【正文】 普通機(jī)床在未來(lái)的幾年乃至 10 年內(nèi)還不會(huì)被數(shù)控及全自動(dòng)化的機(jī)械取代。數(shù) 控機(jī)床的特點(diǎn)及其應(yīng)用范圍使其成為國(guó)民經(jīng)濟(jì)和國(guó)防建設(shè)發(fā)展的重要設(shè)備。該機(jī)床通用性好，適用于加工各種軸類，套筒類，輪盤(pán)類零件的回轉(zhuǎn)面。 就中國(guó)機(jī)械業(yè)的發(fā)展來(lái)看，普通車床立下了不朽的功勞，車床中最典型的代表就是 CA6140 型普通臥式車床。 如果說(shuō)機(jī)床的發(fā)展是整個(gè)機(jī)械工業(yè)發(fā)展的基礎(chǔ) ,那么車床的發(fā)展對(duì)整個(gè)機(jī)械工業(yè)的發(fā)展有 不可估量的貢獻(xiàn)和 影響。由于經(jīng)濟(jì)穩(wěn)定發(fā)展、科技不斷提升、機(jī)床市場(chǎng)需求越來(lái)越旺盛，在 2020 年 — 2020 年的 10 年間，金屬切削機(jī)床產(chǎn)量倍增；數(shù)控機(jī)床和加工中心產(chǎn)量，增長(zhǎng)速度更是驚人。 關(guān)鍵詞： CA6140 機(jī)床；主軸箱； 傳動(dòng) 2 Abstract As the main turning processing machine tool, the CA6140 machine tool was widespread used in the machinefinishing profession, it is used in turning inside and outside the turning the round cylinder, taper and gyre, turning each kind of metric system, the British system, the modulus and the diameter festival thread, and can carry on the drill hole and pulls work and so on fuel tank. The CA6140 machine tool’s major ponent includes: headstock, tool slide, tailstock, feedbox, apron and bed. This design mainly aims at the headstock of the CA6140 machine tool .The headstock of machine tool is a quite plex transmission part. The design content mainly includes determines the machine tool’s main parameter, Draws up the tr ansmission plan and the transmission scheme, Calculated and examined the main spare part， And used specialized charting software to carry on the ponents design and processing. Keywords: CA6140 machine tool； headstock； transimssion 3 第 1 章 緒論 工程背景與意義 改革開(kāi)放后我國(guó)的機(jī)床工業(yè)在技術(shù)上、產(chǎn)量上發(fā)展迅猛。機(jī)床 主軸箱 是一個(gè)比較復(fù)雜的傳動(dòng)部件。 其主要部件有：主軸箱、刀架、尾座、進(jìn)給箱、溜板箱以及床身 等 。數(shù)控機(jī)床畢業(yè)設(shè)計(jì) 目錄 摘 要 ..................................................................................................錯(cuò)誤 !未定義書(shū)簽。 Abstract.......................................................................................................................... 2 第 1章 緒論 .................................................................................................................... 3 工程背景與意義 ................................................................................................. 3 國(guó)內(nèi)外的應(yīng)用現(xiàn)狀及發(fā)展趨勢(shì) ............................................................................ 3 本課題研究?jī)?nèi)容 ................................................................................................. 3 CA6140 普通臥式車床知識(shí)簡(jiǎn)介 ................................................................. 4 設(shè)計(jì)重點(diǎn) ................................................................................................. 6 第 2章 傳動(dòng)方案設(shè)計(jì) ...................................................................................................... 6 確定 結(jié)構(gòu)方案 ..................................................................................................... 6 確定基本參數(shù) ..................................................................................................... 7 主運(yùn)動(dòng)鏈轉(zhuǎn)速圖的擬定 ....................................................................................... 7 傳動(dòng)組和傳動(dòng)副數(shù)目得確定 ..................................................................... 7 結(jié)構(gòu)網(wǎng)各種方案的選擇 ............................................................................ 8 繪制轉(zhuǎn)速圖 .............................................................................................. 9 齒輪齒數(shù)的確定 ............................................................................................... 10 繪制傳動(dòng)系統(tǒng)圖 ................................................................................................11 確定各軸轉(zhuǎn)速 ................................................................................................... 12 確定主軸計(jì)算轉(zhuǎn)速 ................................................................................. 12 各傳動(dòng)軸的計(jì)算轉(zhuǎn)速 .............................................................................. 12 各齒輪的計(jì)算轉(zhuǎn)速 ................................................................................. 12 驗(yàn)算主軸轉(zhuǎn)速誤差 ............................................................................................ 12 第 3章 傳動(dòng)原件設(shè)計(jì) .................................................................................................... 13 帶傳動(dòng)設(shè)計(jì) ...................................................................................................... 13 齒輪設(shè)計(jì) .......................................................................................................... 15 齒輪材料選 擇 ........................................................................................ 15 模數(shù)計(jì)算 ............................................................................................... 15 齒輪的幾何尺寸 ..................................................................................... 16 齒輪的結(jié)構(gòu)設(shè)計(jì)和布局 .......................................................................... 17 各軸徑的設(shè)計(jì) ................................................................................................... 18 選材 ...................................................................................................... 18 軸上零件的定位 ..................................................................................... 18 各軸最小直徑 ........................................................................................ 18 各軸幾何尺寸的確定 .............................................................................. 19 鍵的設(shè)計(jì) .......................................................................................................... 20 其他零部件的選取 ............................................................................................ 20 第 4 章 結(jié)構(gòu)設(shè)計(jì) ........................................................................................................... 21 第 5章 傳動(dòng)件的校核 .................................................................................................... 22 齒輪的校核 ...................................................................................................... 23 軸承的校核 ...................................................................................................... 24數(shù)控機(jī)床畢業(yè)設(shè)計(jì) 鍵的校核 .........