【正文】 傳動比 .......................................................................................................2 3. 計算傳動裝置各軸的運動和動力參數 ........................................................................2 三、 傳動零件的設計計算 ...................................................................................................3 1． 高速級齒輪設計 .....................................................................................................3 1) 齒面接觸疲勞強度設計 ......................................................................................3 2) 齒根彎曲疲勞強度校核 ......................................................................................5 2. 低速級齒輪設計 ........................................................................................................6 1) 按齒面接觸疲勞強度設計 ..................................................................................6 2) 校核齒根彎曲疲勞強度 ......................................................................................7 四、 軸的校核計算 ..............................................................................................................7 1． 計算各軸最小直徑 ..................................................................................................7 2． 軸的結構設計 .........................................................................................................8 3． 軸的受力分析及繪制彎矩轉矩圖 .............................................................................8 1) I軸的受力簡圖 ...................................................................................................9 2) II軸的受力簡圖 ................................................................................................ 10 3) III軸的受力簡圖 .............................................................................................. 11 4． 軸的強度校核 ....................................................................................................... 12 1) I軸校核 ........................................................................................................... 12 2) II軸校核 .......................................................................................................... 14 3) III軸校核 ......................................................................................................... 15 五、 滾動軸承的選擇和基本額定壽命的計算 ..................................................................... 16 1． 滾動軸承的選擇 ................................................................................................... 16 2． 軸承壽命校核 ....................................................................................................... 16 六、 鍵的選擇和鍵連接的強度計算 ................................................................................... 17 七、 聯軸器選擇 ............................................................................................................... 18 八、 嚙合件及軸承的潤滑方法、潤滑劑牌號及裝油量 ....................................................... 18 九、 密封方式的選擇 ........................................................................................................ 18 十、 減速器的附件及其說明 .............................................................................................. 18 1． 通氣器 ................................................................................................................. 18 2． 油面指示器 .....