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Machine cleanliness is an important basic work for quality assurance. In the research on neps quality of color-spun yarn, combined with production practice, through the analysis of Uster yarn clearing data and fabric defects in the winding process, it is believed that the defects caused by cleaning account for Relatively large, and at the same time more serious on the cloth surface.
(1) Ensure that the airflow between the carding clothing is smooth, the short lint removal pipeline is smooth, and there is no hanging flowers, and the dust sticks and wallboard accumulated flowers are dealt with in time. Equipment charter personnel must check the status of their chartered aircraft once a day on and off work, and the operation duty lathes need to clean the machine 3 to 4 times per shift.
(2) The rear cans of the drawing frame should be placed in a standardized manner, to prevent the phenomenon of strip grinding, and to clean the overhead, drafting area, and flannel; observe whether there are flowers hanging or accumulating in the drafting area of the drawing frame; The smoothness of holes and strips, and control the speed of the machine at the same time. Always maintain the appearance inspection of semi-finished products to prevent tops, hanging flowers, sticking and other phenomena, and foreign-fiber protection should be done when storing cooked sliver.
(3) The roving operator is required to strengthen the cleaning of the drafting area, 2 to 3 times per shift; strengthen the patrol inspection of the cooked sliver after the machine to prevent the phenomenon of splitting and grinding. The equipment charterer needs to check the abnormality of the upper and lower flannel, and check the cleanliness of the roller once a day.
(4) The spinners on duty are required to strengthen the cleaning of the drafting area, more than 2 times per shift, to keep the suction pipe unobstructed. The equipment charterer checks the cleanliness of the rollers once a day, and needs to be cleaned up in time for abnormal situations; keep the containers where the cops are stored clean and tidy.
(5) The winding process is required to strengthen the inspection of the smoothness of the yarn passage, and the vehicle speed is controlled at 1000 m/min ~ 1 200 m/min.
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