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CAD100022Designandemulationof3-DCADsystemoncentrifugalpumpimpellerWANGXin-huaMAYong-chaoWUTingCollegeofMechanicalEngineering&AppliedElectronicstechnologyBeijingUniversityofTechnologyBeijing100022China1001-3997200901-0050-03【】CADWindows、、、CAD。、、CAD。CAD【Abstract】TowardthetrendsinresearchanddevelopmentofCADsystemincentrifugalpumpanopen-ended3-DCADsystemofcentrifugalimpellerisestablishedaboutlowmediumandhighspecificspeedbasedonWindowsenvironment.Accordingtothehydraulicdesignprincipleofcentrifugalpumpthedesignmodulesofpumpparameterimpellerparameterbladeplottingaswellasinterfaceparametersout－puttingarefinishedandasetofparameterizedCADdesignsystemisdeveloped.Thusthe3-Dsolidmassdesignandemulationofspatialwarpingbladeincentrifugalimpelleriscarriedout.KeywordsImpellerCADSystemdesignEmulation TH311TH391.9A＊2008-03-18、[12]。。3VC++6.0。4。ab44a。4b。。。5aδv=0.055bδv=0.001。δv=0.001。4αβ。δv0.001～0.003。。ab51.M.20002.M.20003.5J.200137124.NCJ.20053＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊MachineryDesign＆Manufacture12009150CADCAMCAD/CAMCAD/CAM[3]。1CADPro/E。CAD、、、GUI。1.1。、、、、、、。CpropertyPageCpropertySheetWizardSheetWiz－ardSheet。。。1.2、、、。1.2.1。1αf、R1、αb、R2。11、O1、O2A1A2B1B2。2B10B10dh/2dhB2R2dh/2+R2O20dh/2+R2VC＋＋。1.2.2。2AEBA、B。2ABOAOB。ODOE、EC、CD。EAEB。bb=23s+ρAOBCRc。。F=2πRcb。bRc。。。3。。1.2.31[4]。QxiQyi。3。321CAD51△θ＝5°。axiayibxibyicxicyi。A3ax0ay0△s△sRi△u=Ri×5×π/180△s。△s△s=△u。4。41.2.4。。1.3。ax、aybx、bycxcy1[5]△θ＝5°yθx。2Pro/EPro/EPro/EIBL[6]。2CADPro/EPro/E。2.1Pro/E“inset”－“datum”－“curve”－“fromfile”Pro/E。Pro/E5。5Pro/E2.2Pro/EGraphPro/E“insert”－“datum”－“Graph”Pro/E。Graph。2.3Pro/E6、7。Pro/E。673CAD、、。CFDCFD。1.CADJ.200331339～412.CADJ.200230326～293.J.2002130～324.J.2003318～215..20022127～116.Pro/E2001M.2002No.1Jan.200952