Technical Data and Characteristics
Speed-torque diagrams 1FK7 HD
1FK7 Synchronous Motors
3-28 Configuration Manual (PFK7), 10/2005 Edition, 6SN1197-0AD06-0BP1
3.3 Speed-torque diagrams 1FK7 HD
Table 3-14: 1FK7033 HD
Technical data Code Units –7AK71
Engineering data
Rated speed n
N
RPM 6000
Number of poles 2p 6
Rated torque (100K)
M
N(100K)
Nm 0.9
Rated current
I
N
A1.5
Stall torque (60K)
M
0(60K)
Nm 1.0
Stall torque (100K)
M
0(100K)
Nm 1.3
Stall current (60K)
I
0 (60K)
A1.7
Stall current (100K)
I
0 (100K)
A2.2
Moment of inertia (with brake)
J
mot
10
–4
kgm
2
0.3
Moment of inertia (without brake)
J
mot
10
–4
kgm
2
0.27
Optimum operating point
Optimum speed
n
opt
RPM 6000
Optimum power
P
opt
kW 0.56
Limiting data
Max. permissible speed (mech.)
n
max
RPM 10000
Max. torque
M
max
Nm 4.3
Peak current
I
max
A7.2
Physical constants
Torque constant
k
T
Nm/A 0.6
Voltage constant
k
E
V/1000 RPM 40
Winding resistance at 20 °C
R
ph
Ohm 3.7
Rotating field inductance
L
D
mH 18
Electrical time constant
T
el
ms 4.9
Shaft torsional stiffness
c
t
Nm/rad 8000
Mechanical time constant
T
mech
ms 0.83
Thermal time constant
T
th
min 25
Weight with brake m kg 3.4
Weight without brake m kg 3.1