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差动式彩色共聚焦粗糙度评定系统及实验研究

邹景武 余卿 程方

邹景武, 余卿, 程方. 差动式彩色共聚焦粗糙度评定系统及实验研究[J]. 中国光学(中英文), 2020, 13(5): 1103-1114. doi: 10.37188/CO.2020-0029
引用本文: 邹景武, 余卿, 程方. 差动式彩色共聚焦粗糙度评定系统及实验研究[J]. 中国光学(中英文), 2020, 13(5): 1103-1114. doi: 10.37188/CO.2020-0029
ZOU Jing-wu, YU Qing, CHENG Fang. Differential chromatic confocal roughness evaluation system and experimental research[J]. Chinese Optics, 2020, 13(5): 1103-1114. doi: 10.37188/CO.2020-0029
Citation: ZOU Jing-wu, YU Qing, CHENG Fang. Differential chromatic confocal roughness evaluation system and experimental research[J]. Chinese Optics, 2020, 13(5): 1103-1114. doi: 10.37188/CO.2020-0029

差动式彩色共聚焦粗糙度评定系统及实验研究

doi: 10.37188/CO.2020-0029
基金项目: 国家自然科学基金资助项目(No. 51505162);福建省对外合作项目(No. 2019I0013);福建省杰青基金项目(No. 2018J06014);华侨大学研究生科研创新基金资助项目(No. 18013080065)
详细信息
    作者简介:

    邹景武(1996—),男,福建南平人,硕士研究生,2018年于华侨大学获得学士学位,主要从事光电检测及微纳米测量技术方面的研究。E-mail:zoujingwu96@163.com

    余 卿(1983—),男,江西赣州人,博士,副教授,2005年、2011年于合肥工业大学分别获得学士、博士学位,2017年于上海理工大学光学工程博士后流动站出站,主要从事光电检测、精密机械设计方面的研究。E-mail:yuqing@hqu.edu.cn

    程 方(1981—),男,安徽芜湖人,博士,华侨大学特聘教授,科技部“国家高端境外专家”、福建省“闽江学者”讲座教授。2003年、2006年、2010年于合肥工业大学分别获得学士、硕士、博士学位,2013年于新加坡南洋理工大学计量实验室博士后流动站出站,主要从事计量学、机器视觉和无损检测等方面的研究。E-mail:chengfang@hqu.edu.cn

  • 中图分类号: TH711;TH741

Differential chromatic confocal roughness evaluation system and experimental research

Funds: Supported by National Natural Science Foundation of China (No. 51505162); Foreign Cooperation Projects of Fujian, China (No.2019I0013); Excellent Outstanding Youth Foundation of Fujian Province of China (No. 2018J06014); Subsidized Project for Postgraduates’ Innovative Fund in Scientific Research of Huaqiao University (No. 18013080065)
More Information
  • 摘要: 为了满足大范围表面粗糙度测量评定的需求,本文介绍了一种基于彩色共聚焦传感器的差动式非接触测量评定系统和方法。在所提出的系统中,两个彩色共聚焦传感器和一个光学平晶构成差动式测量系统,并通过球头球窝连接方式与机械运动平台耦合。使用这种差动式结构可以补偿机械运动平台的直线度误差,并可以有效地提高测量评定精度。在此基础上,本文建立了表面粗糙度测量、误差补偿和测量性能评估的方法。为了验证所提出系统的性能,对标准高度台阶量块和粗糙度量块进行了测量评定实验。台阶高度的测量实验结果表明,在60 mm的行程范围内,所提出系统6次重复测量的标准偏差s为0.16 μm,相对标准偏差RSD为0.054%,机械运动平台的直线度误差得到了有效补偿;在测量粗糙度量块时,粗糙度参数RaRq的测量误差分别为0.032 μm和0.073 μm。所提出系统的粗糙度测量评定能力满足大多数工程应用的需求。

     

  • 图 1  彩色共聚焦技术原理图

    Figure 1.  CCM principle diagram

    图 2  粗糙度评定装置的结构示意图

    Figure 2.  Schematic diagram of the roughness measuring instrument

    图 3  装置的空间机构原理图

    Figure 3.  Schematic diagram of space structure of the device

    图 4  球头球窝连接方式示意图

    Figure 4.  Schematic diagram of ball-to-socket connection

    图 5  差动测量原理图

    Figure 5.  Schematic diagram of differential measurement

    图 6  数据处理流程图

    Figure 6.  Data processing flowchart

    图 7  粗糙度评定装置实物图

    Figure 7.  Physical map of roughness evaluation device

    图 8  粗糙度量块

    Figure 8.  Roughness gauge

    图 9  测头1测量结果

    Figure 9.  Roughness results detected by probe 1

    图 10  测头2测量结果

    Figure 10.  Roughness results detected by probe 2

    图 11  直线度误差实验的被测量块

    Figure 11.  Measured step gauge block used for straightness error experiment

    图 12  测头1的台阶测量结果

    Figure 12.  Step measurement results of probe 1

    图 13  测头2的台阶测量结果

    Figure 13.  Step measurement results of probe 2

    图 14  直线度误差修正前后对比结果

    Figure 14.  Comparison results before and after straightness error correction

    表  1  直线导轨选型表

    Table  1.   Linear guide types and corresponding parameters

    名 称型 号行 程/mm闭环分辨率/μm
    xy轴位移台卓立Uksa1001000.1
    z轴位移台卓立Ksa050501
    从动位移台THK VRU6210110
    下载: 导出CSV

    表  2  测头技术参数

    Table  2.   Probe's technical parameters

    名称量程/μm轴向分辨率/nm
    彩色共聚焦测量头110005
    彩色共聚焦测量头26003
    下载: 导出CSV

    表  3  粗糙度Ra对比数据(μm)

    Table  3.   Comparative data of Ra (μm)

    Mahr XR20本文评定装置
    样品Ra标准偏差sRa标准偏差s
    6.35.8100.0005775.8420.003971
    3.22.7280.0010002.7360.002338
    1.61.4710.0005771.4930.002317
    0.80.6220.0005770.5890.002251
    下载: 导出CSV

    表  4  Rq对比数据(μm)

    Table  4.   Comparative data of Rq (μm)

    Mahr XR20本文评定装置
    样品Rq标准偏差sRq标准偏差s
    6.36.7280.0005776.7530.006623
    3.23.2340.0010003.2380.003559
    1.61.7370.0005771.7460.001049
    0.80.7870.0005770.7140.000753
    下载: 导出CSV
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  • 收稿日期:  2020-03-02
  • 修回日期:  2020-04-08
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  • 刊出日期:  2020-10-01

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