Siemens SIMOTICS S-1FT7 - Page 174

Technical data and characteristic curves
6.3 Data sheets and characteristics
S-1FT7 synchronous motors
172 Configuration Manual, 09/2018, A5E45099423B AA
Three-phase servomotor 1FT7064-5AK7
Technical specifications
Symbol
Unit
Value
Configuration data:
Rated speed
n
N
rpm
6000
Rated torque (100K)
M
N(100K)
Nm
2.9
Rated current (100K)
I
N(100K)
A
3.4
Static torque (100K)
M
0(100K)
Nm
9.0
Stall current (100K)
I
0(100K)
A
9.0
Static torque (60K)
M
0(60K)
Nm
7.7
Stall current (60K)
I
0(60K)
A
7.7
Optimum operating point
Optimum speed
n
opt
rpm
4500
Optimum power
P
opt
kW
2.59
Limiting data:
Max. permissible speed (mech.)
n
max mech
rpm
9000
Maximum torque M
max
Nm 36.0
Maximum current
I
max
A
45.0
Motor data:
No. of poles
2p
10
Torque constant (100K)
k
T
Nm/A
1
Voltage constant (at 20 °C)
k
E
V/1000 rpm
64.0
Winding resistance (at 20 °C)
R
Str
W
0.385
Rotating field inductance
L
D
mH
4.1
Electrical time constant
T
el
ms
11
Mechanical time constant
T
mech
ms
1.4
Thermal time constant
T
th
min
30
Moment of inertia
J
mot
kgm
2 ,
10
-4
11.9
Shaft torsional stiffness
c
t
Nm/rad
35000
Weight
m
mot
kg
9.7
Motor data with integrated brake:
Moment of inertia (with brake)
J
mot
kgm
2 ,
10
-4
14.7
Shaft torsional stiffness (with brake)
c
t
Nm/rad
26000
Weight (with brake)
m
Mot
kg
11.4
Data with SINAMICS S120 Booksize / S120 Booksize Compact
Rated converter current I
N Inv
A 9
Maximum converter current
I
max Inv
A
27
Max. torque (converter operation) M
max Inv
Nm 25.3
Max. permissible speed (converter operation)
n
max Inv
rpm
8000
The rated data are valid for a 600 V DC-link voltage