Abstract : the structure and operating principle of triangulation probe are firstly briefly introduced in the paper . the analysis and derivation for the reflection property of metal surface are carried out . several existed problems and solving schemes for measuring metal surface with triangulation are proposed 文摘:首先简单介绍了三角法测头的结构和工作原理，对金属表面的反射特性进行了分析和推导，提出了三角法测量金属表面时存在的几个问题以及解决方案。
At the same time , for the equidistant surface in practical measurement , special search method is applied for automatic segmentation , so the normal vector of the data at arbitrary position of the space is solved , then radius compensation of probe is implement . so the return is realized from equidistant surface to real measurement surface 针对实际测量中得到的等距曲面,采用空间搜索的方法对数据点分块,求取了任意测量点法矢,提出了测头半径的补偿方案,从而实现了由空间等距曲面到被测曲面的复原。
On the ssk - u6035 five axis machining center , the application of touch trigger probe ( renishaw mp10 work - piece probe ) system and the corresponding inspection automatic programming system can realize integration of on - line positioning , measurement , data processing , error emendation into machining , which improve productivity of machining center and machining precision of workpiece greatly and reduce defective index 摘要在ssk - u6035五轴加工中心上，利用触发式测头（英国雷尼绍的mp10工件测头）系统和相应的检测自动编程系统实现牙掌在线定位、测量、数据处理、误差校正控制和加工一体化，大大提高了加工中心利用率和工件加工精度，降低了废品率。
Abstract : the new method of real - time seperation of the rotary errors of axis system with three sensors synchronously in the same position , which is put forward in this paper , can seperate both of system and random errors during the measuring process and inprove the measurement accuracy several times or more 文摘:本文提出的三测头同方位同步测量实时分离轴系回转误差的新方法，能在一次测量过程中将轴系回转误差的系统误差和随机误差一并分离，可提高测量准确度几倍至几十倍。
First , the wheelset is fixed and rotated by the device used hi vehicle depot as usual . second , the center line of wheelset axis is determined by a device called axis - center probe . last , the acting device for sensor can draw a whole felloe profile , which is made up of parallel - pole device and rotating - probe 鉴于此，本文给出了一种全新的测量方案：采用车辆段普遍使用的转轮器实现被测轮对的定位；采用车轴基准探尺测定被测轮对的轴线；采用并联式伸缩机构和旋转测头作为传感器的执行机构，测定轮辋断面的轮廓线。
Therefore , this paper is based on making a new type of non - contact probe . the following work has been done in this project : ( 1 ) discussed the principle of form measurement by triangulation and put forward the problems of non - contact measurement now ; ( 2 ) find out ways to solve the problems ; ( 3 ) designed the optical paths and the parameters of probe ; ( 4 ) designed probe " s mechanical structure and made a program for image processing ; ( 5 ) designed a system to test the performance of this probe 主要工作包括以下几个方面： ( 1 )分析激光三角法测量的原理，提出目前三角法测头存在的问题； ( 2 )针对三角法测头进行非接触测量时存在的问题，找到解决方法； ( 3 )对测头的光路和结构参数进行设计计算； ( 4 )测头机械结构设计以及图像处理编程； ( 5 )设计了一套实验系统，对测头的性能进行了实验及分析。
To solve this difficult problem , this paper presents an innovated digital matching machining method , which integrates many techniques such as curved surface automatic tracking , data acquisition , mathematical analysis , cnc and digitizing . a new algorithm is introduced to track and sample a large - scale rotary surface with the use of three - dimensional scanning probes 研究了蒙皮内表面的数字化采集技术，提出了采用三维扫描测头进行大型不规则回转面自动跟踪测量的控制算法及密集数据采集方法；研究了蜂窝夹芯表面的数字化加工技术，提出了以回转轴为基准的随动控制插补方法。
One thick necks ’ thickness measuring instrument with high precise and high efficiency is researched in this dissertation . one special flexible hinge gauge head is designed , differential solenoid inductance displacement sensor is chosen and modern micro - processing technology is used to meet the demand of measuring accuracy 本文通过设计一种专用柔性铰链测头,采用差动式螺管型电感位移传感器并结合现代微处理技术,对挠性接头细颈厚度的高精度高效率测量装置进行了研究。
The contacting measurement method with a double probe is put forward after the detailed analysis of the state - of - the - art measuring methods of the thickness of wall . firstly , the theory - profile generatrix is built , and then the movement curve of the track of joint center is constructed , which aims at making the joint center move along the movement curve and keep the fixed sensor touching the wall . the measuring sensor examines the line in its normal direction of the interior wall all the time , the data from the sensor is the thickness value of the wall 论文通过分析国内外变曲率回转体壁厚测量的现状,提出了双测头接触式测量方案:通过构造理论轮廓母线,建立铰链中心的运动曲线,使铰链中心始终沿运动曲线运动,以保证固定触头与传感器测头的连线始终在内壁法线方向上,从而传感器测头所得的数值即为壁厚值,该方案经模拟测试实验取得了预期效果。
The research results include the follows : present some rules for selecting measuring method according to the characteristics of product , study some problems in data preprocessing such as noise removing , probe radius compensation , edge data extracting , sun - regions merging , and local data mending or re - sampling etc . to ensure the part cad models being built and assembled accurately at dimension and shape in re modeling application , three kinds of model modifying techniques are presented such as model - based modifying , drawing - based modifying and physical model - based modifying 这些问题包括：根据产品表面形状及建模方法，提出了一些选择测量方法的原则；研究了消除测量数据噪声信号、 cmm测头半径补偿、测量数据边界处理、测量数据块拼合、数据补缺与补测等测量数据预处理问题。为了解决复杂外形产品re建模经常遇到的零件cad模型配合问题与尺寸精度、形状精度问题，作者研究了基于cad模型的修正、基于零件图样的修正、基于物理模型的修正等三种模型修正技术。
