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題 名 | 軸對稱非球面精密加工設計=Design of Precision Manufacturing for the Axial Symmetrical Aspheric Surfaces |
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作 者 | 陳維方; 王榮慶; 王福壽; 張百齊; 涂政享; 林育賢; | 書刊名 | 遠東學報 |
卷 期 | 25:1 2008.03[民97.03] |
頁 次 | 頁17-23 |
分類號 | 446.895 |
關鍵詞 | 非球面; 精密磨削; Aspheric surface; Precision grinding; |
語 文 | 中文(Chinese) |
中文摘要 | 現代的光學常採用非球面光學零件,非球面與球面相比較,有矯正像差 的作用,且可以簡化系統並提高光學系統的精度。採用非球面光學元件可以 使光學系統中光學元件數量大大減少的情況下仍能獲得優良的成像品質。現 代光學設計方法對採用非球面光學元件的光學系統設計已卓有成效,而目前 的問題是非球面光學元件的加工研磨和檢測仍是十分困難的工作。 傳統的非球面加工方法是將毛胚磨削成最佳擬合球面,然後再研磨、拋 光,直至達到所要求精度的非球面面形。這樣的加工過程,特別是對於大型 非球面光學元件而言,是非常費時費工的,因而使成本大大提高,縮短非球 面光學元件加工時間的一種方法是直接磨削而達到所期望的精度,如此在磨 削加工的設計與製造將成為一個重要的問題。 因而高精度、高質量的非球面元件的需求正與日俱增,其中多數是軸對 稱非球面型。本文以球形銑刀及砂輪,並根據軸對稱非球面的軸對稱性,採 用二軸同動精密數控工具機,以數控加工非球面零件的幾何模型。 |
英文摘要 | Modern optics often introduces the aspheric surface of optical components. The aspheric surface has the function of rectifying aberration by comparing to the spherical surface. Additionally, it also simplifies the system as well as rises in the precision of optical system. Using optical aspherical elements, the perfect image can still be obtained if the quantity of optical elements used in the optical system is greatly decreased. Modern optical design is essential to the optical system in which the aspherical element is used. The problem is that the manufacture and testing of optical aspherical elements are difficult. The traditional manufacturing method of an aspherical surface is that the blank is grinded to an optimum fitted spherical surface. Then, thought grinding and polishing, the accurate aspherical surface is achieved. This process, especially for large optical aspherical parts, takes time and requires a lot of labor; therefore the cost will be increased greatly. One method of reducing the manufacturing time of optical aspherical parts is to grind the blank to a finished surface, and to achieve the expected accuracy. For this reason, a model on precision grinding design and manufacturing for aspheric surfaces is important task. Therefore, the need of high precision and high quality aspheric surface components is arising, especially the most of aspheric surface is the axial symmetrical aspheric surface. This paper proposes to use spherical grinding wheel on the simultaneous two-axis precision grinding machine to numerically produce the geometric modes of aspheric surface components base on the axial symmetry of the axial symmetrical aspheric surface. |
本系統中英文摘要資訊取自各篇刊載內容。