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How to Choose Core Yarn for Textile Core Yarn?
The usage of fabrics and the number of spinning branches determine the size of fibers and the number of individual fibers. The finer the single filament and the more the number of strands, the softer and smoother the fabric with the same fiber size; On the contrary, the fewer the pieces, the harder and more straight the fabric. For laminated products, without considering the luster of the core wire, smooth core wire can be used to reduce production costs; For exposed products, the luster of the core wire should be considered, and the bare core wire should be avoided as much as possible to produce aurora and affect the use effect of the product.
How to identify textiles using combustion method?
Definition of combustion method: Burn the fabric on an open flame, observe the deformation of its fibers after being heated, the flame condition, the difficulty and speed of combustion, the odor and color emitted, the shape of the burned ash and residue, hardness, and other methods for identification.
Coarse Wool Spinning System, Combed Wool Spinning System 1. Coarse Wool Spinning System products include: preliminary processing of woolen fabrics, blankets, carpets, and industrial woolen wool → wool blending, oiling → combing → fine yarn.
What are the classifications of textiles?
In ancient times, silk fabrics were basically named according to fabric organization, fabric patterns, and fabric colors. Modern silk continues to use many of its old names, such as crepe, damask, thu, and silk, as well as some loanwords such as georgette and taffeta. According to the organizational structure, raw materials used, processing techniques, texture, appearance, and main uses of silk weaving varieties, it can be divided into ten or four categories: yarn, silk, silk, spinning, silk, crepe, brocade, satin, thu, ge, tweed, velvet, silk, etc.
There should be a spacious and large warehouse. If the warehouse is very small, it cannot be stacked by any method (skillfully, it is difficult for a wife to cook without rice). Next, distinguish according to the type of fabric, such as textile fabric and woven fabric, because knitted fabric is softer in rolls, while woven fabric is more straight when rolled, and the fabric material classification and cotton fabric separation, Polyester cotton fabric and fiber fabric are divided into three parts.
How to use polyester filament and cotton fiber to spin core-spun yarn?
The roving machine of the spinning machine is equipped with polyester filament bobbins, and the lower row is equipped with roving. No lateral device of the spinning machine is used. Polyester filament is fed from above the roller, combined with the stretched cotton sliver, and then twisted and spun into a core-spun yarn. In this method, due to the axial unwinding of the filament, it is inevitable that the filament will move in a circular direction along the tube during the unwinding process. When passing through the guide rod, it will inevitably swing left and right, and the swing amplitude will change with the change of the unwinding diameter. To solve this problem, a guide hook can be installed on the top of the roller to fix the filament in the middle of the strip, which is not affected by objective conditions, maintains synchronization, and has a good coating effect.
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