【正文】 ng, have the final choice of abrasive belt grinding on the propeller blades processing. Via a prehensive analysis to Abrasive belt grinding process of the propeller blades, abrasive belt grinding structure and the movement of abrasive belt grinding, to determine a series of abrasive belt grinding process parameters, and explicit the overall layout of abrasive belt grinding host machine on propeller Process. The integrated use of the machine tool design and cartographic skills, todesign, calculation and check of the main ponents of the abrasive belt grindingmachine,Determine the structure shape and size of the key ponents, using 3DModeling software to create the various parts of model of abrasive belt grindingmachine, and assembled into the overall model, optimize the design the part wheredoes not meet the design requirements of the abrasive belt grinding machine ,eventually bined with CNC machining technologies, pleted the design of the CNC abrasive belt grinding machine on processing propeller. This topic through the overall design of the belt grinder, will overe theprocessing problems of the propeller blade, the pletion of the processing tasks of the propeller blade, to break the foreign monopoly on the propeller blade processing technology, a substantial increase in the production of the national marine propeller corporate capacity, China39。綜合運用機床設計方法和制圖表達能力，對砂帶磨床的主要部件進行設計、計算和校核，確定各關鍵部件的結構形狀及其尺寸，利用三維建模軟件創(chuàng)建砂帶磨床各部分零件模型，并裝配成整體模型，對不符合設計要求的砂帶磨床部分進行優(yōu)化設計，最終再結合數控加工的相關技術，完成螺旋槳數控砂帶磨床的龍門主機設計。畢業(yè)設計（論文）螺旋槳數控砂帶磨床龍門主機設計摘 要本文針對復雜空間自由曲面螺旋槳葉片的加工問題，查閱相關技術資料明確螺旋槳葉片的加工現狀和難度，綜合分析各種加工方式對螺旋槳葉片加工的可行性，最終選擇砂帶磨削對螺旋槳葉片進行加工。通過對螺旋槳葉片的砂帶磨削工藝性、砂帶磨床結構形式和砂帶磨削運動進行綜合分析，確定一系列砂帶磨削工藝參數，明確螺旋槳砂帶磨床主機的總體布局。本課題通過對砂帶磨床的整體設計，將克服螺旋槳葉片加工的一系列難題，很好的完成對螺旋槳葉片的加工任務，打破國外對螺旋槳葉片加工技術的壟斷，大幅提到本國船用螺旋槳企業(yè)的生產能力，使我國的造船行業(yè)更上一個臺階。s steamboat industry to a higher level.Key words： Propeller, abrasive belt grinding, gantry host, NC目 錄中文摘要....................................................................................................ⅠABSTRACT...................................................................................................Ⅱ1 緒論.........................................................................................................1 課題的研究目的意義及其研究內容...............................................................1 螺旋槳加工難度及其加工現狀...............................................................2 課題的意義及其主要任務.....................................................................2 課題的重點研究內容...........................................................................2 砂帶磨床介紹..........................................................................................2 砂帶磨床發(fā)展背景介紹........................................................................2 砂帶磨床的發(fā)展現狀與趨勢..................................................................2 砂帶磨床的設計介紹...........................................................................42 螺旋槳砂帶磨削工藝分析.....................................................................7 砂帶磨削機理..........................................................................................7 螺旋槳砂帶磨削工藝分析...........................................................................8 砂帶磨削方式選擇..............................................................................8 砂帶及其磨料的選用...........................................................................9 螺旋槳砂帶磨削工藝參數設置...............................................................93 螺旋槳數控砂帶磨床龍門主機結構總體設計....................................11 螺旋槳數控砂帶磨床總體布局....................................................................11 機床總體布局的基本要求....................................................................11 螺旋槳數控砂帶磨床機床結構形式分析..................................................11 螺旋槳葉片磨削的運動分析.......................................................................124 螺旋槳數控砂帶磨床磨頭結構設計....................................................16 磨削力的理論計算...................................................................................16 磨削功率計算.........................................................................................16 磨頭結構的尺寸設計................................................................................17 接觸輪設計......................................................................................17 張緊輪設計......................................................................................18 砂帶張緊力計算......................................................................................20 張緊機構...............................................................................................20 砂帶尺寸選擇與計算................................................................................20 齒輪設計與強度校核...............................................................................21 砂帶磨削過程中的受力分析......................................................................255 螺旋槳砂帶磨床總體三維建模...........................................................27 螺旋槳數控砂帶磨床龍門主機總體布局圖....................................................27 磨頭機構裝配成形圖...........................................