欧美日韩极品在线观看一区,精品人妻一区二区三区日产乱码,www.久久com

位置:首頁 > 機械課程設計

螺旋千斤頂說明書

文件大小：2.52 MB
下載次數(shù)：
文件評級：
更新時間：2014-12-16
發(fā) 布人：yufenfen853

文件下載：

文件介紹：
該文件為 doc 格式，下載需要 20 積分

螺旋千斤頂說明書1螺桿的設計與計算··················································································································3
1.1螺桿螺紋類型選擇····································································································3
1.2選取螺桿材料·············································································································3
1.3確定螺桿直徑·············································································································3
1.4自鎖驗算······················································································································3
1.5結構································································································································4
1.6螺桿強度計算·············································································································4
1.7穩(wěn)定性計算··················································································································5
1.7.1計算柔度·········································································································6
1.7.2計算穩(wěn)定性····································································································6
2螺母設計與計算······················································································································6
2.1選取螺母材料·············································································································6
2.2確定螺母高度H及螺紋工作圈數(shù)u······································································6
2.2.1求螺母高度H································································································7
2.2.2螺紋工作圈數(shù)u·····························································································7
2.2.3螺母實際高度H····························································································7
2.3校核螺紋牙強度·········································································································7
2.4結構要求······················································································································8
3托杯的設計與計算··················································································································8
4手柄設計與計算······················································································································9
4.1手柄材料····················································································································10
4.2手柄長度Lp···············································································································10
4.3手柄直徑dp···············································································································11
4.4結構·····························································································································11
5底座設計··································································································································12
參考資料·····································································································································13
...

文檔留言

更多..相關文檔

更多..最新文檔

更多..熱門文檔

欧美一区二区视频在线播放_亚洲国产精品v_亚洲精品ww久久久久久p站_欧美本精品男人aⅴ天堂_国产精品久久久久久久美男 _97久久中文字幕_日韩片欧美片_男女视频一区二区_国产精品初高中害羞小美女文_欧美亚洲国产怡红院影院