180型柴油机活塞和活塞环的设计与试验

Design and Experiment of Piston and Ring for Model 180 Diesel Engine

采用中凸桶面活塞且其顶部内腔设置冷却油道和收口倾角为2 0°的ω形燃烧室以及单槽双片活塞环等结构设计使 1

Utilizing structure designs of middle convex bucket piston with a cooling oil channel under piston top,an “ω” combustion chamber with 20° inclination and double rings embedded in single ring groove,the performance of Model 180 Diesel Engine is improved evidently.