DC 欄位 | 值 | 語言 |
dc.contributor | 黃光裕 | zh-TW |
dc.contributor | 臺灣大學:機械工程學研究所 | zh-TW |
dc.contributor.author | 查宇杰 | zh-TW |
dc.contributor.author | Cha, Yu-Jie | en |
dc.creator | 查宇杰 | zh-TW |
dc.creator | Cha, Yu-Jie | en |
dc.date | 2008 | en |
dc.date.accessioned | 2010-06-30T10:47:25Z | - |
dc.date.accessioned | 2018-06-28T17:39:04Z | - |
dc.date.available | 2010-06-30T10:47:25Z | - |
dc.date.available | 2018-06-28T17:39:04Z | - |
dc.date.issued | 2008 | - |
dc.identifier.other | U0001-1107200816035100 | en |
dc.identifier.uri | http://ntur.lib.ntu.edu.tw//handle/246246/187299 | - |
dc.description.abstract | 本篇論文針對牙醫手持鑽機之葉輪動不平衡量測,開發微小型高速氣渦輪轉軸用動平衡檢測機,其中包括理論分析、機構設計、機台校正以及實際量測。依據葉輪外形,設計開發出系統之功能與實體架構。為了驗證功能和性能,轉軸支撐夾持與定位、不平衡量測、轉軸驅動及轉角轉速量測等子系統都經過實驗測試。透過支撐系統振動動態理論,由支撐系統測得之振動訊號可以推導出轉軸不平衡向量。藉由支撐系統之共振行為的最佳化,可以提昇不平衡的量測解析。傅立葉轉換或波形疊合法用於濾除不可避免之干擾振動以獲得待測轉軸之不平衡向量,並探討分析量測誤差之影響因素。最後透過實際測試結果之分析,歸納出量測精確之影響因素,以及提出改善策略方案。 | zh-TW |
dc.description.abstract | The aim of this thesis is to design and develop a dynamic balancing measurement machine for high-speed turbines of dental headpieces. Its task contains theoretical analyses、machine design、calibration and practical measurements. The functional and the embodiment layout of the measurement machine is designed and developed according to the geometric form of turbines. To verify their functions and performances, a series of testing experiments are carried out for all subsystems such as the suspension system, the driving system, the unbalance measurement system, the rotating angle and speed measurement system. Based on the dynamic theory, the relationship between the unbalancing vector of a turbine and the vibration signal derived from the unbalance measurement system is deduced. Through optimizing the resonant behavior of the suspension system, the measuring resolution of unbalance can be improved. The FFT and the waveform superposition method are used to filter the interference vibrations to obtain the real unbalancing vector of the turbine and to analyze the influential parameters of the measuring error. Finally based on analysis on experimental testing, the influential factors of measurement accuracy are induced and the corresponding improvement strategies are also proposed. | en |
dc.description.tableofcontents | 口試委員審定書 I謝 I要 III目錄 VII目錄 X號表 XI一章 緒論 1.1背景與動機 1.2文獻回顧 2.3本研究內容與簡介 4二章 轉動不平衡量量測理論與方法 6.1 轉軸分類 6.2 不平衡量的量測類型與分析 8.3轉軸平衡等級分類 14三章 動平衡檢測機系統之建構與設計開發 16.1 總系統功能與架構 16.1.1轉軸支撐夾持與定位子系統 19.1.2不平衡量量測子系統 31.1.4 轉速與轉角量測子系統 38.2 總系統之組裝 48四章 檢測機性能測試與校正 51.1轉軸支撐夾持與定位子系統測試 51.1.1 質量量測 52.1.2軸套與待測葉輪之配合 52.1.3 軸套與陶瓷軸承之配合 53.1.4 軸套與陶瓷軸承之耐磨性測試 54.2 不平衡量量測子系統 57.2.1 簧片性質測試 57.2.2 應變規訊號測試與分析 61.3 轉軸驅動子系統性能測試 64.4轉角與轉速量測子系統校正與測試 66五章 總系統測試 69.1 轉軸動平衡流程 71.2 實際平衡測試 73.2.1 擷取訊號分析探討 73.2.2 計算轉軸影響係數 76.3 影響動平衡精度因素探討與改善方案 82六章 結論與未來展望 84考文獻 86錄A 釹鐵硼(NdFeB)永久磁石之磁性能 87錄B 光纖位移計 88錄C 應變規特性規格 89錄D 應變規放大器特性規格 91錄E DAQ訊號擷取卡 95 | en |
dc.format.extent | 5441164 bytes | - |
dc.format.mimetype | application/pdf | - |
dc.language | zh-TW | en |
dc.language.iso | en_US | - |
dc.subject | 牙醫手持鑽機 | zh-TW |
dc.subject | 動平衡 | zh-TW |
dc.subject | 不平衡量測 | zh-TW |
dc.subject | 簧片共振 | zh-TW |
dc.subject | 快速傅立葉展開 | zh-TW |
dc.subject | 波形疊合 | zh-TW |
dc.subject | dental headpiece | en |
dc.subject | dynamic balancing | en |
dc.subject | unbalance measurement | en |
dc.subject | spring resonance | en |
dc.subject | FFT | en |
dc.subject | wave-form superposition method | en |
dc.title | 微小高速氣渦輪轉軸動平衡檢測機之設計開發與特性研究 | zh-TW |
dc.title | Research and Development of A Dynamic Balancing Measurement System for Miniature High-speed Turbine Rotor | en |
dc.type | thesis | en |
dc.identifier.uri.fulltext | http://ntur.lib.ntu.edu.tw/bitstream/246246/187299/1/ntu-97-R95522614-1.pdf | - |
item.openairetype | thesis | - |
item.fulltext | with fulltext | - |
item.openairecristype | http://purl.org/coar/resource_type/c_46ec | - |
item.grantfulltext | open | - |
item.languageiso639-1 | en_US | - |
item.cerifentitytype | Publications | - |
顯示於: | 機械工程學系
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