steel shaft can be manufactured as a circular rod with a solid body or a circular tube. The shaft is required to bear a torsion moment of 1200 N.m. The shear safety stress for the shaft material is 40 MPa, the largest permitted unit torsion angle in the bar is 0.75º/m. The shear modulus of steel is G=78 GPa. a) Find the required diameter d0 for a solid circle shaft. b) Find the required outer diameter d2 for a ring-section shaft with a thickness in tenths of the outer diameter. c) Find the diameter ratio (d2/d0 ratio) and the weight ratio for ring cross section and solid section shafts.
steel shaft can be manufactured as a circular rod with a solid body or a circular tube. The shaft is required to bear a torsion moment of 1200 N.m. The shear safety stress for the shaft material is 40 MPa, the largest permitted unit torsion angle in the bar is 0.75º/m. The shear modulus of steel is G=78 GPa. a) Find the required diameter d0 for a solid circle shaft. b) Find the required outer diameter d2 for a ring-section shaft with a thickness in tenths of the outer diameter. c) Find the diameter ratio (d2/d0 ratio) and the weight ratio for ring cross section and solid section shafts.
International Edition---engineering Mechanics: Statics, 4th Edition
4th Edition
ISBN:9781305501607
Author:Andrew Pytel And Jaan Kiusalaas
Publisher:Andrew Pytel And Jaan Kiusalaas
Chapter4: Coplanar Equilibrium Analysis
Section: Chapter Questions
Problem 4.153P: Repeat Prob. 4.152 assuming that the 400-kN force is applied at O instead of L.
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A steel shaft can be manufactured as a circular rod with a solid body or a circular tube. The shaft is required to bear a torsion moment of 1200 N.m. The shear safety stress for the shaft material is 40 MPa, the largest permitted unit torsion angle in the bar is 0.75º/m. The shear modulus of steel is G=78 GPa.
a) Find the required diameter d0 for a solid circle shaft.
b) Find the required outer diameter d2 for a ring-section shaft with a thickness in tenths of the outer diameter.
c) Find the diameter ratio (d2/d0 ratio) and the weight ratio for ring cross section and solid section shafts.
Transcribed Image Text:dz
10
Op.
(a)
(b)
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