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AnalysisofFunctionalPerformanceofRemovableRotationFlatsofDifferentMaterialsofCardingMachineHEShanshan1 ,ZHANGYi2(1.CollegeofTextiles , DonghuaUniversity , Shanghai201620 , China ;2.ZhejiangChangshanTextileCo. , Ltd. , Quzhou324200 , China )Abstract : ThecausesofheelGandGtoesectionabrasionofremovablerotationflatsofcardingmachinewereexplainedbyanalyzingthestructureoftheremovablerotationflatsofcardingmachineanditsrunningstateduringoperationincardingarea , andameasurementmethodonheelGandGtoesectionwasproposed.ContrastexperimentswereconductedonfrequentlyGusedcastironrotationflatsandaluminiumalloyrotationflats.Theresultsshowedthataluminiumalloyrotationflatsperformedbetterinreducingenergyconsumptionofcardingmachineandextendingtheservicelifeofremovablecoverplateforitsadvantagesofgoodyarnquality , highwearresistance , andlightweight.Keywords : cardingmachine ; rotationflats ; heelGandGtoesection ; abrasion ; energyconsumption ;antiGabrasion