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226_Mechanics Homework Mechanics of Materials Solution

226_Mechanics Homework Mechanics of Materials Solution -...

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Unformatted text preview: 3.80 Three shafls and four gears are used to form a gear train which will transmit power fiom the motor at A to a machine tool at F. (Bearing for the shafts are omitted in the sketch.) The diameter of each shafi is as follows: d”, = 16 mm, dCD = 20 mm, dEF= 28 mm. Knowing that the frequency of the motor is 24 Hz and that the allowable shearing stress for each shafi is 75 MPa, determine the maximum power that can be transmitted. PROBLEM 3.80 SOLUTION ‘15 MPa. -— 751mb“ Po. CA3 = J' a!“ = o‘oos to vet. Cr: m = 31-: CO-ooSUSC‘ISxIO‘) = 90.311 N-m 271183753, -: 211' (243(603Iq) = CMOon‘W 7i!" (0.0lo)3(75'arlo‘) = 117.31 u-m E 1 7.” wo’w LJLJ Maugham alpovwlde Page» is ‘Hu. sin-«fly “P.” = 7Jmo‘v = 7.nkw _ Fl ? A ‘1 MLMJQ ...
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