Estimate the torque required to produce a maximum shear stress of 570 MPa in a hollow shaft having...

Question

Estimate the torque required to produce a maximum shear stress of 570 MPa in a hollow shaft having an inner diameter of 20 mm and an outer diameter of 25 mm—see Figure P4.19.

David · Accepted Answer

Maximum shear stress for hollow shaft is given as 
      
 
 
  
Polar moment of inertia is given as 
   
 
  
(      ) 
   
 
  
(             ) 
To calculate the torque applied on the hollow shaft to produce 540 MPa shear stress is  
           
 
 
  
(             )

Estimate the torque required to produce a maximum shear stress of 570 MPa in a hollow shaft having an inner diameter of 20 mm and an outer diameter of 25 mm—see Figure P4.19.

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