Please use this identifier to cite or link to this item: http://hdl.handle.net/11455/2553
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dc.contributor鄧昭瑞zh_TW
dc.contributor蔡得民zh_TW
dc.contributor邱顯俊zh_TW
dc.contributor.advisor蔡志成zh_TW
dc.contributor.author張國豐zh_TW
dc.contributor.authorChang, Kuo-Fengen_US
dc.contributor.other中興大學zh_TW
dc.date2011zh_TW
dc.date.accessioned2014-06-05T11:43:32Z-
dc.date.available2014-06-05T11:43:32Z-
dc.identifierU0005-2807201012491200zh_TW
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dc.identifier.urihttp://hdl.handle.net/11455/2553-
dc.description.abstract滾珠導螺桿具高傳動效率與速度、低摩擦與磨耗以及精密定位等優點,已大量應用於需要較高精度的精密機械,然而滾珠導螺桿在運轉時所產生之溫升會影響其精度,故在組裝滾珠導螺桿時通常會對螺桿施加預拉來預作補償。本研究目標為探討對導螺桿施加之預拉量對於滾珠導螺桿所造成之預拉力與溫升之影響。 研究主要針對雙螺帽滾珠導螺桿之元件探討,藉由材料力學進行預拉力與溫升伸長量之數值分析;其次進行實驗設計,以預拉量、轉速以及連續運轉時間為主要實驗參數,並透過墊圈式荷重計、應變指示與紀錄器以及紅外線溫度計量測拉力、變形量與溫升,紀錄導螺桿在所設計之參數及運轉狀態下,導螺桿軸向預拉力與溫升之數據。實驗結果顯示,導螺桿溫度會隨著運轉時間與轉速的提高而升高,而預拉力則同時遞減,實驗數據也顯示,實測之預拉力與理論值之平均誤差介於16 %至24 %之間,當螺桿轉速提升時,該誤差比例會隨之降低。本研究進一步藉由曲線擬合之方式導出導螺桿預拉力變化與溫升之經驗公式,歸納出預拉力變化、溫升以及轉速彼此間之關係,可作為調整滾珠導螺桿組裝預拉之參考。zh_TW
dc.description.abstractThe ballscrew has good performance namely high efficiency and speed, low friction and wear, precision positioning and so on. It has widely been applied to accuracy machines that need high precision. Nevertheless, the temperature increment during operation will affect the precision of ballscrew. Therefore, it is given pre-tension as compensation while ballscrew assembly. This study is aimed to investigate how the ballscrew pre-tension will affect by the pre-tension force changes and temperature increment. In this study, it mainly investigate into component of a double-nut ballscrew, then the numerical analysis of pre-tension force and temperature increment on mechanics of materials is implemented. The next stage is to design the experiments. The three main experimental parameters are pre-tension, rpm and duration of running. Through the measurement by Washer-Type Load Cell, Strain Indicator and Recorder, and Infrared Thermometer to observe the changes of axial pre-tension force and temperature increment of screw under the parameters setting. The experimental results reveal that pre-tension force decrease and temperature increase progressively by increase with time and rpm. According to the experimental results, the average error of pre-tension force between measurement and theoretical value is 16%~24%. While the rpm increase, the average error will decrease. By the curve fitting from this study, it is summarized an empirical formula for ballscrew pre-tension changes and temperature increment, then arrange the relationship among pre-tension changes, temperature increment and rpm. It could be a reference to adjust the pre-tension for ballscrew assembly.en_US
dc.description.tableofcontents誌謝 I 摘要 III ABSTRACT IV 圖目錄 VII 表目錄 IX 符號表 XI 第一章 緒論 1 1-1 研究動機 1 1-2 文獻回顧 3 1-3 研究方法與步驟 6 1-4 本文綱要 7 第二章 滾珠導螺桿之安裝預拉力變化與溫升分析 9 第三章 實驗規劃 13 3-1 實驗設計流程 13 3-2 實驗治具設計 14 3-3 實驗設備與配置 17 第四章 實驗結果 20 4-1 導螺桿溫升之實驗結果 20 4-2 導螺桿預拉力之實驗結果 25 4-3 實驗結果與理論值之比較 29 4-4 經驗公式推導 33 第五章 結論與未來展望 37 5-1 結論 37 5-2 未來展望 38 參考文獻 39 附錄A 實驗數據 42 附錄B 實驗設備之規格 54zh_TW
dc.language.isoen_USzh_TW
dc.publisher機械工程學系所zh_TW
dc.relation.urihttp://www.airitilibrary.com/Publication/alDetailedMesh1?DocID=U0005-2807201012491200en_US
dc.subjectBallscrewen_US
dc.subject滾珠導螺桿zh_TW
dc.subjectpre-tensionen_US
dc.subjecttemperature incrementen_US
dc.subject預拉zh_TW
dc.subject溫升zh_TW
dc.title雙螺帽滾珠導螺桿組裝預拉與運轉溫升之探討zh_TW
dc.titleAn Investigation on Pre-Tension and Running Temperature of A Double-Nut Ballscrewen_US
dc.typeThesis and Dissertationzh_TW
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