SCHUNK ERT 12, Перевод оригинального руководства по эксплуатации

Страница: 70 / 96

Technical data
70 05.00 | ERT 12 / 50 / 300 | Translation of Original Operating Manual | en | GAS0406665
3.4 Basic data
Designation ERT
12 50 300
Mechanical operating data
Weight [kg]
without brake
with brake
2.4 (2.55)*
2.7 (2.85)* 5.74 (6.12)*
6.46 (6.84)* 19.5 (20.9)*
23.8 (25.2)*
Dimensions [mm] 181 x 64 235 x 85 374 x 110
Center bore [Ø in mm] 25 42 92
Ambient temperature [°C]
Min.
Max.
+5
+40
Protection class IP 40 (54)
Noise emission [dB(A)] ≤ 70
Range of rotation [°] > 360
Repeat accuracy [°] ** 0.01
Permissible operating mode S1 - continuous operation
Specifications for the integrated motor
Motor type Synchronous
Circuit Star
Temperature sensor (type) PT1000
Max. permissible operating temperature
of the torque motor [°C] +95
Insulation class Class A DIN 57530
Intermediate circuit voltage U
ZK
[V] 560
Intrinsic inertia [kg x m
2
] 0.0007 0.0039 0.05529
Rated torque M
n
[Nm]
without brake
with brake 1.52
1.4
7.8
7.04
32
31
Peak torque [Nm] 4.17 20.1 76
Rated current I
n
[A
eff
]
without brake
with brake 1.04
0.96 2.7
2.44
4.4
4.2
Peak current I
max
[A
eff
] 3.27 8.54 14
Torque constant K [Nm/A
eff
] 1.46 2.89 7.27
Max. speed of rotation n
max
[RPM] 600 350 150
Winding resistance (phase-phase) R20 [Ω] 16.6 4.68 3.75
Winding inductivity (phase-phase) R20
[mH] 14.6 11.8 32
Number of pole pairings N 14 14 21
M
y
[Nm] (static/service life) max. ** 24 48 313