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    Production line of 1 + 5 opening unit

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    Product description

    It is reflected in the quality indexes and falling objects of semi-finished products (fiber roll or fiber layer) after opening. This includes: 1) the type and quantity of impurities and defects in semi-finished products; 2) the structure and uniformity of semi-finished products; 3) the content of short fibers in semi-finished products; 4) the opening degree of fiber blocks, which are expressed by the average weight (g / block), unit volume weight (kg / m3) or the final velocity of free settlement of fiber blocks in the air; 5) the number of spinnable fibers in the falling objects. In order to further improve the opening quality of fiber raw materials and yarn quality, the main development direction of opening process is: to improve the form and structure of opening machine parts, widely use taker in roller, card beater or carding roller to improve the opening degree of fiber block and the structure and uniformity of semi-finished products; To strengthen the pre opening of fiber raw materials, in the process of opening, more free striking should be used and less grip striking should be used; air flow and other methods of opening and removing impurities should be used to avoid fiber damage and impurity fragmentation, so as to reduce the yarn forming defects.


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