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2021-03-12
According to the classification of fabric fibers, it can be divided into cotton spinning machine, wool spinning machine, sack loom, silk loom and so on.
There are various weft insertion methods for shuttleless looms, including rapier, jet (air jet, water jet), projectile, multi-shed (multiphase) and weaving.
1. Rapier Loom: Use rigid or flexible rapier heads and belts to clamp and guide the weft. In addition to being suitable for weaving plain and textured fabrics, rapier looms are characterized by easy color change, suitable for multi-color weft fabrics, and suitable for the production of yarn-dyed, double-layered fleece fabrics, loop fabrics and decorative fabrics.
2. Air Jet Loom: draw the weft yarn with the compressed air jet, and take the weft yarn through the shed. The biggest feature of the air jet loom is fast speed and high labor productivity. It is suitable for the production of plain weave and grain fabrics, fine extra-high-density fabrics and large-volume fabrics.
3. Water Jet Loom: Use water as the weft insertion medium to generate frictional traction on the weft with the jet of water, so that the weft on the fixed package is introduced into the shed. The water jet loom has the characteristics of high speed and high unit output. It is mainly suitable for the production of hydrophobic filament chemical fiber fabric with smooth surface.
4. Projectile Loom: the weft is clamped by a small sheet shuttle with a clip, and the weft insertion is projected. The projectile loom has the advantages of stable weft insertion, excellent fabric quality, and less weft loops. It is suitable for the production of multi-color weft fabrics, fine and thick fabrics and wide fabrics.
The basic feature common to the above four types of shuttleless looms is to separate the weft yarn package from the shuttle, or to carry only a small amount of weft yarn and replace the large and heavy shuttle with a small and light weft insertion device, which provides high-speed weft insertion. Favorable conditions. In the supply of the weft yarn, the package is directly used, and the weft insertion mechanism is entered through the weft storage device, so that the loom can get rid of frequent weft supplementation actions.
Therefore, the use of shuttleless looms 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 the Shuttleless Loom is high, and the efficiency is usually 4-8 times higher than that of the shuttle loom. Therefore, the promotion and application of the shuttleless loom on a large area can greatly improve labor productivity.
As the structure of the shuttleless loom is improving day by day, the range of materials used is wide, and the processing accuracy is getting higher and higher. In addition to the development of world science and technology, electronic technology and microelectronic control technology are gradually replacing mechanical technology. The manufacturing of shuttleless looms is metallurgy and machinery. It is a high-tech product that combines electronic technology, computer technology, precision machinery technology and textile technology.
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