11.2 Motor characteristics
Mounting situation
All motor characteristics apply for the following mounting
situation:
Ambient temperature 20 °C
Coil temperature 40 °C
Stator screwed to steel plate with
Total surface of 0.016 m
Specific heat capacity of 460 J/kgK (at 20 °C)
Specific thermal conductivity 30 W/mK (at 20 °C)
Speed/torque characteristic
Speed [rpm]
HEIDENHAIN | Betriebsanleitung SRP 5000 | 5/2017
2
T
at DC 48V
P
T
at DC 48V
C
Motor characteristics
Peak torque T
p
Rated torque T
c
Stall torque T
s
Standstill speed n
s
Maximum speed n
max
Torque constant K
t
Back-emf constant K
u
Motor constant K
m
Electrical resistance R20
(at 20 °C)
Electrical inductance L1
Maximum current I
p
Rated current I
c
Stall current I
s
Max. rated power loss
Max. DC-link voltage
Number of poles
Electrical connection
Connection
Cable diameter
Cable length
Pin layout
Number of phases
2.70 Nm
0.385 Nm
0.253 Nm
0.013 rpm
300 rpm
0.668 Nm/A
rms
0.397 V
/(rad/s)
rms
0.181 Nm/√W
9.06 Ω
2.42 mH
4.24 A
rms
0.688 A
rms
0.487 A
rms
6.94 W
DC 48 V
20
M12 (4 pin, male)
Ø 7 .0 mm
≤ 5 m
see "K", page 153
3
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