【正文】 .................................... 1 課題背景 .............................................. 1 切割技術(shù)的現(xiàn)狀、應(yīng)用形式及技術(shù)經(jīng)濟性 ................. 2 本文研究的主要內(nèi)容 .................................... 4 設(shè)備 注意事項 ................................... 4 工作內(nèi)容 ....................................... 5 第 2 章 機床總體設(shè)計 ..................................... 6 坡口加工工藝 .......................................... 6 機械加工方法 ................................... 7 熱切削方法 ..................................... 7 機床總體設(shè)計的基本要求 ................................ 9 總體結(jié)構(gòu)布局 ......................................... 11 總體結(jié)構(gòu)布局原則 .............................. 11 配置形式的選擇 ................................ 11 方案選擇 ...................................... 12 機床工作原理 ......................................... 13 第 3 章 機床各個裝置和機構(gòu)的結(jié)構(gòu)設(shè)計 ..................... 17 工件定位夾緊裝置結(jié)構(gòu)設(shè)計 ............................. 17 割炬橫向進給裝置結(jié)構(gòu)設(shè)計 ............................. 17 割炬縱向升降裝置結(jié)構(gòu)設(shè)計 ............................. 19 液壓動力系統(tǒng)結(jié)構(gòu)設(shè)計 ................................. 21 回轉(zhuǎn)支架和底座結(jié)構(gòu)設(shè)計 ............................... 22 坡口割炬角度及靠背輪調(diào)整裝置結(jié)構(gòu)設(shè)計 ................ 23 第 4 章 機床夾緊裝置的計算與分析 ......................... 24 定位夾緊裝置桿類構(gòu)件的受力計算與穩(wěn)定性分析 .......... 24 液壓缸體壓強 ......................................... 27 中央立柱的強度分析 ................................... 28 黑龍江科技學(xué)院 畢業(yè)設(shè)計（論文） 節(jié)筒加工誤差分析 ...................................... 29 相關(guān)關(guān)鍵外購件的選取 .................................. 30 結(jié)論 .................................................. 31 致謝 .................................................. 32 參考文獻 ............................................... 33 附錄 .................................................. 34 黑龍江科技學(xué)院 畢業(yè)設(shè)計（論文） CATALOG Abstract ............................................................................................................. I Abstract ............................................................................................................II First chapter Introduction ............................................................................... 1 Project background .............................................................................. 1 Cutting technology present situation, application and technical economy ............................................................................................ 2 The main contents of this paper .......................................................... 4 Equipment characteristics ...................................................... 4 Job content .............................................................................. 5 The second chapter Machine tool design ..................................................... 6 Groove machining technology ............................................................ 6 Mechanical processing method ............................................. 7 Thermal cutting method ......................................................... 7 The basic requirements of the machine tool design........................... 9 Overall layout..................................................................................... 11 Overall layout principles...................................................... 11 Configuration option ............................................................ 11 Scheme selection .................................................................. 12 Machine working principle ............................................................... 13 The third chapter Each device and machine tool structure.................... 17 orkpiece locating and clamping device structure design................. 17 Torch transverse feeding device structure design ............................ 17 Torch longitudinal lifting device structure design ........................... 19 Hydraulic power system structure design ........................................ 21 Rotary bracket and the pedestal structure design ............................ 22 Groove cutting angle and the backrest wheel adjusting device structure design ............................................................................... 23 The fourth chapter Calculation and analysis of machine tool clamping device ................................................................................................................. 24 Positioning and clamping device of bar ponents stress 黑龍江科技學(xué)院 畢業(yè)設(shè)計（論文） calculation and stability analysis ................................................... 24 Hydraulic cylinder pressure .............................................................. 27 The central pillar of strength analysis .............................................. 28 Cylinder machining error analysis .................................................... 29 Related key parts selection................................................................ 30 Conclusion ........................................................................................................ 31 Thank ................................................................................................................ 32 Reference .......................................................................................................... 33 Appendix........................................................................................................... 34 黑龍江科技學(xué)院 畢業(yè)設(shè)計（論文） 第 1章 緒論 課題背景 由于現(xiàn)代海域戰(zhàn)爭日益呈現(xiàn)多層次空間、大立體縱深的特點，所以研制潛艇是國防建設(shè)的需要，是提高國防工業(yè)快速反應(yīng)能力的需要，其主要目的是保持威懾力量，應(yīng) 對 隨時可能出現(xiàn)的地區(qū)熱點。 本文重點對坡口加工機床的夾緊裝置、徑向進給、縱向升降和切割角度調(diào)整等重要部件的設(shè)計，根據(jù)設(shè)計和使用的要求，對夾緊裝置的靜態(tài)剛度和強度、節(jié)筒受力變形和其加工誤差進行 分析 。 黑龍江科技學(xué)院 畢業(yè)設(shè)計（論文） I 摘 要 目前，國內(nèi)尚無大型節(jié)筒坡口加工設(shè)備，傳統(tǒng)的坡口加工機械設(shè)備存在生產(chǎn)效率低下、成本高、難以保證加工精度的缺點，不能滿足超大型節(jié)筒坡口的加工需要。 關(guān)鍵詞 ： 坡口；等離