RESULTS 
Parameter 
Value 
Unit 
Dimensional Parameters 
Max. shaft outer diameter [d_{so_max}] 



Min. shaft outer diameter [d_{so_min}] 


Max. hub inner diameter [d_{hi_max}] 


Min. hub inner diameter [d_{hi_min}] 


Limit values for diametrical interference (minimum and maximum diametrical
interference values before assembly. Not include rotation, thermal, poisson's
effects) [delta] 
Max 
Min 




Limit values for diametrical interference (minimum and maximum diametrical
interference values during operation. Includes rotation, thermal, poisson's
effects) [delta] 




Interference Parameters 
Minimum required interface pressure (interface pressure required to transmit
torque and force) [rpi] 



Limit values for resultant interface pressure due to diametrical interference
(pressure values for minimum and maximum interference condition) [P] 





Factor of safety against sliding [= P_{min}
/ rpi] [fos_{s}]* 


 
Assembly Parameters For Shrink Fit (For Max. Diametrical Interference) 
Required temperature of shaft for assembly if cooling shaft [T_{r,s}] 



Required temperature of hub for assembly if heating hub [T_{r,h}] 


Assembly Parameters For Press Fit 
Assembly force range to press fit for calculated interference range [Fpf] 
Max 
Min 






Hub Results (For Max. Diametrical Interference) 
Radial displacement of inner surface [u_{inner}] 


Radial press fit stress at inner diameter [σ_{r,pressure}] 


Circumferential pressfit stress at inner diameter [σ_{θ,pressure}] 

Axial stress from applied axial force [σ_{z}]


Shear stress from applied torque at inner diameter [τ] 

Max radial centrifugal stress [σ_{r,centrifugal}] 

Max circumferential centrifugal stress [σ_{θ,centrifugal}] 

Max Von Mises stress [σ_{mises}] 

Factor of safety against yielding of hub [fos_{y,h}]* 

 
Shaft Results (For Max. Diametrical Interference) 
Radial displacement of outer surface [u_{outer}] 


Radial press fit stress at outer diameter [σ_{r,pressure}] 


Circumferential pressfit stress at outer diameter [σ_{θ,pressure}] 

Axial stress from applied axial force [σ_{z}] 

Shear stress from applied torque at outer diameter [τ] 

Max radial centrifugal stress [σ_{r,centrifugal}] 

Max circumferential centrifugal stress [σ_{θ,centrifugal}] 

Max Von Mises stress [σ_{mises}] 

Factor of safety against yielding of shaft [fos_{y,s}]* 

 