Abstract
The paper investigated the influence of the rotation frequency of the take-up, main and doffing drums of the C60 carding machine from RIETER on the quality indicators of the card sliver. The raw material used was medium-fiber cotton with a fiber length of 26.5-28 mm. The experimental study was carried out with changing speed modes: rotation frequency of the main drum from 451 to 520 rpm, of the take-up drum from 1018 to 1400 rpm, of the doffing drum from 62 up to 72 rpm.The quality indicators of the produced card sliver were determined using an USTERTESTER-5 laboratory equipment. It was established that an increase in the speed mode of the main working bodies within the studied limits on carding machines does not cause a deterioration in the combing quality.
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