Gearbox
9.3 Motors with helical and bevel gearboxes
Synchronous Motors 1FK7
Configuration Manual, (PFK7S), Edition 12.2006, 6SN1197-0AD16-0BP1
211
9.3.2 Selection and ordering data
Explanations of designations in the tables "Selection and ordering data"
Code Unit Description
P
2
[kW] Mechanical power output at the gearbox shaft (in S3 duty)
n
2
[1/min] Gearbox output speed referred to the input speed of the motor of
n1 = 3000 rpm for a horizontal gearbox shaft output
M
2
[Nm] Rated gearbox output torque in S3 duty
M
2max
[Nm] Max. permissible accelerating torque of the gearbox
i
nom
Nominal gearbox ratio (approximate value as decimal number)
i
exact
Exact gearbox ratio (specified as a fraction for parameter entry in the
drive converter)
F
rpermiss
[N] Max. perm. cantilever force on gear shaft end
f
B
Gearbox overload factor (quotient between the max. permissible
accelerating torque and stall torque of the motor and ratio)
Gearbox size Designation of gearbox type and size
C = Helical gear
F = Offset shaft gear
K = Bevel gear
S = Worm gear
SH Motor frame size (1FK7 motors are available in frame sizes 36, 48, 63,
80 and 100)
Order codes The Order codes define the gearbox type, size,
ratio and mechanical design
Weight [kg] Total weight of the geared motor
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