Input split hub design |
Symbol |
Unit |
Shaft |
Hub |
Nominal torque to transmit |
T |
N.m |
800.00 |
Nominal axial force |
Fa |
kN |
1.250 |
Application factor |
KA |
-- |
1.25 |
Outside diameter |
do |
mm |
60.00 |
-- |
Inside diameter |
di |
mm |
0.00 |
60.0 |
Length of contact surface |
LF |
mm |
-- |
80.0 |
Roughness of contact surface |
Ra |
µm |
0.800 |
1.600 |
Hint for fit and tolerance |
T |
-- |
p7 |
H8 |
Number of bolts |
nb |
-- |
4 |
Minimum safety factor on slip |
Srmin |
-- |
1.40 |
Rotation speed |
N |
rpm |
0 |
Contact surface condition |
-- |
-- |
ungreased |
Load classification |
-- |
-- |
uniform |
Bolt strength class |
-- |
-- |
8.8 |
Calculation |
Symbol |
Unit |
Shaft |
Hub |
Stick coefficient |
νru |
-- |
0.160 |
Required contact pressure |
pFreq |
N/mm² |
30.4 |
Required bolt load force |
Fbreq |
N |
36498 |
Bolt diameter |
db |
mm |
M12 |
Bolt load force |
Fb |
N |
41400 |
Bolt tightening torque |
Tb |
N.m |
71.00 |
Contact pressure by bolt force |
pF |
N/mm² |
34.5 |
Contact pressure limit |
pFP |
N/mm² |
127.0 |
182.0 |
Safety factor on contact pressure |
SF |
-- |
3.68 |
5.28 |
Slip torque |
Tr |
N.m |
1588 |
Safety factor on transverse slip |
Sru |
-- |
1.59 |
Axial slip force |
Frl |
kN |
2.481 |
Safety factor on axial slip |
Srl |
-- |
1.59 |
Slip torque at given speed |
TrN |
N.m |
1588 |
Outside diameter |
do |
mm |
60.0 |
120.0 |
Minimum contact length |
LFbal |
mm |
45 |
Stress at contact diameter |
Symbol |
Unit |
Shaft |
Hub |
Tangential stress |
σtF |
N/mm² |
-34.5 |
58.0 |
Radial stress |
σrF |
N/mm² |
-34.5 |
-34.0 |
Comparison stress |
σvF |
N/mm² |
34.5 |
80.6 |
Safety factor on plastic flow |
SFF |
-- |
11.01 |
3.97 |
Stress at inside | outside diam |
Symbol |
Unit |
Shaft |
Hub |
Tangential stress |
σti,o |
N/mm² |
-34.5 |
23.0 |
Radial stress |
σri,o |
N/mm² |
-34.5 |
0.0 |
Comparison stress |
σvi,o |
N/mm² |
34.5 |
23.0 |
Safety factor on plastic flow |
SFi,o |
-- |
11.01 |
13.91 |
Contraction - expansion |
Symbol |
Unit |
Shaft |
Hub |
On outside - | inside diameter |
Δdo|Δdi |
µm |
-7 |
24 |
On inside - | outside diameter |
Δdi|Δdo |
µm |
0 |
16 |