第3期StudyontheconfigurationandcostofarapidforginghydraulicpressunitwithpumpaccumulatorboostersuperimposedsupplyofliquidCHENBaijin1,ZHANGLianhua2（1.SchoolofMaterialsScienceandEngineering,HuazhongUniversityofScienceandTechnology,Wuhan430074,HubeiChina;2.ZhongkeJuxinJienengHotForgingEquipmentR&DCo.,Ltd.,Yancheng224000,JiangsuChina）Abstract:Therelevantconfigurationandcostofanenergy-savingfastforginghydraulicpressunitwithpumpaccumulatorboostersuperimposedsupplyofliquidhavebeenstudiedinthetext.Takingtheactualproductionprocessofoneheatforgingasanexample,thepressureoilrequiredformanualopening,automaticconstantforging,andautomaticfastforgingroundingprocesseshasbeenanalyzedandcalculated.Basedontheactualinstallationsituationoftheunit,thevolumeoftheaccumulator,gastank,andboosterrequiredfortheunithasbeencalculated;thecompositionanddifferencesofthemaincomponentsofthehydraulicsystemfortwotypesofrapidforginghydraulicunitshavebeenanalyzed,whiletheequipmentcosthasbeenestimated.Thebasicperformanceofthetwotypesofunitsissimilar,whiletheinvestmentcostdifferenceiswithinanacceptablerange.Theenergysavingfastforginghydraulicpressunithaspracticalandpromotionalsignificance.Keywords:Forginghydraulicpress;Energysaving;Installedpower;Cost1振动产生的原因热模锻压力机为曲柄滑块机构。引起热模锻压力机振动的因素主要有以下三个方面。1.1曲柄压力机自身结构因素热模锻压力机是带大齿轮的机械传动，一般大齿轮安装在离合器上，离合器与制动器同时安装在偏心轴上，构成质量较大的飞轮系统。由于曲轴有较大偏心，且质量较大，显然当该系统质量不平衡时，在转动中必然产生不平衡的惯性力，就会引起飞轮系统振动的干扰力，导致飞轮系统的振动，再经过飞轮系统的支撑传递给机身，引起整机的振动[1]。实践证明，压力机在单次或者寸动时，会产生较大振动，这是因为在单次或寸动时，是靠离合器与制动器交替结合与分离来实现的。当离合器结合时，要驱使静止的曲柄滑块机构加速运动，此时曲柄滑块的惯性力就是飞轮系统运动的阻力，即干扰力，此干扰力必然会引起压力机的振动。当制动时，从动部分的惯性力对制动器产生干扰力，同样会引起压力机的振动，尤其紧急制动时会更加明...
