Question

The round shaft with a shoulder fillet is loaded statically as shown with F = 1000 lb, T = 500in-lb,and P = 1000 lb. All dimensions are in inches. Determine the factor of safety if the radius of curvature at the notch is r = 0.12 in, D = 1.8 in, d = 1.2 in and the material is a: a) 1035 hot rolled steel b) magnesium casting with Sut= 38 ksi and e = 3%

3.0 7.0

Answer 1

Solu tion iven F loo o(b d- 2

2 a) 1035 h trolled stee l toss hot rolled stel ductile を31 matna ductile make rial in static loaoln t n we neud not onidluud tha steun concentration acto becaue locatigd e Ca mal dia no 6xSOo t-2)

43.6 P : 4x1000-884-19 ph - 136.6 p

Small end dia por Chỉta/ man maximum sea Sress thuo max 2 x 13 319 b) 0 12 2 dl

bendingk, 63 tac tua n 169.9 a c 2166 2 actua 38Y3 2.69.9 902.9 Phh'