基于分析模型和形态学分析的本地轴承缺陷大小的强大的混合估计方法
Zepeng Ma1, Lei Fu1, Dapeng Tan1
1College of Mechanical Engineering, Zhejiang University of Technology, Hangzhou 310023, China.
ISA transactions
|December 8, 2024
概括
本研究引入了一种混合方法,用于精确估计轴承缺陷大小,改进了传统技术. 新方法使用振动分析和分析模型准确识别缺陷尺寸.
科学领域:
- 机械工程 机械工程
- 振动分析 振动分析
- 轴承诊断仪 轴承诊断仪 轴承诊断仪
背景情况:
- 传统的轴承缺陷估计方法经常存在不准确性.
- 基于峰值的方法在精确的缺陷大小确定方面扎.
研究的目的:
- 为准确估计轴承缺陷大小开发一种强大的混合方法.
- 解决现有的基于峰值的缺陷检测技术的局限性.
主要方法:
- 开发一个空间接触分析模型来模拟滚子-缺陷相互作用.
- 将形态分析与振动特征和几何数据相结合.
- 对接触变形,力和振动反应模式的分析.
主要成果:
- 辐射缺陷大小显著影响双脉冲间隔,以准确估计.
- 轴性缺陷大小对估计准确度的影响最小.
- 缺陷的入口和出口点与特定的振动峰值 (低频和高频) 相相关.
结论:
- 混合方法在轴承缺陷大小估计中实现了高精度,最小误差为0.03%.
- 该模型在轴承状况监测和诊断方面具有显著的实际价值.
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