An explanation of the advantages, disadvantages and characteristics of Sero spinning technology
An explanation of the advantages, disadvantages and characteristics of Sero spinning technology
Silo spinning technology uses two rovings to produce two yarns on one spindle. It does not require any additional twisting process during weaving. The two rovings maintain a certain distance between them and enter the apron control area, and are drafted at the same time. When the two rovings are When each drafted sliver reaches the nip of the front roller, it is twisted into a single thread. However, due to the small twist, the single thread has the properties of two-ply yarn, which improves the characteristics of the yarn and has high friction resistance. Additionally, it has less hairiness than traditional single yarns. Silo spinning also overcomes the shortcomings of ordinary two-ply yarns: firstly, the application of Silo spinning can optimize the spinning geometry; secondly, there will be no single yarn strand due to one yarn being broken while the other yarn is not. Defects.
The spinning device of Silo Spinning is very simple. The twisted yarn below the twisting point passes through two pin rods mounted on hinges. During normal production, the yarn does not contact the pins, but when a single yarn in the strand is broken, a As the root or yarn leaves the main body, the remaining single yarn moves sideways and releases the pin lever. The yarn is wound around the two pins, thus preventing twist formation and yarn breakage. Silo spinning has many advantages over traditional single-yarn ring spinning, such as less hairiness, more even evenness, higher pilling resistance, soft hand feel, good friction resistance, and better breathability. .
Silo spinning is a highly adaptable technology that can be installed and used on new spinning equipment, making the price of the resulting spinning machine reasonable and cheap. All fibers can be processed and produced in the wool textile system, and the added value and economic benefits of producing combed wool yarn are high. Wool spinning speeds are generally lower than those used in the production of synthetic fibers. Silo spinning overcomes these shortcomings because it no longer requires a second twisting, but the thread is formed in one pass. Sero spinning can maintain spinning strength better, can spin finer yarns, and use lower quality raw materials to produce good yarns of a certain quality. This is important in the woolen industry because wool is expensive and accounts for a large proportion of the product cost. Therefore, the yarn and fabric properties of Silo spinning are similar to those of two-ply yarn and fabric, but the production cost is much lower. For example, in the worsted wool spinning industry, Silo spinning will bring greater benefits to the enterprise, because Silo spinning yarn can meet the weaving engineering and fabric property characteristics related to the production of long fiber yarns, and the production cost is lower than that of ordinary stocks. The line process is significantly reduced. Silo spinning is suitable for processing and producing pure wool yarn. The yarn properties are almost the same as those of two-ply yarn. When producing pure synthetic fiber yarn, the hand feeling is slightly harder. Compared with ordinary two-ply yarn, silo spinning has many economic advantages: mainly when producing combed wool yarn, it can save 40% of production costs. When silo spinning is used to replace two-ply yarn, the output is equivalent to the output of each spindle. With the same spindle, there are fewer breakages during spinning than ordinary ring-spun yarn. It is also easier to repair breakages, and 300 breakages can be repaired per minute.
Disadvantages of Cerro spinning technology: First, the twist of Cerro spinning is unstable, while ordinary strands can balance the twisting torque and stabilize the twist. Second, the number of knots in the two-ply yarn is increased because each spinning winding is clear, and the knots are twisted into the two-ply yarn and make the two-ply yarn less hairy.
Although silo spinning replaces double-stranded yarns in many aspects and can eliminate additional twist, there are still certain difficulties in weaving without sizing. These shortcomings deserve attention. Since 1990, Silo spinning has been used in the wool textile industry. There are also many combed wool spinning mills in China that use Silo spinning to produce combed yarn.
Similar to Cerro spinning, Cerofel technology has been developed in Australia. It is mainly used to process one filament and one roving instead of two rovings. Cerofel is not suitable for processing. Pure wool, but suitable for processing filament and long fiber composite yarn. oVPjulVzTx
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