东风康明斯培训课件.doc

一、东风B系列发动机概述

The ruler of the Dongfeng Cummins engine model.

The main connects on the nameplate of the engine

Parameter

Structure features
1. 发动机型号规则The ruler of the engine model
6 B T A -------125

Horsepower 功率
Displacement排量
Middle cooler 中冷
Turbo enlarge pressure涡轮增压
Series序列号
Amount of the cylinder缸数
main connects on the nameplate of the engine
发动机型号 engine model
发动机序列号 engine series
CPL号(控制零件目录)catalog of the control parts
额定转速和额定功率 rate power and rate speed
进排气门间隙 the clearance of the air valve
喷油器调整参数 the adjusting parameter of the injection
点火顺序 the row about burning
3. 基本结构形式和排量
直列、水冷、直喷式、四冲程 In-line, water cooler, direct injection, four strokes.
Cylinder diameter is 114mm and the stroke is 135mm. 缸径*行程
Displacement
Main parameter主要参数
Rate power 118KW, Top torque ,Lowest oil consumption: 215g/
dry weight 399kg
Structure features:
(1). Design some parts into whole.
The case of the water pump
The gear of engine oil pump
The air pipe of intake
The cooler of the engine oil
(2).发动机四不镶
不镶缸套Don’t border the cover of the cylinder
不镶气门导管Don’t border the conduit of the valve
不镶气门座圈Don’t border the seat ring of the valve
不镶凸轮衬套(第一道除外)Don’t border the cover of the cam(besides the first time)
Don’t border the cover of the cylinder don’t border the cover of the cam
Don’t border the conduit and the seat ring of the valve
(3) Use the alumina parts so the weight is light.
(4) Reduce the amount of the parts and style.
二、结构图片Some pictures of the engine.

Front gear box前齿箱
包括曲轴齿轮、机油泵齿轮、惰轮、凸轮轴齿轮、燃油泵齿轮、附件驱动齿轮(空压机和转向油泵公用一个齿轮。)
There are six gears.
The gear of KW Crankshaft, the gear for engine oil pimp, the idle gear, the gear of cam, the gear for fuel pump, and the gear for extra equips.
进排气系统
The intake and exhaust process,
Air------filter-----filter pipe---- cylinder----- exhaust------turbo cha