本文分析了现有振动方法在柴油机故障诊断研究和实际应用方面存在的问题,提出了基于振动产生和传播机理的诊断研究方法,介绍了基于这种方法的活塞-缸套磨损和滑动主轴承磨损故障振动诊断机理的理论分析和试验研究结果,提出了一种新的振动诊断法。

-This paper analyzes the existing method of Diesel Engine Vibration Fault Diagnosis and problems in practical applications is proposed based on the generation and propagation mechanism vibration diagnostic methods, introduction of this method based on the piston- cylinder liner wear and sliding Zhu bearing wear Mechanism Fault Diagnosis of theoretical analysis and experimental results, a new vibration diagnostics.