江铃集团发动机公司介绍

《江铃集团发动机公司介绍》由会员上传分享，免费在线阅读，更多相关内容在工程资料-天天文库。

1、江铃汽车集团发动机有限责任公司欢迎您介绍流程: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-Line4Displacement排量2499ccBore×Stroke缸径×行程92mmx94mmMaxpower@400

2、0rpm105kW(143HP)±5％最大功率/4000rpmMaxPeakTorque@2000rpm)340Nm±5％最大扭矩/2000rpmCombustionSystem燃烧系统DirectInjection直接喷射CompressionRatio压缩比17.5:1Specificpower升功率42KW/literMinBSFC最小燃油消耗率205g/KWhAirInductionTurbocharged/intercooler进气方式增压/中冷Block气缸体CastIron铸铁CylinderHeadOnepiec

3、e,inaluminium气缸盖整体式，铝缸盖EmissionDevicesCatalyticconverter,CooledEGR排放装置催化转换器，中冷EGREmissions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

4、础发动机）Length长710mmWidth宽630mmHeight高765mmWeight(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HighpowerR425DOHC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。R425D

5、OHCisTCIDieselEngine,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)intheFullThrottleP

6、erformancetest.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R425DOHCCastironcrankcaseandwetliners铸铁湿式缸套Aluminumcrankshaftsupports铝制轴承座Aluminumcylinderhead铝制缸盖Gallerycooledpisto

7、ns内冷式活塞4valvespercylinderwithdoubleoverheadcamshaft4气门双顶置凸轮轴FingerfolloweractuatedvalveswithhydraulicadjustersCentralverticalinjectorposition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,vacuumpumpandbalance

8、shaft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750–4800rpmOilcon