复合数控磨床螺纹成形磨削误差辨识及补偿

陈东菊; 董丽华; 杨智; 范晋伟

doi:10.3788/OPE.20152313.0348

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复合数控磨床螺纹成形磨削误差辨识及补偿

更新时间：2020-08-13

- 复合数控磨床螺纹成形磨削误差辨识及补偿
- Geometric error identification and compensation of complex CNC grinding machine
- 光学精密工程 2015年23卷第10z期页码：348-354
- 作者机构：
  
  北京工业大学机械工程与应用电子技术学院, 北京 100124
- 作者简介：
- 基金信息：
  
  国家自然科学基金资助项目(No.51105005,No.51475010)();北京市自然科学基金资助项目(No.3142005)()
- DOI：10.3788/OPE.20152313.0348
  中图分类号： TG580.213
- 收稿日期：2015-04-15，
  
  修回日期：2015-05-07，
  
  纸质出版日期：2015-11-14
- 稿件说明：
移动端阅览
陈东菊, 董丽华, 杨智等. 复合数控磨床螺纹成形磨削误差辨识及补偿[J]. 光学精密工程, 2015,23(10z): 348-354

CHEN Dong-ju, DONG Li-hua, YANG Zhi etc. Geometric error identification and compensation of complex CNC grinding machine[J]. Editorial Office of Optics and Precision Engineering, 2015,23(10z): 348-354
陈东菊, 董丽华, 杨智等. 复合数控磨床螺纹成形磨削误差辨识及补偿[J]. 光学精密工程, 2015,23(10z): 348-354 DOI： 10.3788/OPE.20152313.0348.

CHEN Dong-ju, DONG Li-hua, YANG Zhi etc. Geometric error identification and compensation of complex CNC grinding machine[J]. Editorial Office of Optics and Precision Engineering, 2015,23(10z): 348-354 DOI： 10.3788/OPE.20152313.0348.

摘要

建立了复合数控磨床的精密加工方程

用于提高复合数控磨床的加工精度。开发了相应补偿软件

对复合数控磨床的运动方程的建模、误差辨识与补偿分析等进行了研究。首先

基于多体系统运动学理论对复合数控磨床结构进行分析建模

建立机床运动的精密加工方程。然后

利用激光干涉仪对复合数控磨床运动模型中所涉及的所有误差参数进行辨识。最后

应用螺纹磨削加工辅助软件进行螺纹磨削加工仿真和实验

验证几何误差补偿技术理论的正确和可操作性。仿真结果以及实验表明:

轴向误差减小比例为66.55%

轴向误差减小比例为66.65%

轴向误差减小比例为66.35%

综合考虑三轴误差减小比例为66.51%。实验表明将误差补偿技术成功地延伸到螺纹加工领域

明显提高了复合数控机床的加工精度。

Abstract

A complex Computed Numerical Control(CNC) grinding precision machining equation was established to improve the machining precision of the composite CNC grinding machine. A software for the corresponding compensation was developed

and the precision modeling

error identification

error compensation

etc

. for the complex CNC grinding machine were researched. Firstly

the multi-body system modeling theory was used to analyze the CNC thread grinder modeling. The precision machining equation of CNC grinding machine was established. Then all the composite errors of CNC grinding machine were identified by using a laser interferometer. Finally

the error before and after error compensation were forecasted and the feasibility of the theory for geometric error compensation was finally verified. The simulation results show that errors have been decreased by 66.55%

66.65% and 66.35% in

axis

axis and

axis

respectively

and the integrated error for three axis has reduced by 66.51%. It concludes that the error compensation technology can be used in thread processing fields and can improve the machining accuracy of the CNC grinding machines.

关键词

Keywords

references

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