机械故障诊断的发展现状与前景精讲.docVIP

12机制二班 1202315072 《机械故障诊断技术》读书报告 MAO pei-gang 南阳理工机械与汽车工程学院 473004 动平衡诊断案例分析综述 Diagnosis of dynamic balance Case Analysis were Review 摘要 简要阐述组动平衡故障诊断中所使用的现代测试与分析技术。通过五个动不平衡故障的诊断与处理实例，指出了波德图、频谱图等现代分析技术对于组动平衡故障诊断的价值和意义；总结了基于现代测试与分析技术的动平衡故障的主要特征。；验证了影响系数法对于动平衡故障处理的准确性及实用性。对于提高动平衡故障诊断的准确性及其精度具有推广和借鉴意义。 关键词：动平衡 故障诊断 振动分析 Abstract The modern measuring and analyzing technologies applied in the dynamic balance fault diagnoses are described briefly。In view of five dynamic unbalance fault diagnoses and treatments。the significance and purpose of the modern analyzing technologies such as Bode Plot，Spectrum Plot for the dynamic balance fault diagnoses are put forward，and its characteristics based on testing and analyzing technologies are summarized．The accuracy and practicability of the influence coefficient method for its treatment are proved．The instructions and experiences of improving the accuracy and precision of dynamic balance fault diagnoses are provided． Keywords:dynamic balance fault diagnosis vibration analysis 目录 TOC \o 1-3 \h \u  HYPERLINK \l _Toc29906 1信号分析方法 4  HYPERLINK \l _Toc22822 1.1频域分析方法 4  HYPERLINK \l _Toc18950 1.2频谱图分析方法 4  HYPERLINK \l _Toc4867 2故障实例 4  HYPERLINK \l _Toc17828 2.1案例一 4  HYPERLINK \l _Toc9128 2.1.1故障机器及故障分析 4  HYPERLINK \l _Toc3028 2.1.2机组动平衡故障的现场处理 6  HYPERLINK \l _Toc24793 2.1.3分析结论 6  HYPERLINK \l _Toc15515 2.2案例二 7  HYPERLINK \l _Toc20113 2.2.1故障诊断分析 7  HYPERLINK \l _Toc18415 2.2.2现场动平衡校验 9  HYPERLINK \l _Toc12616 2.2.3分析结果验证 9  HYPERLINK \l _Toc2898 2.3案例三 10  HYPERLINK \l _Toc14239 2.3.1机组技术参数及测点布置 10  HYPERLINK \l _Toc19820 2.3.2 机组振动数据采集及故障分析 10  HYPERLINK \l _Toc7708 2.3.3处理结果 12  HYPERLINK \l _Toc3892 2.4案例四 12  HYPERLINK \l _Toc1569 2.4.1空压机电机振动监测和故障诊断 12  HYPERLINK \l _Toc10156 2.4.2安装平衡块试重及校正后效果 13  HYPERLINK \l _Toc16710 2.5案例五 13  HYPERLINK \l _Toc1598 3结束语 14  HYPERLI