[1]李卓,姜峰,王福增,等.采用数值仿真实验的“透光”镜制造原理[J].华侨大学学报(自然科学版),2023,44(1):1-11.[doi:10.11830/ISSN.1000-5013.202208007]
　LI Zhuo,JIANG Feng,WANG Fuzeng,et al.Manufacturing Principle of “Light-Transparent” Mirror Using Numerical Simulation Experiment[J].Journal of Huaqiao University(Natural Science),2023,44(1):1-11.[doi:10.11830/ISSN.1000-5013.202208007]
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采用数值仿真实验的“透光”镜制造原理()
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《华侨大学学报（自然科学版）》[ISSN:1000-5013/CN:35-1079/N]

卷:
第44卷
期数:
2023年第1期
页码:
1-11
栏目:
出版日期:
2023-01-10

文章信息/Info

Title:
Manufacturing Principle of “Light-Transparent” Mirror Using Numerical Simulation Experiment
文章编号:
1000-5013(2023)01-0001-11
作者:
李卓1; 2;  姜峰1; 2;  王福增1; 2;  路冬3;  吴贤2;  黄国钦1; 2;  黄辉1; 2
1. 华侨大学 制造工程研究院, 福建 厦门 361021;2. 华侨大学 机电及自动化学院, 福建 厦门 361021;3. 南方科技大学 机械与能源工程系, 广东 深圳 518055
Author(s):
LI Zhuo1; 2;  JIANG Feng1; 2;  WANG Fuzeng1; 2;  LU Dong3;  WU Xian2;  HUANG Guoqin1; 2;  HUANG Hui1; 2
1. Institute of Manufacturing Engineering, Huaqiao University, Xiamen 361021, China; 2. College of Mechanical Engineering and Automation, Xiamen 361021, China; 3. Department of Mechanical and Energy Engineering, Southern University of Science and Technology, Shenzhen 518055, China
关键词:
“透光”镜;  残余应力;  微观结构;  数值仿真;  应变
Keywords:
“light-transparent” mirror;  residual stress;  micro-structure;  numerical simulation;  strain
分类号:
TG147;TG17
DOI:
10.11830/ISSN.1000-5013.202208007
文献标志码:
A
摘要:
对“透光”镜造型进行检测分析,探明“透光”现象的关键原因为镜面整体上凸,镜面存在微观结构.对镜体材质、铸造残余应力、研磨量和研磨方式等关键因素进行分析,逐步探明制镜工艺特点.以ABAQUS软件为平台,通过数值仿真实验分析镜面研磨过程中残余应力引起的镜体变形效果.仿真结果表明:随着“透光”镜的镜面研磨去除量和去除曲率逐渐增大,镜面微观结构的高度差将逐渐增大,形貌特征将更加明显;在平面研磨过程中,随着镜体刚度逐渐下降,铸造残余应力克服镜体刚度使镜面产生拱起变形和应变差异;在曲面精磨过程中,随着镜面弯曲曲率的增大,镜体内部残余应力更易释放,镜面上的微观结构也更加明显,最终形成镜面“透光”现象.
Abstract:
The shape of the “light-transparent” mirror was measured and analyzed, and it was proved that the key reasons of the “light-transparent” phenomenon were that the mirror surface was convex as a whole and there was microstructures on the mirror surface. The key factors such as the material of the mirror body, casting-induced residual stress, material removal amount and grinding method were analyzed, the machining process of the mirror had been verified. Using the ABAQUS software, the effect of deformation of mirror body caused by the residual stress during the mirror grinding process had been analyzed by numerical simulation experiment. The simulation results show that as the removal amount and removal curvature of the mirror surface of the “light-transparent” mirror gradually increase, the height difference of the mirror surface micro-structure will gradually increase, and the morphology characteristics will become more obvious. In the process of surface grinding, as the mirror body stiffness gradually decreases, the casting-induced residual stress overcomes the mirror body stiffness and causes the mirror surface to produce arching deformation and strain differences. In the process of curved surface grinding, the residual stress inside the mirror body is easier to release with the increase of curvature of the mirror surface, and the microstructure on the mirror surface is also more obvious. Finally, the phenomenon of “light-transparent” of the mirror surface is obtained.

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备注/Memo

备注/Memo:
收稿日期: 2022-08-15
通信作者: 姜峰(1981-),男,教授,博士,博士生导师,主要从事精密与超精密加工的研究.E-mail:jiangfeng@hqu.edu.cn.
基金项目: 国家自然科学基金资助项目(51905182); 华侨大学第二批“课程思政”特色示范课堂资助项目(2020年度)http://www.hdxb.hqu.edu.cn
更新日期/Last Update: 2023-01-20