- 机械设计手册:单行本·常用设计资料(第六版)
- 成大先主编
- 7字
- 2024-12-21 15:31:26
5 常用力学公式
5.1 运动学、动力学基本公式
运动学基本公式
表1-1-80
![](https://epubservercos.yuewen.com/2456E1/16499785105920306/epubprivate/OEBPS/Images/img00115002.jpg?sign=1739307226-yys5CUCyjqcireuDZcQD5PpKFto4NVOC-0-ce1786f1e2ea5e38702cdc3f712262ff)
![](https://epubservercos.yuewen.com/2456E1/16499785105920306/epubprivate/OEBPS/Images/img00116001.jpg?sign=1739307226-QCIiqiWYzvjnrsR55lU19gScRi9yJ2on-0-7bc03e14b02bc2cf756465aa11104f5e)
动力学基本公式
表1-1-81
![](https://epubservercos.yuewen.com/2456E1/16499785105920306/epubprivate/OEBPS/Images/img00116002.jpg?sign=1739307226-vZEg418DblZjqqkNk41mznmjCdhzDUHB-0-9d11533a236f7449f7c17751b3ecbc31)
![](https://epubservercos.yuewen.com/2456E1/16499785105920306/epubprivate/OEBPS/Images/img00117001.jpg?sign=1739307226-DgcIpAdSgz5hD56zIfz7TEl5lqaKKZEz-0-19ba6195714592e77c597eacd04581de)
转动惯量
表1-1-82 机械传动中转动惯量的换算
![](https://epubservercos.yuewen.com/2456E1/16499785105920306/epubprivate/OEBPS/Images/img00118001.jpg?sign=1739307226-PqJZzoFC2xdYTmVfCWiK8fyqgFG3RCsw-0-ce53b638a3fb6e90881ed1e4ca766f5b)
一般物体旋转时的转动惯量
J——对某回转轴的转动惯量;A——图形面积;V——图形体积;m——质量;——惯性半径;O——重心(个别重心符号另有注明);
——重心坐标
![](https://epubservercos.yuewen.com/2456E1/16499785105920306/epubprivate/OEBPS/Images/img00119003.jpg?sign=1739307226-djuxkiDDCGdEhOVRrRlTRccTXUZrYJnQ-0-7cc9b6c9c395e5c0c3ebbe5ac0ea99ff)
![](https://epubservercos.yuewen.com/2456E1/16499785105920306/epubprivate/OEBPS/Images/img00120001.jpg?sign=1739307226-9kULEi1W8ryszrCektaW4iaqbm7B91ZM-0-36b60e1f939993367844529eb273a913)
![](https://epubservercos.yuewen.com/2456E1/16499785105920306/epubprivate/OEBPS/Images/img00121001.jpg?sign=1739307226-7QcWy8BiSVs0iuCfl5kNYooZUW6cq3JB-0-cb502cd771759009f704379052d659d6)
![](https://epubservercos.yuewen.com/2456E1/16499785105920306/epubprivate/OEBPS/Images/img00122001.jpg?sign=1739307226-mlvxCOIoS1CmWk0U6FcNl5VXFojBpm9H-0-6429e3230fe4d47ec33de6aafe3d1220)
![](https://epubservercos.yuewen.com/2456E1/16499785105920306/epubprivate/OEBPS/Images/img00123001.jpg?sign=1739307226-cL69bHYvv1QIWKHUpNiyUyDjYbZzgGF5-0-52d4c2a6e4059d8c4f8e73c8af53e7b6)
![](https://epubservercos.yuewen.com/2456E1/16499785105920306/epubprivate/OEBPS/Images/img00124001.jpg?sign=1739307226-FdNi0sf96tjAjEN4tl3zPzNDSf2pDsnW-0-cbeb08d48d40a9026ee3fe483918cbc2)
![](https://epubservercos.yuewen.com/2456E1/16499785105920306/epubprivate/OEBPS/Images/img00125001.jpg?sign=1739307226-I0WT7XYWMaPtMwnWXI6JFPSizKQeXDF5-0-6c28baad51beaccb6f9e9b3b9e13b54a)
常用旋转体的转动惯量
表1-1-84
![](https://epubservercos.yuewen.com/2456E1/16499785105920306/epubprivate/OEBPS/Images/img00126001.jpg?sign=1739307226-HGwwvsXXrivb2s8WSNAd8YPSVRerX3Bc-0-1f55bfdf1209d420b787a87979372956)
注:表中部分零件只给出主要尺寸,计算出的转动惯量是近似的。