渐进多焦点镜片的设计与慢刀伺服车削

中国机械工程

渐进多焦点镜片的设计与慢刀伺服车削

牛恒泰1;康敏1,2;王兴盛1;杨军1

1.南京农业大学工学院,南京，210031
2.南京农业大学灌云现代农业装备研究院，灌云，222200

出版日期:2019-03-25 发布日期:2019-03-28
基金资助:
江苏省普通高校研究生科研创新计划资助项目（KYLX15-0565）

Design and Slow Tool Servo Turning of Progressive-addition Lenses

NIU Hengtai1;KANG Min1,2;WANG Xingsheng1; YANG Jun1

1.College of Engineering, Nanjing Agricultural University, Nanjing, 210031
2.Guanyun Research Institute for Modern Agricultural Equipment, Nanjing Agricultural University, Guanyun, Jiangsu, 222200

Online:2019-03-25 Published:2019-03-28

摘要/Abstract

摘要： 为解决自由曲面眼镜片设计加工的难题，进行了渐进多焦点镜片的设计和加工。提出了渐进多焦点曲面的参数化设计方法，通过控制曲面曲率来控制曲面的面型，避免了复杂的数学计算。在对曲面光焦度和像散分布进行计算的基础上对曲面进行评价。提出了离散曲面的刀触点生成方法，将慢刀伺服车削技术用于该渐进多焦点曲面的加工。实验结果证明了设计方法的正确性和加工方法的可行性。

关键词: 自由曲面, 多焦点镜片, 参数化, 离散曲面, 慢刀伺服

Abstract: The design and processing of non-rotationally symmetric or aspherical spectacle lenses had many difficulties nowadays. A parametric design method of progressive-addition lenses (PAL) was proposed herein. This method avoided complex mathematical calculations by controlling the surface curvatures to control the optical powers and astigmatism distribution. Distribution of surface astigmatism and surface power were calculated and evaluated. A method for generation of cutting contact points was proposed for discrete surfaces. The slow tool servo turning technology was used in machining of the PAL. Experimental results show that the design method and cutting contact points generation method are successful.

Key words: free-form surface, multifocal lense, parameterization, discrete surface, slow tool servo

中图分类号:

TH741

牛恒泰1;康敏1,2;王兴盛1;杨军1. 渐进多焦点镜片的设计与慢刀伺服车削[J]. 中国机械工程.

NIU Hengtai1;KANG Min1,2;WANG Xingsheng1; YANG Jun1 . Design and Slow Tool Servo Turning of Progressive-addition Lenses[J]. China Mechanical Engineering.

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