【正文】 精密車床主軸箱及變速箱系統(tǒng)設計1目錄緒論 ......................................11．概述 ...................................5 ........................................................................................................5 ............................................................................................................5 操作性能要求 ................................................................................................................................6 ...................6 ........................................................................................................................................6 ..........................................................................................................63．運動設計 ...............................7 ................................................................................................................................7 ..............................................................9???????? .............................................................10???????? ..............................................................11 主電動機的選擇 ..........................................................................................................................12 ..........................................................................................................................14 主變速方案擬定 .........................................................................14 擬定變速結構式 .........................................................................14 ..........................................................................15 驗算變速結構式 .........................................................................16精密車床主軸箱及變速箱系統(tǒng)設計2 ..................................................................................................................................17 齒輪齒數(shù)的估算 ..........................................................................................................................20 主軸轉速誤差 ..............................................................................................................................23 ................................26 ..........................................................................................................................26 ......................................................................................................................26 帶輪的設計 ..................................................................................................................................27 ......................................................................................................................30 ..........................................................................................................................33 ..........................................................................................................................36 ................................................................................36 的確定和軸承的選擇 .....................................360L ......................................................................375. 結構設計 ...............................38 ..........................................................................................................................39 ..................................................................................................40 I軸的設計 ..................................................................................42 II軸的設計 ..................................................................................42 III軸的設計 ................................................................................42 帶輪軸的設計 ............................................................................42 Ⅳ軸的設計 ................................................................................43 ..................................................................................43 主軸組件設計 ............................................................................43精密車床主軸箱及變速箱系統(tǒng)設計3 ..................................................................................................................44 ......................................................................................................................44 潤滑與密封 .................................................................................................................................45 其他問題 .....................................................................................................................................45 ....................................46 ....................................47 ................................471．概述機床課程設計，是在學習過課程《機械系統(tǒng)設計》之后進行的實踐性教學環(huán)節(jié)。其目的在于通過機床運動機械變速傳動系統(tǒng)的結構設計，使學生在擬定傳動和變速的結構方案過程中，得到設計構思，方案分析，結構工藝性，機械制圖，零件計算，編寫技術文件和查閱技術資料等方面的綜合訓練，樹立正確的設計思想，掌握基本的設計方法，并培養(yǎng)學生具有初步的結構分析，結構設計和計算能力。精密車床主軸箱及變速箱系統(tǒng)設計4本次課程設計任務是CM6132車床主傳動設計。由于CM6132 車床是精密、高精密加工車床，要求車床加工精度高，主軸運轉可靠，并且受外界，振動，溫度干擾要小，因此，本次設計是將車床的主軸箱傳動和變速箱傳動