Siemens MASTERDRIVES MC 1FK7 - Selection and Ordering Data

1FK7 Synchronous Motors
Configuration Manual (PFK7), 10/2005 Edition, 6SN1197-0AD06-0BP1 5-9
Gearboxes
Helical and angled gearboxes
5.2.2 Selection and ordering data
5.2.2.1 Explanation of the designations in the selection tables
P
2
kW Mechanical power output at the gearbox shaft (in S3 duty)
n
2
rpm 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. permissible cantilever force at the end of the gearbox
shaft, referred to a motor speed of 3000 rpm
f
B
Gearbox overload factor (quotient between the max. permissi-
ble accelerating torque and stall torque of the motor and ratio)
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 implementation
Weight kg Total weight of the geared motor