Question

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nter 2) ?wo MIO ×1.5 BOLTS ARE USED IN THIS F/XTURE THE FIXTURE AND BOLTS ARE STEEL MATERIA L CALCULATE THE FATIGUE 5AFETY FACTORUSING GODMAN LRITERIA AND ININITE LIFE MIN PRELDAD MAx 25 000 N L 80 MM SPRING RATE FoR THE FIXTURE CAN BE BASED ON A CYLINDER WITH OUTER DIAM OF 2× BOLT DIAM AND THREAD LEh4? CAN BE ASSUMED NE4-E GIBLE FOR KBCALCU CATION Se BoLT 140 /

Answer 1

mori,s BoLTs ARE USED IN This fır1oRE Pie load (uo)5000 Stess dus to Pie ood Co) 95000 x (10) 25000 (o.195) (100) 950 318 u ulm min 6200

u62 Soo N 442 Soo . u,32230 tol (101 36700 oo 19620 610010 m min stiess 620o 36

3 max stiess (on) 1318/ .6 + S881.6 2 stress (ov) , 18181, 6-5811.เ 2 Accondin man Fs S U Sc PS 9od I1O 13.36 SS. 900 69,26