Rapier weaving machine also known as spinning machines, looms, cotton spinning machines, etc., the early looms were all looms driven by manpower. The shuttleless loom technology has been researched since the 19th century, and has been gradually introduced to the international market since the 1950s. Since the 1970s, many new shuttleless looms have been put into the market one after another. Rapier weaving machine 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 the process of weaving equipment transformation. The share of rapier weaving machine in many developed countries has reached about 80%. There is a general trend of replacing shuttle looms with shuttleless rapier weaving machine.
The common basic feature of rapier weaving machine is to separate the weft yarn package from the shuttle, or to carry only a small amount of weft yarn to replace the large and heavy shuttle with a small and light weft inserter, which provides favorable conditions for high-speed weft insertion. . In the supply of weft yarn, the bobbin package is directly used, and it enters the weft insertion mechanism through the weft storage device, so that the loom can get rid of the frequent weft replenishment action.
The use of rapier weaving machine is of great significance for increasing fabric varieties, adjusting fabric structure, reducing fabric defects, improving fabric quality, reducing noise and improving working conditions. The speed of rapier weaving machine is high, and the efficiency is usually 4-8 times higher than that of shuttle looms. Therefore, the application of rapier weaving machine in a large area can greatly improve labor productivity.
As the structure of the shuttleless rapier weaving machine is improving day by day, and the selection of materials is wide, and the processing accuracy is getting higher and higher, coupled with the development of science and technology in the world, the electronic technology and microelectronic control technology gradually replace the mechanical technology, the shuttleless rapier weaving machine. The manufacture is a combination of metallurgy, machinery, electronics, chemical and fluid power and other disciplines, integrating electronic technology, computer technology, precision machinery technology and textile technology in one high-tech product.
The air-jet loom detects the total warp tension through the tension sensor, and the CPU controls the warp tension changes caused by the opening, warp loosening, let-off, and warp diameter changes, so as to ensure the warp let-off accuracy and maintain a constant warp tension. Because the air-jet rapier weaving machine adopts microcomputer technology and other electronic technologies to control the movement of the whole machine, especially the automatic monitoring of product quality, the production efficiency of the air-jet loom is greatly improved. At the same time, air-jet rapier weaving machine have higher and higher requirements for the electronic control system, which not only must have high performance, good stability, easy maintenance, and low failure rate, but also must be able to adapt to the environment of high temperature, high humidity, high hairiness and dust. It also has strong anti-interference requirements for power supply fluctuations and group interference.
The development of rapier weaving machine products presents many characteristics.
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