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江铃汽车集团发动机有限责任公司 欢 迎 您

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. Basic Introduction of jiangling R425DOHC Engine. R425 DOHC Engine. Basic Engine Data 发动机基础参数 Configuration 形式 In-Line 4 Displacement 排量 2499 cc

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江铃汽车集团发动机有限责任公司 欢 迎 您

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  1. 江铃汽车集团发动机有限责任公司欢 迎 您

  2. 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

  3. 江铃 R425DOHC 柴油机基本情况介绍 Basic Introduction of jiangling R425DOHC Engine

  4. R425 DOHC Engine Basic Engine Data 发动机基础参数 • Configuration 形式In-Line 4 • Displacement 排量2499 cc • Bore × Stroke缸径×行程92mm x 94 mm • Max power @4000 rpm 105 kW (143 HP)±5％ 最大功率 / 4000 rpm • Max Peak Torque @ 2000 rpm) 340 Nm±5％ 最大扭矩/ 2000 rpm • Combustion System 燃烧系统Direct Injection 直接喷射 • Compression Ratio 压缩比 17.5 : 1 • Specific power升功率 42KW/liter • Min BSFC最小燃油消耗率 205g/KWh • Air Induction Turbocharged / intercooler 进气方式 增压 / 中冷 • Block 气缸体Cast Iron 铸铁 • Cylinder Head One piece, in aluminium 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EGR • Emissions 尾气排放水平EU. 3（具备EU4能力） • Injection System Electronically Controlled Common Rail, 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，4气门 / 气缸 • Dimensions （Base Engine)结构尺寸（基础发动机） • Length长710 mm • Width 宽630 mm • Height高 765mm • Weight (dry) 重量（净重）220 kg

  5. VM R425 DOHC 柴油机总成外形尺寸VM R425 DOHC Diesel Engine Assy. Dimensions Right view 右视 765 710 630 Front view 前视 Back view 后视

  6. 性能卓越的高速直喷柴油机State-of-the-Art HSDI Engine • 噪声低 Low noise • 比功率高 High power • R425 DOHC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。 R425 DOHC is TCI Diesel Engine, The power is 42kW/L. • 大扭矩 High Torque • 外特性最大扭矩为340N·m,有利于整车的加速性及操纵性。 The peak torque is 340Nm, satisfied with the vehicle’s acceleration and the driveability is perfect • 低油耗 • 外特性最低油耗实测230g/(kW·h)，最低工况点油耗195 g/KW.H，具有优秀的经济性. The min. fuel consumption is 230g/(kWh) in the Full Throttle Performance test. Min. fuel consumption is 195g/(kW·h), with high economy • 低排放 Low Emission • 达到欧三排放并具备欧四能力 Euro Ⅳ capability

  7. R425DOHC Specifications and Technical Data 说明书和技术参数

  8. Cast iron crankcase and wet liners铸铁湿式缸套 • Aluminum crankshaft supports铝制轴承座 • Aluminum cylinder head铝制缸盖 • Gallery cooled pistons内冷式活塞 • 4 valves per cylinder with double overhead camshaft4气门双顶置凸轮轴 • Finger follower actuated valves with hydraulic adjusters • Central vertical injector position喷油器中央垂直布置 • Common rail injection system共轨喷射系统 • Belt-driven camshaft and injection pump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 • Balance shafts (available)平衡轴（可选） • Cooled EGR中冷EGR R 425DOHC

  9. R 425DOHC DCharacteristics 性能指标 Engine rpm range: 发动机转速范围750 – 4800 rpm Oil consumption: 机油耗  0. 22 g/kWhr Fuel consumption: 燃油耗215 g/kWhr @ peak torque 256 g/kWhr @ max. power Blow-by: 漏气量40 L/1’ @ max. power Cold startability: 低温启动性能5 sec. @ -20°C (10W oil) 6 sec. @ -25°C (0W/5W oil)

  10. R 425DOHC Fuel Injection System 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1350 bar. • ECU: EDC 16 • 电控单元：EDC 16 • Low Pressure Pump: not needed • 低压泵：不需要

  11. Components 部件

  12. R425DOHC Cylinder Head 气缸盖

  13. R425DOHCCylinder Head + Valves 气缸盖+气门组

  14. R425DOHCCylinder Head + Vertical Injectors

  15. R425DOHCCylinder Head + Valve Train

  16. R425DOHCValve Train 气门传动机构

  17. R425DOHCPorts 气道

  18. R425DOHCHead Cover 气缸盖罩

  19. R425DOHCIntake Manifold 进气歧管

  20. R425DOHCInjection System 喷射系统

  21. R425DOHC Block 气缸体

  22. R425DOHC Block 气缸体

  23. R425DOHCCrankshaft and Con. Rod Assy

  24. R425DOHCBalance Shaft Drive 平衡轴传动

  25. R425DOHCTiming Drive 正时传动

  26. R425DOHCBelt Cover 皮带罩壳

  27. R425DOHCExploded View 分解视图

  28. Transparent View 透视图

  29. Partial Assembly 部装图

  30. Crankshaft 曲轴

  31. Crankshaft 曲轴

  32. Crankshaft 曲轴

  33. EGR Layout EGR布局图

  34. 谢 谢Thank you

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