发动机油性能随行驶里程的变化研究  

Research on the Variation of Engine Oil Performance with Mileage

作　　者：邓华权 方海滨 覃英毅 杨金华 王力彪 DENG Hua-quan;FANG Hai-bin;QIN Ying-yi;YANG Jin-hua;WANG Li-biao(Zhuhai Makhop Technology Co.,Ltd.,Zhuhai,Guangdong 519000,China)

机构地区：[1]珠海美合科技股份有限公司,广东珠海519000

出　　处：《润滑油》2024年第1期48-53,共6页Lubricating Oil

摘　　要：发动机油被喻为发动机的“血液”,对发动机的使用寿命至关重要。随着行驶里程的增加,发动机油的性能、理化参数会逐渐变化,影响发动机的相关性能。通过行车试验,获得了全合成汽油发动机油ACEA C35W-30在不同里程下的样品。通过对样品运动黏度、总碱值、低温泵送黏度、酸值、氧化度、硝化度、四球试验、元素分析等性能进行分析,得到了各理化性能随行驶里程的变化趋势,对油品的换油周期具有一定的指导意义。Engine oil is known as the“blood”of the engine and is crucial for the engine's lifespan.As the mileage increases,the per-formance and physicochemical parameters of the engine oil gradually change,affecting the engine's related performance.Through driving experiments,samples of fully synthetic gasoline engine oil ACEA C35W-30 were obtained at different mileages.By analyzing the per-formance such as kinematic viscosity,TBN,MRV,acid value,oxidation value,nitration value,four-ball test,and elemental analysis of the samples,the changing trends of each physicochemical performance with mileage were obtained,providing certain guidance for the oil change cycle.

关 键 词：发动机油 性能衰减 换油周期 

分 类 号：TE626.3[石油与天然气工程—油气加工工程]