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hw7_sol - Cénga'22 mm Fig" 93.1 and P32 ”retarr'nine...

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Unformatted text preview: Cénga/ '22 mm Fig" 93.1 and P32 ”retarr'nine the torque T that causas a maximum shearingstress of 3&5 steel cylindrical shaft shown. . The soiid spihdle AB has a diamaatsr d5 ~—~ 1.5 in, and is made of 8 "than allowabia shearing stress of 12 kgi, while sleeve CD is made of ith‘an allowable shearing stress of 7 ksi. Determine the largest torque an be applied at A" Fig. P3] and [33,8 3.70 in order to reance the total mass of the assembly Qf Prob,’ new design is being considered in which the diameter 0f siiaft BC w smaller. Deiermine the smallest diameter of shaft BC fer which the max; vaiue of the shearing stress in the assembiy will not increase, .132: ”’ 1* 5mm \L {A ” {it}; 3 e. 1‘ L. :szK) Cir?“ f3}; L i M J. 3 y i f a m in» ‘F me To [53,, \ .752 W e - w 3, r v r? 4E? i}, 5» jag)“ ‘ i «i; grief/«H 2 i” “" Ni}? ,3 {K I, [If , x R ’ , U {L m: “3x )5?er CW 514M”) J 4 r? 7/ 0 .WwM-"W‘ 4‘ ~ 1 u f. x) , «(we a a w” fig; 4;) v 'Qé 0" e» ,3 ”Mi/m ) , \ Mu I‘M .r-e' f'fik ’ 5 V ma; ”if; «3’; K {C A? ' L a\fi MWW"“”‘” ,5. 3 3E; Cmafl’ ‘ a 3 we eat imw TB = 1200 N A m TC = 400 N . m he solid shaft shéwn is formed of a brass for which tbs allowable is 55 MPa. Neglecfing the effect of stress concentrations; (16- B smallest diameters aim and a?“ for which the allowable S‘fleafifig 750 mm \ dB \ \‘\$\ 600 mm\\ ceededr LW.MJWW w, N “""mw-ng ,, ...
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