Technical Data and Characteristics
Speed-torque diagrams
1FT6 Synchronous Motors
3-70 Configuration Manual, (PFT6), 10.2005 Edition, 6SN1197-0AD02-0BP1
Table 3-36 1FT6105 force ventilated
1FT6105
Technical data Code Units -8SB7 -8SC7
Engineering data
Rated speed n
N
rpm 1500 2000
Number of poles 2p 8 8
Rated torque (100 K)
M
N(100 K)
Nm 59.0 56.0
Rated current (100K)
I
N
A 21.7 28.0
Stall torque (60K)
M
0(60 K)
Nm 54.0 54.0
Stall torque (100K)
M
0(100 K)
Nm 65.0 65.0
Stall current (60K)
I
0(60 K)
A 17.8 24.2
Stall current (100K)
I
0(100 K)
A 21.9 30.0
Moment of inertia (with brake)
J
mot
10
–4
kgm
2
199 199
Moment of inertia (without brake)
J
mot
10
–4
kgm
2
168 168
Optimum operating point
Optimum speed
n
opt
rpm 1500 2000
Optimum power
P
opt
kW 9.27
11.73
Limiting data
Max. permissible speed (mech.)
n
max
rpm 5600 5600
Maximum torque
M
max
Nm 140 140
Maximum current
I
max
A81110
Physical constants
Torque constant
k
T
Nm/A 2.97 2.18
Voltage constant
k
E
V/1000 rpm 189 139
Winding resistance at 20 °C
R
ph
Ohm 0.35 0.19
Rotating field inductance
L
D
mH 7.5 4.1
Electrical time constant
T
el
ms 21.0 22.0
Shaft torsional stiffness
c
t
Nm/rad 113000 113000
Mechanical time constant
T
mech
ms 2.0 2.0
Thermal time constant
T
th
min 20 20
Weight with brake m kg 50 50
Weight without brake m kg 45.5 45.5
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