Aemission spectrometer, micro-hardometer, optical microscope and scanning electron microscope were used to analyze the reason of crack on connecting rod unit assembly for piston of car engine.
采用直读光谱仪、显微硬度机、光学显微镜和扫描电子显微镜等分析手段,对失效的汽车发动机活塞连杆总成断裂原因进行了分析。
The FEM for the assembly parts of piston, gudgeon pin and small-end of connecting rod is constructed to investigate a diesel engine piston with an oscillating-oil-cooling channel.
针对某增压柴油机振荡冷却油腔活塞的非对称结构,建立全活塞活塞销连杆小头的有限元模型;提出了振荡冷却油腔的第三类热边界条件的数学描述并进行了验证;
The test results show that the improved and newly designed piston assembly meets the requirements of TJ376Q gasoline engine.
试验结果表明经改进设计的活塞满足TJ 376 Q汽油机的性能要求。
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