The gearbox
lifetime calculation is the expected lifetime for the internal
gears with 90% reliability.
|
Symbol
|
Description
|
Units
|
|
L10h
|
Expected lifetime with 90%
reliability
|
hours
|
|
L10N
|
Rated lifetime for the rated speed and
torque
|
hours
|
|
nN
|
Rated speed for rated lifetime
|
rpm
|
|
nm
|
Mean speed of application
|
rpm
|
|
TN
|
Rated torque for rated lifetime
|
Nm
|
|
Tm
|
Mean torque of application
|
Nm
|
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