培训资料1-发动机技术参数及基本结构.pdf

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1、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欢欢迎迎迎迎您您您您介绍流程介绍流程:江铃江铃R425DOHC发动机基本情况介绍发动机基本情况介绍 江铃江铃R425DOHC装配工艺装配工艺 江铃江铃R425DOHC常见故障及维修常见故障及维修 江铃江铃R425DOHC电控系统概述电控系统概述江铃江铃 R425DOHC 柴油机基本情况介绍柴油机基本情况介绍Basic Introduction of jiangling R425DOHC EngineR425 DOHC EngineR425 DOHC EngineBasic

2、 Engine Data 发动机基础参数发动机基础参数Configuration 形式形式In-Line 4Displacement 排量排量2499 ccBore Stroke 缸径行程缸径行程92mm x 94 mmMax power 4000 rpm 105 kW(143 HP)5最大功率最大功率/4000 rpmMax Peak Torque 2000 rpm)340 Nm5最大扭矩最大扭矩/2000 rpmCombustion System 燃烧系统燃烧系统Direct Injection 直接喷射直接喷射Compression Ratio 压缩比压缩比17.5:1Specific

3、power升功率升功率42KW/literMin BSFC最小燃油消耗率最小燃油消耗率205g/KWhAir InductionTurbocharged/intercooler 进气方式增压进气方式增压/中冷中冷Block 气缸体气缸体Cast Iron 铸铁铸铁Cylinder Head One piece,in aluminium气缸盖整体式，铝缸盖气缸盖整体式，铝缸盖Emission DevicesCatalytic converter,Cooled EGR排放装置催化转换器，中冷排放装置催化转换器，中冷EGREmissions 尾气排放水平尾气排放水平EU.3（具备（具备EU4能力）能

4、力）Injection System Electronically Controlled Common Rail,燃油喷射系统电控共轨燃油喷射系统电控共轨Valve Train Dual Overhead Camshaft,4 Valves/Cylinder(DOHC)气门机构双顶置凸轮轴，气门机构双顶置凸轮轴，4气门气门/气缸气缸Dimensions（Base Engine)结构尺寸（基础发动机）结构尺寸（基础发动机）Length长长710 mm Width 宽宽630 mmHeight高高765mmWeight(dry)重量（净重）重量（净重）220 kgVM R425 DOHC 柴油机总

5、成外形尺寸柴油机总成外形尺寸VM R425 DOHC Diesel Engine Assy.DimensionsRight view右视Front view前视Back view后视710765630性能卓越的高速直喷柴油机性能卓越的高速直喷柴油机State-of-the-Art HSDI Engine噪声低噪声低 Low noise比功率高比功率高 High powerR425 DOHC柴油机进行增压中冷，比功率为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。，在柴油机中处于领先水平。R425 DOHC is TCI Diesel Engine,The power is

6、42kW/L.大扭矩大扭矩 High Torque外特性最大扭矩为外特性最大扭矩为340Nm,有利于整车的加速性及操纵性。有利于整车的加速性及操纵性。The peak torque is 340Nm,satisfied with the vehicles acceleration and the drive ability is perfect低油耗低油耗外特性最低油耗实测外特性最低油耗实测230g/(kWh)，最低工况点油耗，最低工况点油耗195 g/KW.H，具有优秀的经济性，具有优秀的经济性.The min.fuel consumption is 230g/(kWh)in the Ful

7、l Throttle Performance test.Min.fuel consumption is 195g/(kWh),with high economy低排放低排放 Low Emission达到欧三排放并具备欧四能力达到欧三排放并具备欧四能力 Euro capabilityR425DOHCSpecificationsand Technical Data说明书和技术参数说明书和技术参数R 425DOHC Cast iron crankcase and wet liners铸铁湿式缸套铸铁湿式缸套Aluminum crankshaft supports铝制轴承座铝制轴承座Aluminum

8、cylinder head铝制缸盖铝制缸盖Gallery cooled pistons内冷式活塞内冷式活塞4 valves per cylinder with double overhead camshaft4气门双顶置凸轮轴气门双顶置凸轮轴Finger follower actuated valves with hydraulic adjustersCentral vertical injector position喷油器中央垂直布置喷油器中央垂直布置Common rail injection system共轨喷射系统共轨喷射系统Belt-driven camshaft and inject

9、ion pump皮带传动凸轮轴及喷油泵皮带传动凸轮轴及喷油泵Gear train for oil pump,vacuum pump and balance shaft齿轮传动油泵、真空泵、平衡轴齿轮传动油泵、真空泵、平衡轴Balance shafts(available)平衡轴（可选）平衡轴（可选）Cooled EGR中冷中冷EGRR 425DOHCDCharacteristics 性能指标性能指标Engine rpm range:发动机转速范围发动机转速范围750 4800 rpmOil consumption:机油耗机油耗 0.22 g/kWhrFuel consumption:燃油耗燃油

10、耗215 g/kWhr peak torque256 g/kWhr max.powerBlow-by:漏气量漏气量40 L/1 max.powerCold startability:低温启动性能低温启动性能5 sec.-20C(10W oil)6 sec.-25C(0W/5W oil)R 425DOHCFuel Injection System 燃油喷射系统燃油喷射系统Bosch Common Rail 1350 bar Max.Pressure Bosch共规喷射系统，最大喷射压力为共规喷射系统，最大喷射压力为1350 bar.ECU:EDC 16 电控单元：电控单元：EDC 16Low P

11、ressure Pump:not needed低压泵：不需要低压泵：不需要Components 部件部件R425DOHCCylinder Head 气缸盖气缸盖R425DOHCCylinder Head+Valves 气缸盖气缸盖+气门组气门组R425DOHCCylinder Head+Vertical InjectorsR425DOHCCylinder Head+Valve TrainR425DOHCValve Train 气门传动机构气门传动机构R425DOHCPorts 气道气道R425DOHCHead Cover 气缸盖罩气缸盖罩R425DOHCIntake Manifold 进气歧管

12、进气歧管R425DOHCInjection System 喷射系统喷射系统R425DOHCBlock 气缸体气缸体R425DOHCBlock 气缸体气缸体R425DOHCCrankshaft and Con.Rod AssyR425DOHCBalance Shaft Drive 平衡轴传动平衡轴传动R425DOHCTiming Drive 正时传动正时传动R425DOHCBelt Cover 皮带罩壳皮带罩壳R425DOHCExploded View 分解视图分解视图Transparent View 透视图透视图Partial Assembly 部装图部装图Crankshaft 曲轴曲轴Crankshaft 曲轴曲轴Crankshaft 曲轴曲轴EGR Layout EGR布局图布局图谢 谢谢 谢Thank you