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在张丝的拉应力作用下,所引起动框的变形,导致被拉紧的缓冲弹片的挠度减少。弹片的挠度fh见图1所示,等于[1.2] fh=f_1+f_2=(Pa_1~3/3EJ_1)+(Ma~2/2EJ)或者fh=(Pa_1/Eh~3M)((4a_1~2/b_1)+(6a~2/b))……(1)
Under the tensile stress of the filaments, the deformation of the moving frame is caused, which leads to the decrease of the deflection of the tensioned elastic shrapnel. Shrapnel deflection fh is shown in Figure 1, which is equal to [1.2] fh = f_1 + f_2 = (Pa_1-3 / 3EJ_1) + (Ma ~ 2 / 2EJ) or fh = (Pa_1 / Eh ~ 3M) / b_1) + (6a ~ 2 / b)) (1)