培训资料1-发动机技术参数及基本结构

江铃汽车集团发动机有限责任公司江铃汽车集团发动机有限责任公司欢欢迎迎您您介绍流程:•江铃R425DOHC发动机基本情况介绍•江铃R425DOHC装配工艺•江铃R425DOHC常见故障及维修•江铃R425DOHC电控系统概述江铃R425DOHC柴油机基本情况介绍BasicIntroductionofjianglingR425DOHCEngineR425DOHCEngineBasicEngineData发动机基础参数–Configuration形式In-Line4–Displacement排量2499cc–Bore×Stroke缸径×行程92mmx94mm–Maxpower@4000rpm105kW(143HP)±5％最大功率/4000rpm–MaxPeakTorque@2000rpm)340Nm±5％最大扭矩/2000rpm–CombustionSystem燃烧系统DirectInjection直接喷射–CompressionRatio压缩比17.5:1–Specificpower升功率42KW/liter–MinBSFC最小燃油消耗率205g/KWh–AirInductionTurbocharged/intercooler进气方式增压/中冷–Block气缸体CastIron铸铁–CylinderHeadOnepiece,inaluminium气缸盖整体式，铝缸盖–EmissionDevicesCatalyticconverter,CooledEGR排放装置催化转换器，中冷EGR–Emissions尾气排放水平EU.3（具备EU4能力）–InjectionSystemElectronicallyControlledCommonRail,燃油喷射系统电控共轨–ValveTrainDualOverheadCamshaft,4Valves/Cylinder(DOHC)气门机构双顶置凸轮轴，4气门/气缸Dimensions（BaseEngine)结构尺寸（基础发动机）–Length长710mm–Width宽630mm–Height高765mm–Weight(dry)重量（净重）220kgVMR425DOHC柴油机总成外形尺寸VMR425DOHCDieselEngineAssy.DimensionsRightview右视Frontview前视Backview后视710765630性能卓越的高速直喷柴油机State-of-the-ArtHSDIEngine•噪声低Lownoise•比功率高Highpower–R425DOHC柴油机进行增压中冷，比功率为42kW/L，在柴油机中处于领先水平。R425DOHCisTCIDieselEngine,Thepoweris42kW/L.•大扭矩HighTorque–外特性最大扭矩为340N·m,有利于整车的加速性及操纵性。Thepeaktorqueis340Nm,satisfiedwiththevehicle’saccelerationandthedriveabilityisperfect•低油耗–外特性最低油耗实测230g/(kW·h)，最低工况点油耗195g/KW.H，具有优秀的经济性.Themin.fuelconsumptionis230g/(kWh)intheFullThrottlePerformancetest.Min.fuelconsumptionis195g/(kW·h),withhigheconomy•低排放LowEmission–达到欧三排放并具备欧四能力EuroⅣcapabilityR425DOHCSpecificationsandTechnicalData说明书和技术参数R425DOHC•Castironcrankcaseandwetliners铸铁湿式缸套•Aluminumcrankshaftsupports铝制轴承座•Aluminumcylinderhead铝制缸盖•Gallerycooledpistons内冷式活塞•4valvespercylinderwithdoubleoverheadcamshaft4气门双顶置凸轮轴•Fingerfolloweractuatedvalveswithhydraulicadjusters•Centralverticalinjectorposition喷油器中央垂直布置•Commonrailinjectionsystem共轨喷射系统•Belt-drivencamshaftandinjectionpump皮带传动凸轮轴及喷油泵•Geartrainforoilpump,vacuumpumpandbalanceshaft齿轮传动油泵、真空泵、平衡轴•Balanceshafts(available)平衡轴（可选）•CooledEGR中冷EGRR425DOHCDCharacteristics性能指标Enginerpmrange:发动机转速范围750–4800rpmOilconsumption:机油耗≤0.22g/kWhrFuelconsumption:燃油耗215g/kWhr@peaktorque256g/[e-mail]-by:漏气量40L/1’@max.powerColdstartability:低温启动性能5sec.@-20°C(10Woil)6sec.@-25°C(0W/5Woil)R425DOHCFuelInjectionSystem燃油喷射系统•BoschCommonRail1350barMax.PressureBosch共规喷射系统，最大喷射压力为1350bar.•ECU:EDC16电控单元：EDC16•LowPressurePump:notneeded低压泵：不需要Components部件R425DOHCCylinderHead气缸盖R425DOHCCylinderHead+Valves气缸盖+气门组R425DOHCCylinderHead+VerticalInjectorsR425DOHCCylinderHead+ValveTrainR425DOHCValveTrain气门传动机构R425DOHCPorts气道R425DOHCHeadCover气缸盖罩R425DOHCIntakeManifold进气歧管R425DOHCInjectionSystem喷射系统R425DOHCBlock气缸体R425DOHCBlock气缸体R425DOHCCrankshaftandCon.RodAssyR425DOHCBalanceShaftDrive平衡轴传动R425DOHCTimingDrive正时传动R425DOHCBeltCover皮带罩壳R425DOHCExplodedView分解视图TransparentView透视图PartialAssembly部装图Crankshaft曲轴Crankshaft曲轴Crankshaft曲轴EGRLayoutEGR布局图谢谢Thankyou