Siemens MASTERDRIVES MC 1FK7 - Page 64

Technical Data and Characteristics
Speed-torque diagrams 1FK7 HD
1FK7 Synchronous Motors
3-36 Configuration Manual (PFK7), 10/2005 Edition, 6SN1197-0AD06-0BP1
Table 3-18: 1FK7064 HD
Technical data Code Units –7AF71 –7AH71
Engineering data
Rated speed n
N
RPM 3000 4500
Number of poles 2p 6 6
Rated torque (100K)
M
N(100K)
Nm 8.0 5.0
Rated current
I
N
A7.57.0
Stall torque (60K)
M
0(60K)
Nm 9.0 9.0
Stall torque (100K)
M
0(100K)
Nm 12 12
Stall current (60K)
I
0 (60K)
A8.512
Stall current (100K)
I
0 (100K)
A1115
Moment of inertia (with brake)
J
mot
10
–4
kgm
2
6.84 6.84
Moment of inertia (without brake)
J
mot
10
–4
kgm
2
6.5 6.5
Optimum operating point
Optimum speed
n
opt
RPM 3000 3500
Optimum power
P
opt
kW 2.51 2.75
Limiting data
Max. permissible speed (mech.)
n
max
RPM 6000 6000
Max. torque
M
max
Nm 32 32
Peak current
I
max
A3142
Physical constants
Torque constant
k
T
Nm/A 1.03 0.77
Voltage constant
k
E
V/1000 RPM 68 51
Winding resistance at 20 °C
R
ph
Ohm 0.35 0.18
Rotating field inductance
L
D
mH 10.7 5.6
Electrical time constant
T
el
ms 30.5 31.1
Shaft torsional stiffness
c
t
Nm/rad 30000 30000
Mechanical time constant
T
mech
ms 0.64 0.59
Thermal time constant
T
th
min 55 55
Weight with brake m kg 16.8 16.8
Weight without brake m kg 15.5 15.5