Siemens MASTERDRIVES MC 1FK7 - Page 68

Technical Data and Characteristics
Speed-torque diagrams 1FK7 HD
1FK7 Synchronous Motors
3-40 Configuration Manual (PFK7), 10/2005 Edition, 6SN1197-0AD06-0BP1
Table 3-20: 1FK7085 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
A7.0
Stall torque (60K)
M
0(60K)
Nm 17
Stall torque (100K)
M
0(100K)
Nm 22
Stall current (60K)
I
0 (60K)
A 16.5
Stall current (100K)
I
0 (100K)
A 22.5
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 2500
Optimum power
P
opt
kW 3.14
Limiting data
Max. permissible speed (mech.)
n
max
RPM 6000
Max. torque
M
max
Nm 35
Peak current
I
max
A80
Physical constants
Torque constant
k
T
Nm/A 0.96
Voltage constant
k
E
V/1000 RPM 63
Winding resistance at 20 °C
R
ph
Ohm 0.12
Rotating field inductance
L
D
mH 3.3
Electrical time constant
T
el
ms 27.5
Shaft torsional stiffness
c
t
Nm/rad 83000
Mechanical time constant
T
mech
ms 0.9
Thermal time constant
T
th
min 65
Weight with brake m kg 25.7
Weight without brake m kg 23.5