Calculation and control of adhesive layer in reflector athermal mount

LIU Qiang; HE Xin; ZHANG Feng; CHEN Si-wei

doi:10.3788/OPE.20122010.2229

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Calculation and control of adhesive layer in reflector athermal mount

Article | 更新时间：2020-08-12

- Calculation and control of adhesive layer in reflector athermal mount
- Optics and Precision Engineering Vol. 20, Issue 10, Pages: 2229-2236(2012)
- 作者机构：
  
  1. 中国科学院长春光学精密机械与物理研究所,吉林长春,中国,130033
  2. 中国科学院大学北京,中国,100049
  3. 吉林大学化学学院,吉林长春,130012
- 作者简介：
- 基金信息：
- DOI：10.3788/OPE.20122010.2229
  CLC： TH140.8;TH703
- Received：15 June 2012，
  
  Revised：18 July 2012，
  
  Published：10 October 2012
- 稿件说明：
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刘强, 何欣, 张峰, 陈思唯. 反射镜无热装配中胶层厚度的计算及控制[J]. 光学精密工程, 2012,20(10): 2229-2236

LIU Qiang, HE Xin, ZHANG Feng, CHEN Si-wei. Calculation and control of adhesive layer in reflector athermal mount[J]. Editorial Office of Optics and Precision Engineering, 2012,20(10): 2229-2236
刘强, 何欣, 张峰, 陈思唯. 反射镜无热装配中胶层厚度的计算及控制[J]. 光学精密工程, 2012,20(10): 2229-2236 DOI： 10.3788/OPE.20122010.2229.

LIU Qiang, HE Xin, ZHANG Feng, CHEN Si-wei. Calculation and control of adhesive layer in reflector athermal mount[J]. Editorial Office of Optics and Precision Engineering, 2012,20(10): 2229-2236 DOI： 10.3788/OPE.20122010.2229.

摘要

为了实现空间遥感器反射镜无热装配

对反射镜粘接镶嵌件时胶层厚度的计算及控制胶粘厚度的方法进行了研究。首先介绍了工程中常用的计算反射镜无热装配胶层厚度的方法及胶层厚度控制工艺

主要描述了工装保证法、精密测量法和工装测量结合法

给出了各种方法的优缺点及局限性。针对目前胶粘工艺控制胶层厚度存在的问题

提出采用具有不同直径规格的空心玻璃微珠来控制胶层厚度的方法。拉伸试验验证了添加了空心玻璃微珠的光学环氧胶比纯光学环氧胶的力学性能提升了20%;利用平面反射镜粘接镶嵌件的试验表明

依靠填充空心玻璃微珠保证胶层厚度的胶粘工艺方法能够保持反射镜面形值

同时证明了胶层计算方法可以应用于空心玻璃珠的直径选择。提出的胶层厚度计算方法及玻璃微珠胶粘工艺可以实现反射镜无热装配

目前已应用于某在研项目。

Abstract

To achieve the athermal mount of remote sensor reflectors

the calculation and controlling methods of the adhesive layer thickness for a reflector in athermal mount was researched. Firstly

the methods to calculate the adhesive layer thickness for athermal mount in engineering applications were introduced

the several kinds of controlling processes of layer thickness for the reflector was described and the advantages

disadvantages and limitations of each method were analyzed in detail. Based on the analysis of the problem of the layer thickness control process

the hollow glass beads with different diameter sizes were used to control the layer thickness. A tensile test was performed to prove that the optical epoxy glue added hollow glass beads has improved the mechanical properties by 20% than the pure optical epoxy glue. The experiment shows that the adhesive process method by using the hollow glass beads to ensure the layer thickness can provide a good surface figure for the reflector

which meets the requirements of lens stress-free mount. The method has been used in engineering projects.

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references

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