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Feather damage rate is too small


Rate. GB1103 - 1999 \4%; three, four, five less than 0.6%. Feather the size of the rate of use of lint great impact on the value and processing quality, which directly or indirectly affect lint quality. Feather rate is too large, ginning and lint percentage increase in loss. Reduced seed cotton purchase price,[link widoczny dla zalogowanych], damages the interests of the majority of cotton farmers, cotton farmers hit by the enthusiasm; an increase of business processing costs, directly affecting the economic benefits of processing enterprises. Feather rate is too small, ginning and lint percentage loss decreases. The pursuit of feather rate is too small, leading to the gate position seed cotton processing high volumes of seed cotton tight, the blade speed to accelerate, resulting in poor seed row and so on, reducing the quality of lint cotton, the use value of the lint. Feather damage rate too small has the following three aspects: 1 on the processing quality of the hook in the teeth pull the fiber is easy to produce during the neps, Suosi, broken seeds, seeds with fiber debris and other harmful defects; fiber density than the large, impurities fragile, increasing the number of particles per unit area,[link widoczny dla zalogowanych], can not easily be removed,[link widoczny dla zalogowanych], impurity rate is higher. The uniformity of the yarn to increase the color defect, yarn faults, directly affect the quality of textile products. 2 on the color of the seed cotton lint roll too tight. Serrated speed is too high, seed cotton roll box of friction on the work of a large, seed cotton on the saw blade increases the pressure and friction. Cotton fiber in the process of pulling the hook, hit by heavy machinery, fibers may be tightened at the jagged notch, to return to the volume of seed cotton, easy to make fiber confusing and difficult to brush cotton; the same time easy to heat fiber, fiber waxy surface layer of fat under varying degrees of damage, so that the fiber yellowness increased reflectivity, which directly affect the use value of cotton fiber. 3 pairs of cotton fiber length index and breaking strength of processing the seed cotton roll too tight, the blade speed is too high, easy to take off too much fuzz, while friction increases, resulting in poor fiber relative displacement, serrated on the fiber increased tension hook. Fiber elongation under the action of external forces,[link widoczny dla zalogowanych], the weak-link and the narrow neck at the vertical fracture, and some fibers in the teeth at the rolling off the hook pulled and broken, so that short fiber content increases, the length of the main shorten the length and quality, length uniformity ,[link widoczny dla zalogowanych], breaking strength of fall, thus increasing the textile during the fall of cotton and textile costs, resulting in yarn breakage rate, the stem deterioration, strength reduction and other undesirable phenomena. In addition, the volume of seed cotton on the saw blade increases the pressure and friction, the blade easy to heat and deformation, may wear rib, the power consumption of the motor to increase the number of stops, reducing yields. Row because of poor seed, small hard objects (stones, wire top) difficult to discharge, will reduce the blade, the life of ribs, or even make friction fire, fire. Although the ginning process not only because feather in the size of the case, but with the circulation system, the gradual lifting of the cotton market, cotton processing enterprises surrounded them and increase the acquisition rate of cottonseed feather, Kēng Agricultural agricultural damage are common occurrences: the same time to one-sided pursuit of profit, regardless of the processing of lint quality, minimize feather rate, and some did not even feather, resulting in poor processing quality, color down, cotton fiber length, strength and other indicators to drop, Spinners production and product quality. This is also the cotton quality and lower prices in order to protect one of the major cotton farmers, processing enterprises, the three units in the interests of cotton, lint and textile products to ensure quality, conscientiously implement the \processing in the first and second interlock rate should be controlled in the first O. 3% ~ O. 4%, three, four, five cotton head rate should be controlled at between 0.4% ~ 0.6% is appropriate. China's Xian Jian 10 43 2005
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