Technical Data and Characteristics
Speed-torque diagrams
1FT6 Synchronous Motors
3-40 Configuration Manual, (PFT6), 10.2005 Edition, 6SN1197-0AD02-0BP1
Table 3-20 1FT6086 natural cooling
1FT6086
Technical data Code Units -AF7 -AH7
Engineering data
Rated speed n
N
rpm 3000 4500
Number of poles 2p 8 8
Rated torque (100 K)
M
N(100 K)
Nm 18.5 12
Rated current (100K)
I
N
A 13 12.6
Stall torque (60K)
M
0(60 K)
Nm 22.4 22.4
Stall torque (100K)
M
0(100 K)
Nm 27 27
Stall current (60K)
I
0(60 K)
A 13.3 18.9
Stall current (100K)
I
0(100 K)
A 16.4 23.3
Moment of inertia (with brake)
J
mot
10
–4
kgm
2
79.6 79.6
Moment of inertia (without brake)
J
mot
10
–4
kgm
2
66.5 66.5
Optimum operating point
Optimum speed
n
opt
rpm 3000 3500
Optimum power
P
opt
kW 5.81 6
Limiting data
Max. permissible speed (mech.)
n
max
rpm 7900 7900
Maximum torque
M
max
Nm 90 90
Maximum current
I
max
A 71 102
Physical constants
Torque constant
k
T
Nm/A 1.65 1.16
Voltage constant
k
E
V/1000 rpm 105 74
Winding resistance at 20 °C
R
ph
Ohm 0.31 0.15
Rotating field inductance
L
D
mH 3.8 1.8
Electrical time constant
T
el
ms 12.3 12
Shaft torsional stiffness
c
t
Nm/rad 65000 65000
Mechanical time constant
T
mech
ms 2.3 2.2
Thermal time constant
T
th
min 45 45
Weight with brake m kg 29 29
Weight without brake m kg 25.5 25.5
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