ME 116: MACHINARY DESIGN I
October 7 ,2009
Problem 1 (30 points)
Find the drop of the 500 lb weight. For aluminum
EA=l 0 .4 Mpsi and for brass EB=l Mpsi.
314 in dia.
F p=Wgn 5 00 t'b,
F As W 1 + ~ = / ~ ~ ~ + C O O n t S WF&
D c f / ~ c
M E 116: MACHINARY DESIGN I
Problem 1 (55 points)
1=10 in, a=12 in, d=1.6 in, F1=1200 lb (in -y direction),
F2=1000 Ib (in +z direction). Determine the applied and
principle stresses (normal and shear) at the points A and B.