Conditions for selecting gear units based on the service factor
The determined required service factor fB_req must be smaller than or equal to the service factor according to the selection tables.
|
or a |
|
The service factors in square brackets are only taken into account for specific conditions regarding the application and ambient conditions. Else, the value is 1.
fB | – | Service factor |
fB_req | – | Required service factor |
fB_L | – | Application service factor |
fB1 | Service factor for helical-worm gear units only, based on ambient temperature | |
fB2 | Service factor for helical-worm gear units only, based on cdf | |
fB3 | Low temperature service factor, only applies to ambient temperatures of < -30 °C | |
Ma | Nm | Output torque |
Mamax | Nm | Maximum output torque |
