How to develop terry fabric on artificial fur circular machine
2020-09-23
In the past decade, with the continuous development of computer technology, the continuous improvement of artificial fur machinery manufacturing technology and the rapid development of chemical fiber industry, more and more chemical fiber varieties are suitable for the production of artificial fur. In addition, a large number of foreign investment and foreign advanced technology investment have made China's artificial fur industry enter a new round of sustained and high-speed development stage. Especially in recent years, the post processing technology of artificial fur products has become more mature and developed (mainly the hair tip dyeing, hair tip color drawing and the combination of hair tip dyeing, color extraction and printing, etc.), so that it has been fully applied in the field of clothing, especially the clothing produced by the combination of artificial fur products and suede products is favored by European and American markets. Therefore, all fur factories tap the potential and improve the production capacity, which makes China's artificial fur industry rank first in the world in terms of production capacity and actual production.
Artificial fur machine
The top feeding artificial fur is made by combing the top into a network fiber through the carding head, feeding the knitting needle by doffer, and bending the yarn together with the ground yarn to form a loop. The ground yarn coils are connected with each other to form the ground structure, while the fiber bundles fed by doffer and the loop stem of the ground weave form a loop together. Both ends of the fiber bundle extend from the needle knitting arcs of the ground weave to form plush. Its advantages are relatively short process flow, high production efficiency and low cost.
Especially with the rapid development of chemical fiber industry, the advantage of imitating natural fur is fully reflected. However, due to its unique technological process, a large part of the fibers are cut off during the pre shearing process, resulting in a great technological waste, Especially in the production of thin ball pile (the ball height is 4-6 mm), the shearing loss can be as high as 40%. This is mainly because the carding sliver making equipment in the previous process of artificial fur can not form a net into sliver for too short fiber, and the dimension length of traditional acrylic staple fiber and polyester staple fiber is generally 32mm In recent years, in order to reduce the shearing loss in the production process of artificial fur, many acrylic fiber factories (polyester factories) have cooperated to produce the fiber cut-off length of 28 mm and 25 mm (very few varieties have achieved this goal) Through cutting the length of the fiber, the shearing loss in the production process can be greatly reduced, but the difficulty and loss of carding sliver are also increased.
In order to reduce the loss in the whole production process of artificial fur, we try to develop the terry fabric on the artificial fur circular machine by combining the design of imported equipment, and achieved certain results. The basic method is to hook the two ends of the fiber bundle from the needle knitting arc for the first time into the knitting needle through the additional reverse air blowing device (the original blowing direction on the artificial fur circular machine is blowing from around the needle cylinder to the inside, while the reverse blowing direction is blowing from the inside to the outside) in the knitting process of the ordinary artificial fur circular machine. We call it the second wool eating (actually it should be several times of wool eating, fiber) The free end of dimension participates in knitting several times on several coil rows, and the number of times of knitting depends on the length of fiber and the height of loop, which greatly changes the subsequent finishing process, saves the shearing process, and greatly improves the production rate of the product.
