ERMB
Festo ERMB 2018-12a English
15
12
Technical specifications
ERMB-...
20
25
32
Constructional design
Electromechanical drive unit with toothed belt
Drive shaft diameter
[mm]
6
8
12
Hollow shaft diameter
[mm]
20
24
28
Rotation angle
endless
Repetition accuracy:
– with EMMS-AS
– with EMMS-ST
– with MTR-DCI
[°]
±0.03
±0.08
±0.05
Transmission ratio
4.5:1
4:1
3:1
Assembly position
as desired
Max. drive torque
[Nm]
0.7
2.2
8.5
Max. drive torque
1)
[Nm]
3.15
8.8
25.5
Idle drive torque
2)
[Nm]
< 0.07
< 0.18
< 0.5
Max. input speed
[1/min]
1350
1200
900
Max. drive take-off speed
[1/min]
300
Max. mass moment of
inertia of the work load
3)
[kgcm
2
]
< 200
< 1200
< 3700
Toothed belt spacing
[mm]
2
3
5
Ambient temperature
[°C]
–10 ... +60
Protection class
IP20
1)Drive take-off torque minus friction depends on speed
2) at maximum speed
3) Motor-dependent; measured with MTR-DCI-...-G14
