機械制造裝備課程設(shè)計一一普通車床主軸箱部件設(shè)計
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- 機械制造裝備課程設(shè)計--普通車床主軸箱部件設(shè)計1.課程設(shè)計任務(wù)書·····························································4
2.緒論·······································································6
3.設(shè)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(jié)構(gòu)的設(shè)計·····························································8
5.1 主變速方案擬定··························································8
5.2 變速結(jié)構(gòu)式、結(jié)構(gòu)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(jié)構(gòu)式的擬定······················································9
5.2.4 結(jié)構(gòu)網(wǎng)的擬定······················································9
5.2.5 結(jié)構(gòu)式的擬定·····················································10
5.2.6 結(jié)構(gòu)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(jié)構(gòu)設(shè)計··································································13
6.1 結(jié)構(gòu)設(shè)計的內(nèi)容、技術(shù)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(shè)計······················································14
6.4 齒輪塊設(shè)計·····························································14
6.5 傳動軸的設(shè)計···························································15
6.6 主軸組件設(shè)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(shè)計······························································18
7.1 帶輪的設(shè)計·····························································18
7.2 傳動軸的直徑估算·······················································21
7.2.1 確定各軸轉(zhuǎn)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(jié)構(gòu)的設(shè)計···················································29
7.5 帶輪結(jié)構(gòu)設(shè)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(shè)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(zhuǎn)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...