Technical Data and Characteristics
Speed-torque diagrams
1FT6 Synchronous Motors
3-64 Configuration Manual, (PFT6), 10.2005 Edition, 6SN1197-0AD02-0BP1
Table 3-33 1FT6084 force ventilated
1FT6084
Technical data Code Units -8SH7 -8SK7
Engineering data
Rated speed n
N
rpm 4500 6000
Number of poles 2p 8 8
Rated torque (100 K)
M
N(100 K)
Nm 20.0 17.0
Rated current (100K)
I
N
A 24.5 25.5
Stall torque (60K)
M
0(60 K)
Nm 21.6 21.6
Stall torque (100K)
M
0(100 K)
Nm 26.0 26.0
Stall current (60K)
I
0(60 K)
A 21.0 29.0
Stall current (100K)
I
0(100 K)
A 26.0 35.0
Moment of inertia (with brake)
J
mot
10
–4
kgm
2
61.1 61.1
Moment of inertia (without brake)
J
mot
10
–4
kgm
2
48.0 48.0
Optimum operating point
Optimum speed
n
opt
rpm 4500 6000
Optimum power
P
opt
kW 9.42
10.68
Limiting data
Max. permissible speed (mech.)
n
max
rpm 7900 7900
Maximum torque
M
max
Nm 65 65
Maximum current
I
max
A86112
Physical constants
Torque constant
k
T
Nm/A 1.01 0.74
Voltage constant
k
E
V/1000 rpm 64 47
Winding resistance at 20 °C
R
ph
Ohm 0.18 0.1
Rotating field inductance
L
D
mH 2.0 1.2
Electrical time constant
T
el
ms 11.1 12.0
Shaft torsional stiffness
c
t
Nm/rad 76000 76000
Mechanical time constant
T
mech
ms 2.5 2.6
Thermal time constant
T
th
min 15 15
Weight with brake m kg 28.5 28.5
Weight without brake m kg 25.0 25.0
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