杨林   

山东科技职业学院；

【摘要】 本文就由R105系列柴油机经扩缸、加长行程为R108A系列柴油机的研制开发过程作了介绍,较为详细的说明了零部件的结构设计及整机的性能和可靠性。

【关键词】 柴油机； 扩缸； 加长行程； 结构设计； 性能； 可靠性； 

【Abstract】 This paper introduces the process that R108Aseries(known as the R4108A,R6108Amodel) is developed by enlarging cylinder diameter and stroke of R105 series diesel engine,and describes in details on the structural design to spare parts and the engine performance and reliability. 

【Key words】 Diesel Engine； Enlargement of Cylinder and Stroke； 

Structural Design； Performance； Reliability； Successful Development；