TourTour geometric stress concentration factor
 
Grooved shaft in bending
  Bending moment in grooved section M Nm
  Yield strength Rp0.2 MPa
  Ratio endurance strength σe/Rp0.2 -
  Shaft diameter d/D -
  Stress concentration factor Kt -
 
 Shaft diameter d mm
 Shaft diameter D mm
 
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