Calibration of tool spindle for 5-axis CNC machine using laser tracker

LI Rui-Gang

doi:10.3788/OPE.20122003.0477

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Calibration of tool spindle for 5-axis CNC machine using laser tracker

Article | 更新时间：2020-08-12

- Calibration of tool spindle for 5-axis CNC machine using laser tracker
- Optics and Precision Engineering Vol. 20, Issue 3, Pages: 477-483(2012)
- 作者机构：
  
  中国科学院长春光学精密机械与物理研究所中国科学院光学系统先进制造技术重点实验室, 吉林长春 130033
- 作者简介：
- 基金信息：
- DOI：10.3788/OPE.20122003.0477
  CLC： TN249;TQ171.6+8
- Received：11 May 2011，
  
  Revised：21 June 2011，
  
  Published Online：22 March 2012，
  
  Published：22 March 2012
- 稿件说明：
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李锐钢. 基于激光跟踪仪标定五轴数控加工中心主轴[J]. 光学精密工程, 2012,(3): 477-483

LI Rui-Gang. Calibration of tool spindle for 5-axis CNC machine using laser tracker[J]. Editorial Office of Optics and Precision Engineering, 2012,(3): 477-483
李锐钢. 基于激光跟踪仪标定五轴数控加工中心主轴[J]. 光学精密工程, 2012,(3): 477-483 DOI： 10.3788/OPE.20122003.0477.

LI Rui-Gang. Calibration of tool spindle for 5-axis CNC machine using laser tracker[J]. Editorial Office of Optics and Precision Engineering, 2012,(3): 477-483 DOI： 10.3788/OPE.20122003.0477.

摘要

为了满足高精度加工大口径光学元件的需求

对原有的三轴机械加工中心上进行了一系列技术改造

从而实现了光学元件的五轴数控加工。介绍了三轴系统数控加工中心到五轴数控加工中心的改造过程

并提出了一种标定改造后主轴参数的方法。该方法运用高精度激光跟踪仪建立坐标系、采集数据

计算系统几何参数

由此对主轴的杆长、摆角等参数进行精确标定和精度分析。结果显示

角度量标定精度优于10.000

长度量标定精度优于0.040 mm。实验证实提出的方法对类似的工作具有普适性。

Abstract

To meet the requirements of large aperture optical elements for high precision manufacturing

a 3-axis Computer Numerical Control(CNC) milling machine was reconstructed into a 5-axis CNC one to implement the hardware improvement. The reconstructing process from the 3-axis machine to the 5-axis one was introduced

and a method to calibrate the parameters of the tool spindle was put forward. The method used a higher precision laser tracker to build coordinate systems

collect data and calculate geometric parameters

then to obtain the calibrating results of the rod length and swing angle for the tool spindle. Precision analysis shows that the angular precision is better than 10.000 and the length precision is better than 0.040 mm. The proposed method can also be applied to similar tasks.

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references

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