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Product Detail

1 + 6 opening unit

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Product description

Product description

The process of releasing and removing impurities from compressed, entangled fiber materials. All kinds of fiber materials used in spinning, such as raw cotton, wool, chemical staple fiber, cotton, hemp, polyester, rags, etc., are mostly transported into textile mills in bales. The packing density of raw materials is generally 200-650 kg / m3, while the packing density of raw cotton in China is about 330-400 kg / m3. In order to produce high quality spinning yarn, it is necessary to loosen the raw materials, remove various impurities and mix them evenly. The opening quality of fiber raw materials has an important influence on the quality of semi-finished products and yarn, as well as material saving.

Product function

It is mainly used to release fibers, cotton, textiles and other materials. By tearing, large tangled fibers are released into small pieces or bundles. At the same time, there are mixing and impurity removing functions in the process of loosening. The opening machine is generally composed of a pair of feeding rollers or feeding rollers and a loosening cylinder. The opening cylinder is equipped with corner nails, carding needles, card clothing or porcupine hitters. In order to open more completely, some of them are equipped with work rolls and stripping rolls. Different structures make the opening effect, mixing effect and impurity removal effect obviously different. Therefore, different types of openers should be used in the production line with different requirements. According to the raw materials, the opening machine can also be selected, and the opened fiber is fed into the carding machine for processing.

Product application

Due to the variety of spinning raw materials, fiber properties and impurities, the opening process of raw materials is also different. In cotton spinning, the opening of raw cotton is an independent process, which is carried out on the opening and cleaning combined machine. At the same time of raw cotton opening, there are additional functions such as mixing, impurity removal and dust removal. In wool spinning, the opening of raw wool is often combined with washing, drying and blending. In silk spinning, the opening and removal of impurities are carried out in the process of making cotton. The opening quality of various fiber raw materials mainly depends on the process, and different process principles should be adopted for different raw materials. For example, when processing raw cotton in cotton spinning, the technological principles of first loosening and then beating, more loosening and less returning, reasonable striking, early falling and less crushing are adopted. When processing short chemical fiber or medium long fiber, because chemical fiber raw material is fluffy, does not contain impurities, only contains a small number of fiber defects, so the process principle of more combing and less beating, less elimination and more recovery is adopted. According to the principle of combination of opening and cleaning machinery and configuration process. The raw materials with too tight packing, water or impurities should be pretreated. The tight packed raw materials should be pre opened or unpacked first to allow sufficient time for natural release; the raw materials with excessive water content should be dried before opening, so as to improve the opening effect of raw materials.



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