ENGEL厂家培训资料(CC200注塑机液压基础).ppt
《ENGEL厂家培训资料(CC200注塑机液压基础).ppt》由会员分享,可在线阅读,更多相关《ENGEL厂家培训资料(CC200注塑机液压基础).ppt(13页珍藏版)》请在冰豆网上搜索。
bethefirstHydraulicpumpsandmotorsNamedesVortragendenbethefirstHYDRAULICPUMPSDIFFERENCEBETWEENVARIABLEANDFIXEDDISPLACEMENTPUMPDIFFERENCEBETWEENVARIABLEANDFIXEDDISPLACEMENTPUMPNEEDEDPOWERNEEDEDPOWER050%100%Qmax.Qmax.100%50%0Power/energylossFIXEDDISPLACEMENTPUMPVARIABLEDISPLACEM.PUMP100%P100%PDPDP=PressuregradientontheproportionalvalveDPPower/energylossbethefirstRADIALPISTONPUMPSETVALUEQVALVEAMPLIFIERELECTROHYDRAULICADJUSTMENTBOSCHPUMPWITHELECTROHYDRAULICADJUSTMENTBOSCHPUMPWITHELECTROHYDRAULICADJUSTMENTbethefirstRADIALPISTONPUMPBF1BUEYSU=20+D-Y13SUMBOSCHPUMPWITHELECTROHYDRAULICADJUSTMENTBOSCHPUMPWITHELECTROHYDRAULICADJUSTMENTbethefirstRADIALPISTONPUMPADVANTAGESASCOMPAREDWITHPRESSUREANDTHROUGHPUTCLOSEDLOOPCONTROLBoschpumpBoschpumpwithwithelectrohydraulicelectrohydraulicadjustmentadjustmentThepower/energylossofthethroughputclosedloopcontrolisomittedhere.Asaresultinlowpressurerangehighaccuracy.Linearpressurecharacteristiclineuptolowpressuresettingvalues.ShorterfloatingtimeswithlowsystempressurebethefirstAxialpistonpumpDFE(E)bethefirstSCHEMATICCIRCUITbethefirstAxialpistonpumpDFEEe.g.ES11050/800DUObethefirstZeroZeropositionposition1/41/4revolutionrevolution1/71/7revolutionrevolution1515HYDRAULICMOTORSAnnularAnnulargeargearmotormotorbethefirstHYDRAULICMOTORSOilfilling2.3lOMVBLS90orCASTROLLSX90orSHELL90LSAnnularAnnulargeargearmotormotorbethefirstHYDRAULICMOTORSAnnularAnnulargeargearmotormotor