In order to realize high speed,high yield and high quality of carding machine,the e-quipment parameters,spinning process parameters,semi-finished carding cotton sliver quality index,yarn index and fabric quality of Rieter C51 and C70 carding machines are compared and analyzed.It is pointed out that compared with C51 carding machine,the level of automation,digitalization and intelligence of C70 carding machine is higher,and the change of carding acces-sories configuration leads to obvious changes in opening,carding,straightening,impurity re-moval,dust removal,transfer,repeated carding fiber rate and so on.The carding effect of C70 carding machine is improved,and the production is increased.The quality of semi-finished car-ding cotton sliver is stable,the yarn quality is better,and the fabric A-grade cloth rate reaches 99.6%.C70 carding machine has more application advantages than C51 carding machine.
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