Technical Data and Characteristics
Speed-torque diagrams
1FT6 Synchronous Motors
3-108 Configuration Manual, (PFT6), 10.2005 Edition, 6SN1197-0AD02-0BP1
Table 3-56 1FT6086, water cooled
1FT6086
Technical data Code Units -8WH7 -8WK7
Engineering data
Rated speed n
N
rpm 4500 6000
Number of poles 2p 8 8
Rated torque (100 K)
M
N(100 K)
Nm
45
44
Rated current (100K)
I
N
A
53
58
Stall torque (60K)
M
0(60 K)
Nm 39 39
Stall torque (100K)
M
0(100 K)
Nm 47 47
Stall current (60K)
I
0(60 K)
A4248
Stall current (100K)
I
0(100 K)
A5259
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
4500
6000
Optimum power
P
opt
kW 21.2
27.6
Limiting data
Max. permissible speed (mech.)
n
max
rpm 7900 7900
Maximum torque
M
max
Nm 90 90
Maximum current
I
max
A122
141
Physical constants
Torque constant
k
T
Nm/A 0.91 0.80
Voltage constant
k
E
V/1000 rpm 58 51
Winding resistance at 20 °C
R
ph
Ohm 0.096 0.072
Rotating field inductance
L
D
mH 1.3 0.95
Electrical time constant
T
el
ms 13.5 13.2
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 1.5 1.5
Weight with brake m kg 29.5 29.5
Weight without brake m kg 26 26
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