yarn is rope and wool, fine denier filaments, etc.), Terry fabrics, jeans, decorative paintings and other textiles.
In recent years, the outstanding progress of air-jet looms is that the in-depth application of information technology makes the operation and maintenance of air-jet looms more convenient, and the efficiency of equipment use and management has been significantly improved. These advances are reflected in: as long as the weaving parameters are input, the system will automatically calculate the necessary weaving parameters, and successfully complete the weaving process, reduce the negative impact of human factors on the weaving production, and improve the use efficiency. At the same time, the system can automatically control and adjust the weaving process, greatly improving the production efficiency of the equipment. In addition, the system can automatically prompt equipment maintenance requirements, automatically diagnose faults, automatically classify, summarize and analyze various data needed for production management. With the improvement of informationization level, air-jet looms and centralized management can be networked among looms in the workshop, which greatly improves the management efficiency.
The level of control needs to be improved
Although some domestic air-jet looms have made some progress in reducing labor costs, reducing energy costs, improving fabric quality and expanding the range of varieties, which can basically meet the user's needs, the popularity is far from enough. For example, the technology of automatic switching of weft accumulator, automatic processing of weft breakage, automatic speed regulation, remote diagnosis and so on still has a long way to go, and it still needs to be accelerated.
Relevant experts pointed out that in order to achieve the goal of reducing energy consumption of equipment, the control level of domestic air-jet loom system needs to be improved urgently, and more efforts should be made in fast detection technology, high-speed data processing, control software, servo control flow control valve, etc. At the same time, the manufacturing level of domestic main nozzle, auxiliary nozzle, solenoid valve, special reed and other components and equipment still needs to achieve a major breakthrough.
At present, foreign loom manufacturers have developed online start-up gear detection devices. Before the loom is finished processing broken yarn and restarted, the position of the loom is photographed by digital camera, and the image recognition is carried out. According to the weft density of the fabric and the standard position of the loom, the type and position of the start gear and start gear can be judged after the start of the loom, and the parameters of let-off and take-up can be adjusted automatically to prevent the start of the loom. File defect. This technology is very helpful to improve the quality of fabric and has the potential of wide application. Domestic looms are still in the initial stage in this respect, which still need to be improved and improved.
In addition, the universality of domestic loom equipment needs to be strengthened. According to the development of air-jet loom technology of foreign manufacturers, under the condition of similar rotational speed, the four main motion mechanisms of modern shuttleless looms can be used in general. The development of rapier and jet universal models is the trend of technological development. Its advantages are: modularization of components, common platform for design, large-scale production and low cost.