压,剪物Axial Tension&Compression,shear) (2)校核剪切强度 Fs=F 57×103 T= A bl 20x100×106=28.6MPa≤J (3)校核挤压强度 57×103 Abs Ih/2 100x6×10-6=95.3MPa≤[oJ 综上,键满足强度要求(Axial Tension & Compression,shear) 综上,键满足强度要求. (2)校核剪切强度 (3)校核挤压强度 = = = = − 28.6MPa 20 100 10 57 10 6 3 bl F A FS FS = F bs bs bs = . MPa = = = − 95 3 100 6 10 57 10 2 6 3 l h F A F Me d F b h l A