Question

ASTM grade 30 cast iron, Sut = 214 MPa, Suc 752 MPa Fy= 1.2 KN Fx -2.5 KN Fz 3 KN All the dimensions are in millimeters, and due to the fillet radius existing on the shaft the critical point is A Find the factor of safety using Coulomb Mohr failure model. 300 35 380 Fx

Answer 1

P85 PATE PAGE fola Rxperience Cnd tra svense e a bending otsion Both bending and torsiomal Shear stress masimuna at auder susPace he transvesse nhaas ill be rert masle and be hanue can be natected Now 349 Sress dua to eanding Lading Shres wil ke podued b F2 anly 3X10 x 300 X2S6 2X 2Sx2gx2s Nou I 14.667MPG Nou Stress duue to toa n will he de to y Tr *2 J 12メ10 X 380x2S × 3 A 118.633 MPg direct shes due to Nov マ.5 810 XA mPa

DATE PAGE Nous to tal IM.667 I27 15.910 MPa Any 198632 mPa IS.910 + S.910 146.632 2 2 7.97 t 8.8YS 6 156.815 -140-87S Colblomb tailure mode Now A t Sut Sue fbs I56-815 (-140 873 R14 Fos 833 Fos