Siemens MASTERDRIVES MC 1FK7 - Page 70

Technical Data and Characteristics
Speed-torque diagrams 1FK7 HD
1FK7 Synchronous Motors
3-42 Configuration Manual (PFK7), 10/2005 Edition, 6SN1197-0AD06-0BP1
Table 3-21: 1FK7086 HD
Technical data Code Units –7AF71
Engineering data
Rated speed n
N
RPM 3000
Number of poles 2p 8
Rated torque (100K)
M
N(100K)
Nm 6.5
Rated current
I
N
A5.5
Stall torque (60K)
M
0(60K)
Nm 23.5
Stall torque (100K)
M
0(100K)
Nm 28
Stall current (60K)
I
0 (60K)
A17
Stall current (100K)
I
0 (100K)
A21
Moment of inertia (with brake)
J
mot
10
–4
kgm
2
25
Moment of inertia (without brake)
J
mot
10
–4
kgm
2
23
Optimum operating point
Optimum speed
n
opt
RPM 2000
Optimum power
P
opt
kW 3.77
Limiting data
Max. permissible speed (mech.)
n
max
RPM 6000
Max. torque
M
max
Nm 105
Peak current
I
max
A112
Physical constants
Torque constant
k
T
Nm/A 1.33
Voltage constant
k
E
V/1000 RPM 85
Winding resistance at 20 °C
R
ph
Ohm 0.12
Rotating field inductance
L
D
mH 3
Electrical time constant
T
el
ms 25
Shaft torsional stiffness
c
t
Nm/rad 83000
Mechanical time constant
T
mech
ms 0.47
Thermal time constant
T
th
min 65
Weight with brake m kg 25.7
Weight without brake m kg 23.5