Design of measurement system for inside and outside diameters of steel pipe

MEI Jian-chun; YE Qing; TIAN Jian-guo

doi:10.3788/OPE.20142204.0815

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Design of measurement system for inside and outside diameters of steel pipe

Modern Applied Optics | 更新时间：2020-08-13

- Design of measurement system for inside and outside diameters of steel pipe
- Optics and Precision Engineering Vol. 22, Issue 4, Pages: 815-821(2014)
- 作者机构：
  
  1. 南开大学现代应用技术研究院天津,300071
  2. 南开大学物理科学学院天津,300071
  3. 南开大学弱光非线性光子学教育部重点实验室天津,300071
- 作者简介：
- 基金信息：
- DOI：10.3788/OPE.20142204.0815
  CLC： TB92;TN247
- Received：27 June 2013，
  
  Revised：20 August 2013，
  
  Published：25 April 2014
- 稿件说明：
移动端阅览
梅剑春, 叶青, 田建国. 钢管管端内外径测量系统的设计与实现[J]. 光学精密工程, 2014,22(4): 815-821

MEI Jian-chun, YE Qing, TIAN Jian-guo. Design of measurement system for inside and outside diameters of steel pipe[J]. Editorial Office of Optics and Precision Engineering, 2014,22(4): 815-821
梅剑春, 叶青, 田建国. 钢管管端内外径测量系统的设计与实现[J]. 光学精密工程, 2014,22(4): 815-821 DOI： 10.3788/OPE.20142204.0815.

MEI Jian-chun, YE Qing, TIAN Jian-guo. Design of measurement system for inside and outside diameters of steel pipe[J]. Editorial Office of Optics and Precision Engineering, 2014,22(4): 815-821 DOI： 10.3788/OPE.20142204.0815.

摘要

为了实现对钢管管端内外径、不圆度的自动化非接触快速测量，设计并实现了一种钢管管端内外径测量系统。该系统利用转台带动激光三角法位移传感器绕钢管中轴线转动的方法来测量管端截面整个圆周的外径和内径尺寸，然后利用圆心拟合算法修正转台中轴线与钢管中轴线不重合带来的误差。通过平移台自动调整测量截面与管端的距离，大型升降台调节管心对齐高度，双臂平移台调节可测量管径范围，自动实现对不同管径钢管的非接触测量。实验结果表明：系统测量精度小于0.05 mm；重复性限小于等于5

m；每个管端截面测量500个点时，测量时间小于25 s。设计的系统具有精度高、操作简便、测量速度快的优点，满足无缝钢管生产在线检测的要求，并已经在天津天管元通管材制品有限公司通过离线测试。

Abstract

To realize automatic non-contact measurement for the inside diameter

outside diameter and the out-of-round of a steel pipe end

a measurement system for inside and outside diameters of the steel pipe was designed. Two laser optical triangulation sensors were used to perform full scans of the inside and outside diameters as they rotated around the pipe ends. Then a fitting algorithm was taken to reduce errors brought by the misalignment between rotary axis and steel pipe axis. Moreover

the distance between measured cross section and pipe end was adjusted by motorized translation stages fixed on the sensor

the aligning height of pipe center was adjusted by a lifter and the measurable pipe diameter was controlled with a two-aim translation stage

so that the measurement of steel pipes with different specifications could be implemented by the non-contacted method. Experimental results indicate that the measurement accuracy of the system is less than 0.05 mm; repeatability limit is less than or equal to 5

m. When 500 points are sampled per pipe end

the measurement process lasts less than 25 s. which can fully meet the requirements of seamless steel pipe production enterprises. With advantages of high precision

easy operation and rapid speed

the system has passed the off-line test in Tian Guan Yuan Tong pipe products Co.

Ltd.

Tianjin.

关键词

Keywords

references

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