A shaft with a shoulder fillet radius, r = 2 mm is loaded in a completely...

 

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A shaft with a shoulder fillet radius, r = 2 mm is loaded in a completely reversed stress such that M = 5 Nm and T = 9.9 Nm at the critical point. For the shaft, Sut = 1.4 GPa and a fully corrected endurance limit of S₂ =2.4 MPa is assumed. Given that d = 40 mm and D = 60 mm, determine the minimum acceptable diameter of the shaft using the DE-Goodman criterion. Give your answer in mm and to 3 significant figures. A shaft with a shoulder fillet radius, r = 2 mm is loaded in a completely reversed stress such that M = 5 Nm and T = 9.9 Nm at the critical point. For the shaft, Sut = 1.4 GPa and a fully corrected endurance limit of S₂ =2.4 MPa is assumed. Given that d = 40 mm and D = 60 mm, determine the minimum acceptable diameter of the shaft using the DE-Goodman criterion. Give your answer in mm and to 3 significant figures.

Answer rating: 100% (QA)

SOLUTION The DEGoodman criterion relates the alternating bending stress Sa and alternating axial str... View the full answer