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目錄 目錄 ......................................................................................................................................1 中文摘要 ..............................................................................................................................2 Abstract.................................................................................................................................2 第 1 章 緒論 ....................................................................................................................3 第 2 章 數(shù)學(xué)模型及工藝分析 ..........................................................................................4 2.1 鋼管典型相貫線數(shù)學(xué)模型的建立 .........................................................................4 2.2 割炬運動分析 ........................................................................................................5 2.3 焊接坡口工藝分析 ................................................................................................6 2.4 割炬的徑向補償 ....................................................................................................6 第 3 章 設(shè)備總體方案及布局 ............................................................................................7 3.1 機床總體方案 ........................................................................................................7 3.2 切割機傳動系統(tǒng)的簡要說明 ................................................................................7 3.3 功能和技術(shù)參數(shù)分析 ............................................................................................8 第 4 章 機械系統(tǒng)設(shè)計 ......................................................................................................10 4.1 Z 軸工作滑臺的設(shè)計 ............................................................................................10 4.2 調(diào)整絲杠的設(shè)計 ...................................................................................................17 4.3 齒輪齒數(shù)的確定與較核 ......................................................................................18 4.4 支架的設(shè)計 ..........................................................................................................18 第 5 章 控制系統(tǒng)設(shè)計 ....................................................................................................20 5.1 系統(tǒng)方案設(shè)計 .......................................................................................................20 5.2 控制系統(tǒng)的選用 ..................................................................................................21 5.3 數(shù)控裝置的部件結(jié)構(gòu)和安裝 ..............................................................................21 5.4.控制系統(tǒng)的硬件設(shè)計 ...........................................................................................22 5.5 圖形交互人機界面 ..............................................................................................23 總 結(jié) ................................................................................................................................25 鳴 謝 ..............................................................................................................................26 參考文獻(xiàn) ............................................................................................................................27 大型管材相貫線切割機設(shè)計 摘要 本設(shè)計以相貫線數(shù)學(xué)參數(shù)模型的基礎(chǔ), 分析切割機的割炬的軌跡運動, 將切割運動分 解為割炬回轉(zhuǎn)、割炬平移、割炬擺角和割炬徑向補償四軸聯(lián)動,對鋼管相貫焊接坡口數(shù)控 切割運動進行研究,并最終完成相貫線切割機的設(shè)計.該切割機采用數(shù)控原理進行軌跡控制， 采用火焰切割方式工作.設(shè)計共分四部分:相貫線數(shù)學(xué)參數(shù)模型的建立 ,切割機總體方案設(shè) 計,機械結(jié)構(gòu)設(shè)計和控制系統(tǒng)設(shè)計. 關(guān) 鍵 詞:大型管材;相貫線;焊接坡口;數(shù)控火焰切割 Abstract Based on the mathematical model of intersecting line and the analysis of the track of cutting torch, the design studies NC cutting movement for welding groove of pipe intersecting and finishes the design of pipe intersecting line cutting device . The cutting movement was divided into four axis relative motions of cutting torch, i. e. rotate round the pipe, shift along pipe, swing and compensate along radial direction. The device uses NC principle for intersecting line track control, the cutting method is flame-cutting. And the design contains four sections: the establishment of mathematical model of intersecting line, the design of the whole scheme, the design of mechanical structure and the design of NC control system. Keywords: Large-scale pipe; Intersecting line; Welding groove; NC flame-cutting