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941_Mechanics Homework Mechanics of Materials Solution

941_Mechanics Homework Mechanics of Materials Solution -...

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Unformatted text preview: 8.25 The solid shaft AB rotates at 600 rpm and transmits 80 kW from the motor M PROBLEM 8'26 to a machine tool connected to gear E Knowing that I,“ = 60 MPa, detennine the smallest permissible diameter of sliafi AB. 120 mm 8.26 Solve Prob. 8.25 assuming that shaft AB rotates at 720 rpm T160 mm SOLUTION A '73; 1913 mm "P __ 72.0 PPM _ [2 H ‘ ; ' GOseclv-um ‘- z __ P _ SONGS _ . T ‘ :TnT 121001) ‘ 106LO N'm —— GearC F;=Tp‘: _ 1061.0 E" some" , 13-252. >210“ N Gear 3) '— Forces in \lerl‘l'cup Plane Mc2 =(l20*10'3X.-75E) = “mo. N-m Mm" Jig—iv!“ - 477.4 N-m Forces in Florian-n+4 inflame. FD)? Masts— an 636.6 N-m .JMdl-t- M331“ 3 l65‘hfl an' A+D: Mf+ M:+T‘ = [88‘]? N-m _ (JME: + M, if)”, _ 1336.3 _ 3Luqaxlo4 M3 17.1. — 60 v [0‘ ' azisuco‘m cl = 2:. = 54.3uzo'3m : 59.3 m». 4 D II ...
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