English Views: 12 Author: Site Editor Publish Time: 2021-12-31 Origin: Site
The compact spinning technology has successfully solved the hairiness and fly-flash produced by ring spinning, and improved the strength and wear resistance of the yarn. The appearance and physical properties of the yarn have been greatly improved and improved, which is comparable to ordinary ring spinning. Compared with, it has obvious advantages in yarn quality and output. Dayao Textile has developed a series of compact-spun cotton yarns, from 32S to 60S conventional compact-spun cotton yarns.
As an operator of the textile industry, one must not only be familiar with the textile market and grasp the dynamics of the market, but also be familiar with the technological process of textile production. An understanding of textile technology is essential. To learn, we must learn from the source. The following explains the compact spinning technology of spinning.
Principle: Compact spinning (concentration spinning): A new type of spinning technology improved on the ring spinning frame. A fiber control zone is added before the traditional drafting device, and the airflow is used to laterally condense the fiber bundles passing through the control zone. The width of the fiber bundle is greatly reduced. After the fiber bundle is gathered and then twisted and wound, almost every fiber of the fiber bundle can be gathered into the yarn body to form a concentrated spinning yarn with less hairiness and high strength.
Equipment: Up to now, the compact spinning equipment that has been put into use includes foreign compact spinning, Switzerland Rieter compact spinning: German Suessen compact spinning, German Zinser compact spinning, Japanese Toyota compact spinning, and Shirokas compact spinning.
One is the airflow-aggregation compact spinning system, which mainly uses negative airflow force to cause the fibers in the agglomeration zone to shrink laterally and gather compactly;
One is the mechanical agglomeration compact spinning system, which mainly uses mechanical force to cause the fibers in the agglomeration zone to shrink laterally and gather compactly.
Gathering roller: The gathering roller is the core component of compact spinning, which has important functions such as drafting, suction and gathering, and fiber conveying.
The function of the suction pipe: connect the drafting device and the twisting and winding mechanism and form a vacuum suction fiber gathering area
Agglomeration ring: to complete the suction fiber collection and transport fiber strands.
Negative air pressure of suction pipe:
The negative pressure of agglomeration ring suction is generally 1964~3437 Pa;
Drafting multiple of the gathering circle:
If the draft ratio is too large, the evenness will deteriorate. Generally, the draft ratio is 1.01~1.05;
Parameters of the agglomeration circle:
Using regularly arranged circular holes, 1.2mm hole diameter and 3mm hole diameter, better spinning quality can be obtained.
Advantage:
(1) Less hairiness
The hairiness of traditional ring spinning is mainly produced in the twisting triangle area, while compact spinning eliminates the triangle area, and the hairiness is greatly reduced. Proof of production practice. Compared with traditional ring spinning, the hairiness of compact spinning yarn is reduced by 70% to 80%.
(2) Well done
The fiber straightness in the sliver is improved, and the yarn evenness is better.
(3) Wear resistance
Compared with traditional ring spinning, the fiber arrangement of compact spinning yarn is neat and straight. The yarn structure is tight and the fibers are not easy to fall apart, so the yarn has good wear resistance.
(4) High strength
Yarn strength depends on the number of fibers in the sliver and the cohesion and friction between the fibers. Compact spinning with less hairiness. There are more effective fibers in the sliver. In addition, the fibers are arranged neatly and tightly held together. High yarn strength. Compared with traditional ring spinning, the strength of compact spinning yarn is increased by 10% to 25%.
(5) Good pilling resistance
Fabric pilling is closely related to the hairiness of the cloth surface. The fabric produced by compact spinning yarn has less hairiness on the fabric surface and its anti-pilling performance is obviously better than that of traditional ring spinning;
(6) Small twist
Due to the increase in strength, the twist of the yarn can be appropriately reduced. Generally, the twist is reduced by 20% compared with ring spinning, which can increase the yarn output;
Shortcoming:
Large equipment investment
High start-up cost
Clean work is strong
1. Improve the appearance of the fabric
Compact spinning has less hairiness, tight and smooth yarns, and weakened coverage of the fabric. Therefore, the surface of the fabric is bright and clean, the lines are clear, and the drape is improved;
2. Improved fabric service performance
The breaking performance and tearing of tight textiles are emphasized to improve, the abrasion resistance and resilience are improved, the fabric is wear-resistant, not easy to pilling, and the wear resistance and non-ironing properties of clothing are also improved;
3. Unique fabric style
The small twist of compact spinning makes the fabric feel soft, delicate and silky. Good abrasion resistance is more suitable for the development of loop and pile fabrics, so that the loop and pile of the fabric or clothing are not easy to wear. The fibers in the cut pile fabric are not easy to wear away;
1. Combed cotton extra-fine yarn
The quality requirements of cotton extra-fine yarns are high, and it is difficult to grasp the requirements for single yarn strength and hairiness during spinning. Using compact spinning technology can solve this problem well.
2. Linen spinning
The ramie yarn spun by the traditional ring spinning method has long hairiness and more hairiness. The cost of singeing in the post-processing process is very high. The compact spinning technology is used to transform the flax spinning frame. The hairiness of hemp yarn is greatly reduced, and the disadvantages of traditional ramie yarn such as many hairiness, surface hairiness and obvious defects are improved.
3. Wool spinning
Compared with cotton fiber, wool fiber has lower strength but good elongation performance. The compact spinning can increase the strength of the yarn. Practical application shows that wool compact spinning can improve yarn thickness, strength and elongation more significantly
4. Yarn-dyed products
The domestic introduction of compact spinning equipment and devices, and the use of compact spinning yarns began with yarn-dyed weaving. At present, the yarn-dyed industry uses the most compact yarns. In Europe, 80% of men's shirt fabrics use compact spinning.
5. Grey cloth products
The currently used varieties are mainly high-count and high-density fabrics, such as: JC 80*80 feather-proof fabric, JC 60*60 twill fabric, JC 40*40 direct tribute, compact spinning is compared with traditional ring spinning: warping Broken ends can be reduced by 30%.
6. Knitwear
Compact yarns also have strong advantages when applied to knitted fabrics, and the currently used varieties include casual wear. High-end underwear, sportswear, T-shirts, etc. Apply compact yarn. The cloth surface has less hairiness, and the singeing process can often be omitted; the cloth surface has clear textures, and the quality of the cloth is significantly improved; and there are fewer broken ends. Increased production efficiency. The overall benefit is relatively high.
