- 5 -
Gearboxes RN-RO-RV
Symbols
D
[mm]
PCD of transmission element k
(t)
F
r
[N]
Application radial load
F
r1
[N]
Catalogue radial load (input)
F
r2
[N]
Catalogue radial load (output)
F
r2b(x)
[N]
Permissible radial load at position "X" on output shaft. Based on bearing
lifetime.
F
r2s(x)
[N]
Permissible radial load same as F
r2b(x)
. Based on shaft bending and tor-
sional stress.
FS
Service
factor
i
n
Nominal reduction ratio
i
r
Actual reduction ratio
J
1
[kgm
2
]
Moment of inertia of the gearbox at gearbox input shaft
J
2
[kgm
2
]
Moment of inertia of the application
J
m
[kgm
2
]
Moment of inertia of the motor
k
(a)
Mass acceleration factor
k
(t)
Transmission element factor
Lub H / V [l]
Lubricant (litres)
H - In-line mounting / V - 90 degree mounting
M
2
[Nm]
Gearbox maximum output torque
M
(app)
[Nm] Application
torque
n
1
[min
-1
] Input
speed
n
2
[min
-1
] Output
speed
P
1
[kW] Input
power
P
(kg)
[kg]
Weight: for mounting B3H and average reduction ratio
= 0.96
- 2 stages
= 0.94
- 3 stages
(app)
2
M
M
FS
2
1
2
n
P
9550
M
9550
n
M
P
2
2
1