Cone Joint Formulas for English Calculation

Taper ratio

Cone gradient

Cone medium diameter

Required pressure in the joint

Required pressing force

Strength check

p p A

where:

 

T

torque [lb ft]

 

d

small shaft diameter [in].

 

D

greater shaft diameter [in].

 

p

contact pressure in a joint [psi]

 

p A

allowable pressure [psi]

 

L

hub length [in]

  υ

clamping factor υ = 0.008 to 0.1 [-]

 

k s

slip safety [-]

 

F

force carried by one bolt [lb]

  ϕ

friction angle ϕ = arctg υ.