轴承的失效分析 毕业论文

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1、轴承的失效分析一、设计（论文）的原始依据：运用所学的机械设计基础课程的理论，以及有关先修课程的知识完成《轴承失效分析》毕业设计课程。二、设计内容和要求：1.了解机械设计的过程；2.了解零件失效分析理论和方法；3.培养独立分析问题和解决问题的能力；4.培养撰写论文的能力。-12-主题：轴承的失效分析目录：摘要················································–6–关键词··············································–6–滚动轴承的基本特点·····························

2、····–7–1.优点··············································–7–2.缺点··············································–7–滚动轴承的分类·····································–7–1.按滚动轴承结构类型分类··························–7–-12-2.按滚动轴承尺寸大小分类··························–8–滚动轴承类型的选择··································–9–1

3、.载荷的大小、方向和性质···························–9–2.允许转速·········································–9–3.刚性·············································–9–4.调心性能和安装误差······························–9–5.安装和拆卸·······································–9–6.市场性···········································–10–滚动轴承的代

4、号·····································–10–1.基本代号··········································–10–轴承失效分析方法····································–10–1.失效实物和背景材料的收集··························–10–2.宏观检查··········································–11–3.微观分析··········································–12–-12-滚

5、动轴承故障的振动信号分析诊断方法··················–12–1.滚动轴承故障的简易诊断法··························–12–2.滚动轴承故障的精密诊断法··························–13–谢词·················································–13–参考文献·············································–13–摘要：　将运转的轴与轴座之间的滑动摩擦变为滚动摩擦，从而减少摩擦损失的一种精密的机械元件，叫滚动轴承（rollingbea

6、ring）。滚动轴承一般由外圈，内圈，滚动体和保持架组成。其中内圈的作用是与轴相配合并与轴一起旋转，外圈作用是与轴承座相配合，起支撑作用，滚动体是借助于保持架均匀的将滚动体分布在内圈和外圈之间，其形状大小和数量直接影响着滚动轴承的使用性能和寿命，保持架能使滚动体均匀分布，防止滚动体脱落，引导滚动体旋转起润滑作用。在分析轴承失效的过程中，往往会碰到许多错综复杂的现象，各种实验结果可能是相互矛盾或者主次不清，这就需要经过反复实验、论证，以获得足够的证据或反证。只有运用正确的分析方法、程序、步骤，才能找到引发失效的真正原因。一般情况下轴承失效分析大体可分为以下三个步骤：失效实物和背景资料的

7、收集、对失效实物的宏观检查和微观分析。关键词：滚动轴承，磨机中空轴安装滚动轴承,滑动轴承，滚动轴承代号，滚动轴承类型的选择，失效实物和背景资料的收集,对失效实物的宏观检查,微观分析,滚动轴承的振动信号分析故障诊断方法。-12-　　将运转的轴与轴座之间的滑动摩擦变为滚动摩擦，从而减少摩擦损失的一种精密的机械元件，叫滚动轴承（rollingbearing）。滚动轴承一般由外圈，内圈，滚动体和保持架组成。其中内圈的作用是与轴相配合并与轴一起旋转，外圈作用是与轴承