郑州大学学报（工学版）2018，Vol.39Issue(3)：72-76,86,6.DOI:10.13705/j.issn.1671-6833.2018.03.008
1m口径空间相机主望远镜组件设计
Component Design on Telescope with 1 m-Caliber Space Camera
摘要
Abstract
To study the performance consistence of the large-caliber telescope,the main 1m-caliber telescope was structure-designed and analyzed to achieve the comprehensive result.The materials of the main telescope were selected by comparing the materials' nature,and light-weight design was performed.After choosing the supporting scenarios of the main telescope and preparing case models,we proceeded modal analysis to the main telescope parts,and verified supporting materials.Last,we conducted the gravity-transformative and thermal analysis on the main telescope.The weight of the main telescope was reduced to 76 kg with a light-weight ratio of 77％.The simulation results indicated that the RMS of axial and radial direction of the speculum were 8.9 nm and 3.5 nm respectively.After performing optimal design viai Sight,the radial self-weight deformation RMS of the primary mirror was improved to 3.3 nm,decreased 5.7％ comparingwith the RMS before optimization.When the temperature of main specular body reached 20 ± 0.3 ℃,the RMS was 10.1 nm,which satisfied the surface figure accuracy of the telescope.关键词
大口径/主镜/轻量化/柔性支撑/重力变形/优化设计/热变形Key words
large-caliber telescope/main telescope/light-weight/whiffle tree support/gravity transformation/optimal design/thermal transformation分类
机械制造引用本文复制引用
卢晓明,贾建军,周成林,方勇勇,谢永..1m口径空间相机主望远镜组件设计[J].郑州大学学报（工学版）,2018,39(3):72-76,86,6.基金项目
国家自然科学基金资助项目(61302181) （61302181）
