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機械制造裝備課程設計一一普通車床主軸箱部件設計

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更新時間：2013-01-09
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機械制造裝備課程設計--普通車床主軸箱部件設計1.課程設計任務書·····························································4
2.緒論·······································································6
3．設計計算···································································6
　　3.1車床的規(guī)格系列和用處···················································6
　　3.2操作性能要求···························································7
4.主動參數(shù)參數(shù)的擬定·························································7
　　4.1 確定傳動公比φ·························································7
　　4.2 主電動機的選擇·························································7
5.變速結構的設計·····························································8
　5.1 主變速方案擬定··························································8
　5.2 變速結構式、結構網(wǎng)的選擇·················································8
　　　5.2.1 確定變速組及各變速組中變速副的數(shù)目································8
　　　5.2.2 變速式的擬定······················································9
　　　5.2.3 結構式的擬定······················································9
　　　5.2.4 結構網(wǎng)的擬定······················································9
　　　5.2.5 結構式的擬定·····················································10
　　　5.2.6 結構式的擬定·····················································10
　　　5.2.7 確定各變速組變速副齒數(shù)···········································11
　　　5.2.8 繪制變速系統(tǒng)圖···················································13
6.結構設計··································································13
　6.1 結構設計的內(nèi)容、技術要求和方案··········································13
　6.2 展開圖及其布置·························································14
　6.3 I軸（輸入軸）的設計······················································14
　6.4 齒輪塊設計·····························································14
　6.5 傳動軸的設計···························································15
　6.6 主軸組件設計···························································16
　　　6.6.1 各部分尺寸的選擇·················································16
　　　6.6.2 主軸材料和熱處理·················································16
　　　6.6.3 主軸軸承·························································17
　　　6.6.4 主軸與齒輪的連接·················································18
　　　6.6.5 潤滑與密封······················································18
　　　6.6.6 其他問題·························································18
7.傳動件的設計······························································18
　7.1 帶輪的設計·····························································18
　7.2 傳動軸的直徑估算·······················································21
　　　7.2.1 確定各軸轉速·····················································21
　　　7.2.2傳動軸直徑的估算：確定各軸最小直徑································22
　　　7.2.3 鍵的選擇·························································23
　7.3 傳動軸的校核···························································23
　　　7.3.1 傳動軸的校核·····················································23
　　　7.3.2 鍵的校核·························································24
　7.4 各變速組齒輪模數(shù)的確定和校核···········································24
　　　7.4.1 齒輪模數(shù)的確定···················································24
　　　7.4.2 齒寬的確定·······················································28
　　　7.4.3 齒輪結構的設計···················································29
　7.5 帶輪結構設計···························································30
　7.6 片式摩擦離合器的選擇和計算·············································31
　7.7 齒輪強度校驗···························································33
　　　7.7.1 校核a變速組齒輪·················································33
　　　7.7.2 校核b變速組齒輪·················································35
　　　7.7.3 校核c變速組齒輪·················································36
　7.8 軸承的選用與校核·······················································37
　　　7.8.1 各軸軸承的選用···················································37
　　　7.8.2 各軸軸承的校核···················································37
8.主軸組件設計······························································39
　8.1 主軸的基本尺寸確定·····················································39
　　　8.1.1 外徑尺寸D·······················································39
　　　8.1.2 主軸孔徑d·······················································39
　　　8.1.3 主軸懸伸量a·····················································40
　　　8.1.4 支撐跨距L·······················································40
　　　8.1.5 主軸最佳跨距L0的確定············································41
　8.2 主軸剛度驗算···························································43
　　　8.2.1 主軸前支撐轉角的驗算·············································44
　　　8.2.2 主軸前端位移的驗算···············································45
9.心得體會及參考文獻························································47...

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