数控非接触式超光滑光学元件加工机床的设计

李显凌

doi:10.3788/OPE.20122004.0719

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数控非接触式超光滑光学元件加工机床的设计

现代应用光学 | 更新时间：2020-08-12

- 数控非接触式超光滑光学元件加工机床的设计
- Design of CNC non-contact super-smooth polishing machine for optical components
- 光学精密工程 2012年20卷第4期页码：719-726
- 作者机构：
  
  中国科学院长春光学精密机械与物理研究所应用光学国家重点实验室,吉林长春,130033
- 作者简介：
- 基金信息：
  
  国家科技重大专项资助项目(No.2009ZX02205)()
- DOI：10.3788/OPE.20122004.0719
  中图分类号： TQ171.684;TH161
- 收稿日期：2011-06-10，
  
  修回日期：2011-07-19，
  
  网络出版日期：2012-04-22，
  
  纸质出版日期：2012-04-22
- 稿件说明：
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李显凌. 数控非接触式超光滑光学元件加工机床的设计[J]. 光学精密工程, 2012,(4): 719-726

LI Xian-ling. Design of CNC non-contact super-smooth polishing machine for optical components[J]. Editorial Office of Optics and Precision Engineering, 2012,(4): 719-726
李显凌. 数控非接触式超光滑光学元件加工机床的设计[J]. 光学精密工程, 2012,(4): 719-726 DOI： 10.3788/OPE.20122004.0719.

LI Xian-ling. Design of CNC non-contact super-smooth polishing machine for optical components[J]. Editorial Office of Optics and Precision Engineering, 2012,(4): 719-726 DOI： 10.3788/OPE.20122004.0719.

摘要

基于数控技术

提出了一种非接触式光学元件表面超光滑液体抛光方法。通过磨头中心孔为抛光表面提供抛光液

抛光液在磨头自转的带动下与光学元件表面相互作用

实现光学元件表面材料的微量去除

利用计算机控制抛光磨头的运动轨迹完成对光学元件表面的抛光。根据上述原理

设计和研制了数控非接触表面超光滑光学元件加工机床样机

样机直线运动轴最低进给速度为0.000 1 m/s

定位精度为0.008 mm;摆动轴最低转速为0.002 8 r/min

定位精度为15。抛光实验结果表明

经过20 min的超光滑加工

熔石英材质光学元件上两点的表面粗糙度

值分别由加工前的1.03 nm和0.92 nm提高到加工后的0.48 nm和0.44 nm

显著提高了加工精度。

Abstract

A Computer Numerical Control (CNC) non-contact super-smooth polishing method for optical components was proposed. Polishing fluid was provided through a center hole of the polishing tool for the optical surface and it interacted with the surfaces of optical components drived by a rotated polishing tool to remove the materials on the optical components minutely. The motion trajectory of the polishing tool could be controlled by the computer. According to the proposed principle

a prototype of CNC non-contact super-smooth polishing machine for the optical components was designed and developed

and its minimum feed rate and positioning accuracy for the linear motion axis are 0.000 1 m/s and 0.008 mm

respectively; the minimum rotate speed and positioning accuracy for the swing shaft are 0.002 8 r/min and 15'

respectively. The performance of the prototype could meet the requirements of spherical/aspherical optical components with diameters less than 200 mm for super-smooth polishing. To verify the prototype

an experiment was performed on a fused silica component. After super-smooth polishing for 20 min

the surface roughness of two points on the optical component is improved from 1.03 nm and 0.92 nm to 0.48 nm and 0.44 nm

which shows the polishing accuracy has been optimized greatly.

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Keywords

references

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