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完整後設資料紀錄
DC 欄位 | 值 | 語言 |
---|---|---|
dc.contributor.advisor | 楊宏智 | |
dc.contributor.author | Yi-Jyun Lin | en |
dc.contributor.author | 林倚君 | zh_TW |
dc.date.accessioned | 2021-06-17T04:26:26Z | - |
dc.date.available | 2021-08-21 | |
dc.date.copyright | 2018-08-21 | |
dc.date.issued | 2018 | |
dc.date.submitted | 2018-08-14 | |
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dc.identifier.uri | http://tdr.lib.ntu.edu.tw/jspui/handle/123456789/70356 | - |
dc.description.abstract | 本研究針對氣囊式拋光機的材料移除形式建立一理論模型作深入探討與研究,藉由數控拋光機台為Zeeko IRP 1000並搭配LP66拋光墊實際拋光實驗與表面分析,研究各參數設定對於表面材料移除效果之影響,進而透過歸納分析提出材料移除函數模型的修正,最終以材料移除函數模型計算形貌誤差修正之拋光加工策略。首先以Preston equation建立理論材料移除函數模型,並以赫茲接觸作為其中壓力分布之建立理論,速度分布以動力學做分析計算,材料移除函數模型之等效材料參數則經由動態下壓力實驗確認。再透過實驗與模擬的分析比較得出普利斯常數( Preston’s coefficient ),在不同的進給速率下,其計算出的K值平均值為6.02e-4,為一個常數。K值設定後,最終以確立材料移除函數模型之建立。
實驗證明拋光策略之規劃中需考慮材料移除函數之疊加所造成的效應,形貌誤差修正實驗將針對材料移除函數之疊加影響作探討,並重新規劃拋光策略之計算,再以一形貌誤差修正實驗驗證。本次實驗結果與模型模擬之最大深度差值為0.1236 um,實驗之材料移除深度值約達總模擬數值的85%以上,即代表實驗值能達到85%以上的拋光模型效果預測,證明本研究建立之材料移除函數模型確實是可以呈現參數設定之拋光效果。 | zh_TW |
dc.description.abstract | This study presents a simulation model to predict material removal functions based on the Preston equation and the bonnet polishing experimental observations, carried out on Zeeko IRP 1000 with LP66 polishing pad. The model is served to program the polishing strategy for surface error corrections, and hence improving the processing results for high-end glass lenses requirement.
In this thesis, the material removal functions are simulated based on the Preston equation. The velocity distribution is derived from the geometry of the polishing motion. The pressure distribution at the polishing spot is based on the results by Hertz contact theory. In the study the material properties are firstly validated by a series of dynamics press force experiments with a load cell. Preston’s coefficients of the modeling are obtained by the correlation between polishing parameters experimental and modeling results. The experimental results show that the effect of the superposition of the material removal function is necessary to be taken into consideration in the polishing strategy. The material removal depths as measured from experimental are found to be 85% of simulated results. In general, the estimation in the model agrees well with experiments, and the polishing effects can be well presented by the set parameters when the proposed material removal function model is suitably applied. | en |
dc.description.provenance | Made available in DSpace on 2021-06-17T04:26:26Z (GMT). No. of bitstreams: 1 ntu-107-R05522702-1.pdf: 5052518 bytes, checksum: 3e1b993fdb79abd7c2d429ccdcd79c98 (MD5) Previous issue date: 2018 | en |
dc.description.tableofcontents | 誌謝 I
摘要 III ABSTRACT IV 目錄 V 圖目錄 VIII 表目錄 XII 符號表 XIV 第一章 緒論 1 1.1 研究背景 1 1.2 研究動機 3 1.3 研究目的 5 1.4 論文架構 6 第二章 文獻回顧 7 2.1 簡介 7 2.2 拋光製程 7 2.2.1 拋光概述 7 2.2.2 傳統拋光製程 11 2.2.3 表面形貌與透鏡品質 12 2.3 氣囊式拋光技術 16 2.3.1. 參數影響 18 2.3.2. 表面品質研究 25 2.4 赫茲接觸理論 30 第三章 實驗設計與規劃 33 3.1 簡介 33 3.2 實驗設備 33 3.2.1 拋光實驗設備 33 3.2.2 量測實驗設備 39 3.3 試片備製 42 3.4 實驗設計 46 第四章 實驗方法 47 4.1 研究架構 47 4.2 材料移除函數模型簡介 48 4.3 材料移除函數建立 50 4.4 動態下壓力實驗 53 4.5 拋光參數實驗 59 4.5.1 單道拋光參數實驗 61 4.5.2 單道多次拋光參數實驗 64 4.5.3 拋光頭偏移量修正實驗 70 4.6 材料移除函數修正 78 4.7 小結 82 第五章 驗證實驗 84 5.1 簡介 84 5.2 整面拋光實驗 84 5.3 驗證實驗條件 88 5.4 參數設定 89 5.4.1. 疊加對材料移除率之影響 93 5.5 小結 97 第六章 結論與未來展望 99 6.1 結論 99 6.2 未來展望 101 參考文獻 102 | |
dc.language.iso | zh-TW | |
dc.title | 氣囊式拋光技術之材料移除函數研究 | zh_TW |
dc.title | Study of Material Removal Functions for Bonnet Polishing Process | en |
dc.type | Thesis | |
dc.date.schoolyear | 106-2 | |
dc.description.degree | 碩士 | |
dc.contributor.oralexamcommittee | 陳順同,許巍耀,郭慶祥 | |
dc.subject.keyword | 精密數控拋光,氣囊式拋光技術,刀具影響函數,材料移除函數模型, | zh_TW |
dc.subject.keyword | High Accuracy CNC Polishing,Bonnet Polishing,Tool Influence Function,Material Removal Function, | en |
dc.relation.page | 104 | |
dc.identifier.doi | 10.6342/NTU201802862 | |
dc.rights.note | 有償授權 | |
dc.date.accepted | 2018-08-14 | |
dc.contributor.author-college | 工學院 | zh_TW |
dc.contributor.author-dept | 機械工程學研究所 | zh_TW |
顯示於系所單位: | 機械工程學系 |
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