Research on Straightness Detection System for Shaft Parts

XU Hongtu; ZHANG Qi; LUO Wei; TIAN Tiantai; LI Wenhao; WANG Jucun

doi:10.16080/j.issn1671-833x.2021.23/24.051

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Research on Straightness Detection System for Shaft Parts

更新时间：2025-10-30

- Research on Straightness Detection System for Shaft Parts
- Aeronautical Manufacturing Technology Vol. 64, Issue 23/24, (2021)
- 作者机构：
  
  1. 西安交通大学,西安,710049
  2. 中国航发南方工业有限公司,株洲,412002
- 作者简介：
- 基金信息：
- DOI：10.16080/j.issn1671-833x.2021.23/24.051
  CLC：
- Published：2021
- 稿件说明：
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徐宏图，张琦，罗伟，田天泰，李文浩，王聚存. 轴类零件直线度检测系统研究[J]. 航空制造技术, 2021, 64(23/24): 51-56. XU Hongtu,ZHANG Qi,LUO Wei,TIAN Tiantai,LI Wenhao,WANG Jucun . Research on Straightness Detection System for Shaft Parts. Aeronautical Manufacturing Technology, 2021, 64(23/24): 51-56.

XU Hongtu, ZHANG Qi, LUO Wei, et al. Research on Straightness Detection System for Shaft Parts[J]. Aeronautical Manufacturing Technology, 2021, 64(23/24).
徐宏图，张琦，罗伟，田天泰，李文浩，王聚存. 轴类零件直线度检测系统研究[J]. 航空制造技术, 2021, 64(23/24): 51-56. XU Hongtu,ZHANG Qi,LUO Wei,TIAN Tiantai,LI Wenhao,WANG Jucun . Research on Straightness Detection System for Shaft Parts. Aeronautical Manufacturing Technology, 2021, 64(23/24): 51-56. DOI： 10.16080/j.issn1671-833x.2021.23/24.051.

XU Hongtu, ZHANG Qi, LUO Wei, et al. Research on Straightness Detection System for Shaft Parts[J]. Aeronautical Manufacturing Technology, 2021, 64(23/24). DOI： 10.16080/j.issn1671-833x.2021.23/24.051.

摘要

通过对现有轴类零件直线度检测方法的优缺点分析，提出一种新的非接触式直线度测量方法。该方法利用多个激光位移传感器离散化采集轴类零件多条母线上的点，基于最小二乘法计算每个截面的圆心坐标，拟合出零件实际轴线，从而判断零件直线度误差。基于上述方法，设计开发了一套直线度检测系统，通过测量精度研究和误差分析，控制系统检测精度在 0.1mm/m 以内。试验结果表明，直线度检测系统具有适用范围广、测量精度高、测量速度快，重复精度高等优点。

Abstract

By analyzing the advantages and disadvantages of the existing straightness detection methods of shaft parts

a new non-contact straightness measurement method is proposed. In this method

several laser displacement sensors are used to discretize the points on several generatrix of shaft parts. The center coordinate of each section is calculated based on the least square method

and the actual axis of the parts is fitted to judge the straightness error of the parts. Based on the above method

a straightness detection system was designed and developed. Through measurement accuracy research and error analysis

the measurement accuracy of the system was within 0.1mm/m. The experimental results show that the system has the advantages of wide application range

high measurement accuracy

fast measurement speed and high repeat accuracy.

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