《概论》课程实践报告模板

20122403MACHINETOOL＆HYDRAULICSFeb.2012Vol.40No.3DOI10．3969/j.issn.1001－3881.2012.03.0292011－02－232011FJ30061968—、。[e-mail]。121.4120072.410083。。TP271.31B1001－388120123－103－3SchemeDesignfortheGiantForgingHydraulicPressActiveSynchronousControlSystemLIUZhongwei121.SchoolofMechanicalEngineeringHunanUniversityofTechnologyZhuzhouHunan412007China2.SchoolofMechanicalandElectricalEngineeringCentralSouthUniversityChangshaHunan410083ChinaAbstractThesynchronouscontrolsystemistheessentialdevicetothegiantforginghydraulicpress．Itssynchronizationcontrolperformancewilldirectlydetermineproductquality．Themaincausesofworkingcylinderasynchronismanditseffectonsynchronouscontrolperformancewereanalyzed．Accordingtothepracticalproblemsofsynchronouscontrolapplicationanactivesynchronismcon-trolschemewasproposedbasedonmulti-pointdriver．KeywordsGianthydraulicpressSynchronizationcontrolsystemActivesynchronism、、。、、1。、、2。。、、、、3。、、。。。、。4。。。1。。。。。2、、。、。。800MN315kN1。5412。。、。、。2315kN55。53。3·401·40“→→→→→→”。4。43。3。、。5。S7-300PLC5CPU317T-DPCPU317T-DPWINCC、、、、。5CPU317T-DPPID。PID。5U1、U3PLC。A、BPLC111·501·353.2.4lc=0.3mmα=23°L=7mm2、2.5、3、3.5、4mm。66。l。450m/s。41。。2。3。。、。【1】．M．2001．【2】．D．2004．【3】．J．20083512131－135．【4】．M．2006．【5】．J．2009524－26．【6】．J．2007676－78．【7】BOOIJSilviaMFANLEOliverWBRAATJosephJM．ShapingwithFluidJetPolish-ingbyFootprintOptimizationJ．AppliedOptics200443167－69．【8】WHELANBrianPROBINSONAnthonyJ．NozzleGeome-tryEffectsinLiquidjetArrayImpingementJ．AppliedThermalEngineering2009292211－2221．105A＞B13PIDBPIDAPIDU11131。44。。。【1】．J．20031115－116．【2】．D．2006．【3】．J．200540328－30．【4】．M．2006．12．·111·3