Technical Data and Characteristics
2.1 Speed–torque diagrams
Table 2-46
1FT6168 force ventilated
Technical data
Engineering data
Rated speed
Number of poles
Rated torque (100K)
Rated current (100K)
Standstill torque (60K)
Standstill torque (100K)
Standstill current (60K)
Standstill current (100K)
Moment of inertia (with brake)
Moment of inertia (without brake)
Optimum operating point
Optimum speed
Optimum power
Limiting data
Max. perm. speed (mech.)
Maximum torque
Maximum current
Physical constants
Torque constant
Voltage constant
Winding resistance at 20_C
Rotating field inductance
Electrical time constant
Shaft torsional stiffness
Mechanical time constant
Thermal time constant
Weight with brake
Weight without brake
1) only valid for MASTERDRIVES MC (AFE)
1FT6/2-136
1)
1FT6168
Code
Units
n
RPM
N
2p
M
Nm
N (100K)
I
A
N (100K)
M
Nm
0 (60K)
M
Nm
0 (100K)
I
A
0 (60K)
I
)
A
0 (100K
–4
2
J
10
kgm
mot
–4
2
J
10
kgm
mot
n
RPM
opt
P
kW
opt
n
RPM
max
M
Nm
max
I
A
max
k
Nm/A
T
k
V/1000 RPM
E
R
Ohm
ph
L
mH
D
T
ms
el
c
Nm/rad
t
T
ms
mech
T
min
th
m
kg
m
kg
Synchronous Servomotors, 1FT6 (PFT6) – 02.04 Edition
–8SB7
1500
8
540
174
510
600
165
194
––
3100
1500
85
3100
1200
479
3.09
203
0.02
0.69
35
431600
1.9
10
––
210
Siemens AG 2004 All rights reserved