• CN:11-2187/TH
  • ISSN:0577-6686

机械工程学报 ›› 2019, Vol. 55 ›› Issue (20): 107-115.doi: 10.3901/JME.2019.20.107

• 仪器科学与技术 • 上一篇    

基于轮廓法的金刚石线锯整周三维表面形貌测量和评价

李振宇1,2, 崔长彩1,3, 黄辉1,3, 徐西鹏1,3   

  1. 1. 华侨大学制造工程研究院 厦门 361021;
    2. 集美大学轮机工程学院 厦门 361021;
    3. 福建省脆性材料智能制造技术工程研究中心 厦门 361201
  • 收稿日期:2018-12-20 修回日期:2019-06-05 发布日期:2020-01-07
  • 通讯作者: 崔长彩(通信作者),女,1972年出生,博士,教授,博士研究生导师。主要研究方向为几何量精密测量技术,优化算法理论与应用。E-mail:cuichc@hqu.edu.cn
  • 作者简介:李振宇,男,1977年出生,博士研究生。主要研究方向为精密仪器测量技术。E-mail:lzy_2002cn@163.com
  • 基金资助:
    国家自然科学基金"促进海峡两岸科技合作联合基金"资助项目(U1805251)。

Measurement and Evaluation of Full Circumferential Three-dimensional Surface Topography of Diamond Wire Saw Based on Contour Method

LI Zhenyu1,2, CUI Changcai1,3, HUANG Hui1,3, XU Xipeng1,3   

  1. 1. Institute of Manufacturing Engineering, Huaqiao University, Xiamen 361021;
    2. School of Marine Engineering, Jimei University, Xiamen 361021;
    3. Fujian Engineering and Research Center of Brittle Materials Intelligent Manufacturing, Xiamen 361021
  • Received:2018-12-20 Revised:2019-06-05 Published:2020-01-07

摘要: 针对毫米级尺度线径和微米级尺度磨粒的金刚石线锯整周三维表面形貌测量难以实现与定量评价问题,提出一种基于轮廓法的圆周扫描表面磨粒形貌测量与分析方法。通过显微测量系统沿周向扫描采集金刚石线锯对应的边缘轮廓图像序列,经图像处理后获得金刚石线锯整个圆周表面形貌的坐标点云,采用三次样条插值法对数据进行平滑处理,经圆柱坐标变换处理,可重构金刚石线锯三维表面形貌。在金刚石线锯常用评价参数基础上,提出基于扫描过程二维投影轮廓和三维重构形貌的综合评价参数。采用自行研制的测量系统,对两个规格的线锯(线径外径分别为0.250 mm、0.320 mm;磨粒粒径范围30~40 μm)进行测量和评价。试验结果表明:该方法无需多次拼接,就可完成金刚石线锯整周三维微观形貌测量,并能实现对线锯特征参数的全面评价,可为线锯本身制造及使用过程中的工艺优化提供更加客观的基础数据。

关键词: 金刚石线锯, 表面形貌, 轮廓法, 测量评价

Abstract: Aiming at measuring and quantitatively evaluating the full circumferential three-dimensional surface topography of millimetric scale diamond wire saw and micro scale abrasive, a surface circumferential scanning method based on microscopic images contours is proposed. First, Point cloud data is obtained by processing sequential scanning microscopic contour images of diamond wire saw. Then the spatial coordinates of point cloud data are obtained, and three-dimensional surface topography are reconstructed by using cubic spline interpolation and coordinate transformation. Besides the common evaluation parameters of diamond wire saw, more evaluation parameters are defined on the basis of the 2D projection contours and 3Dreconstructed surface topography. Based on the self-developed measurement system, two wire saws (diameters 0.250 mm and 0.320 mm; grains diameter in the range of 30-40 μm) are measured and evaluated. Experimental results indicate that the proposed method can be used to measure the full circumferential three-dimensional surface topography of diamond wire saw without multiple stitching, and comprehensively evaluate wire saws using the characteristic parameters, which provide useful objective basic data for the manufacturing and the process optimization of wire saws.

Key words: diamond wire saw, surface topography, contour measurement method, evaluation

中图分类号: