基于水浸聚焦超声的轴承套圈缺陷检测仿真
Simulation Analysis Of Bearing Ring Defect Detection Based on Water-Immersed Focused Ultrasound
高琪 1史慧楠 2张凯胜 2郑慧峰1
作者信息
- 1. 中国计量大学,浙江 杭州 310018
- 2. 中国航发哈尔滨轴承有限公司,黑龙江 哈尔滨 150500
- 折叠
摘要
工业上常使用水浸聚焦超声技术对轴承套圈进行缺陷检测,而聚焦探头频率、水层厚度、缺陷位置等因素均会对检测效果造成影响,故基于有限元法对此类影响因素进行仿真研究,模拟在不同探头频率、水层厚度、缺陷位置条件下对轴承套圈进行水浸聚焦超声检测,并通过采集缺陷回波信号来分析它们对于检测效果的影响,得到结论:探头频率应符合能检出的缺陷最小尺寸要求,水层厚度的设置应满足工件底波位于二次界面波之前,当缺陷位置处于焦域时检测效果最好.
Abstract
In the industry,water immersion focused ultrasonic technology is often used to detect the defects of bearing rings.Factors such as focusing probe frequency,water layer thickness,and defect location will affect the de-tection effect.Therefore,based on the finite element method,simulation research is conducted on such influencing fac-tors to simulate water immersion focused ultrasonic testing of bearing rings under the conditions of different probe fre-quencies,water layer thickness,and defect location.Collecting defect echo signals to analyze their impact on the de-tection effect,it is concluded that the probe frequency should meet the requirements for the minimum size of defects that can be detected,and the water layer thickness should be set to ensure that the detection effect is best when the bottom wave of the bearing is in front of the secondary interface wave and the defect position is in the focus area.
关键词
有限元仿真/聚焦超声/轴承套圈/缺陷检测Key words
Finite element simulation/Focused ultrasound/Bearing ring/Defect detection引用本文复制引用
基金项目
浙江省重点研发计划(2022C01002)
湖南省自然科学基金项目(2023JJ50237)
出版年
2024
NETL
NSTL
万方数据