摘要激光超声检测技术是一种新兴无损检测方法，具有非接触、宽频带、波形丰富、分辨率高、能在恶劣环境下正常工作等优点，适用于金属材料的缺陷检测和材料力学性能的在线检测等，是无损检测领域的热门技术之一。本文的工作是对激光超声检测装置进行设计研究，主要内容有：首先在了解激光超声检测装置的基本检测原理之后，对激光超声检测在实际应用中的相关要求和国内外现有检测装置的局限性进行分析，提出了一种新的设计方案：利用多轴运动控制器和双转头实现激光超声检测装置的5轴同时测量。然后对激光超声检测装置的各零部件的材料和尺寸以及运动控制装置作具体设计，并利用Inventor进行装置的三维建模和重要零部件的刚度和强度分析，以确定所设计的零部件可以达到使用要求。之后选择装置的驱动装置并编写驱动部分的控制程序。最后对西安金波检测仪器公司产品测得的相关数据进行分析，数图结合，简单直观的介绍了激光超声检测装置的测量方式和数据处理方法。本文的设计研究为激光超声检测装置的应用发展提供了一种思路。关键词：激光超声：多轴运动控制器；Inventor;编程控制激光超声检测装置设计Design of Laser Ultrasonic Testing DeviceAbstractLaser ultrasonic detection technology is a new non-destructive testing method,withnon-contact,wide band,rich waveform,high resolution,great adaptability,etc.,becoming oneof the popular technologies in the field of nondestructive testing.This technology is suitablefor the detection of metal materials and the on-line detection of mechanical properties ofmaterials.The work of this paper is the laser ultrasonic detection device design research,the maincontents are:Firstly,after understanding the basic detection principle of laser ultrasonic detectiondevice,this paper analyzes the relevant requirements of laser ultrasonic detection in practicalapplication and the limitations of existing detection devices,and then proposes a new designscheme:Achieve a 5-axis simultaneous measurement of the laser ultrasonic inspection deviceby the controller and the double head.Secondly,this article designs the specific of the device,including the selection of thematerial and size of each component of the laser ultrasonic inspection device and a motioncontrol devicethe,then carries out the three-dimensional modeling of the device and analysisthe stiffness and strength of important parts,to determine the design of the components canmeet the requirements.After which the driving means of the apparatus is selected and acontrol program of the driving section is programming.Finally,this paper analyzes the data of the products measured by Xi'an Jinbo DetectionInstrument Company,and introduces the measurement method and data processing method oflaser ultrasonic detection device with data and graphics,simple and intuitive.The design of this paper provides a way for the development of laser ultrasonic detectiondevice.Key Words:Laser Ultrasonic;Multi -axis motion controller;Inventor;ProgrammingcontrolII-激光超声检测装置设计目录摘要Abstract.…引21.1课题的研究背景与意义…21.2国内外发展现状1.3论文的主要研究工作及安排…2激光超声检测技术的基本原理及其应用要求分析2.1激光超声检测技术的基本原理.72.1.1激光超声的激发2.1.2超声波的接收方法…82.1.3激发产生的超声波的基本性质2.2激光超声检测装置的应用要求分析.3激光超声检测装置的设计…3.1检测装置设计方案.3.2检测装置部件的设计选择.3.2.1激光器运动控制部件设计…3.2.2运动形式的分析选型183.2.3承重梁的设计…203.2.4其他部分设计…213.3 Inventor建模及结构应力分析..223.4驱动部分设计…243.4.1伺服电机的选用….253.4.2控制器编程控制…3.5去噪方法.273.6本章小结.274激光超声检测实验数据的分析…4.1激光超声检测实验系统284.2实验数据分析…29结论…参考文献35III