Specifications
Information: Drawings are not to scale.
| Values at nominal voltage |
| Nominal voltage |
70 V |
| No load speed |
2760 rpm |
| No load current |
27.4 mA |
| Nominal speed |
2470 rpm |
| Nominal torque (max. continuous torque) |
452 mNm |
| Nominal current (max. continuous current) |
1.89 A |
| Stall torque |
4340 mNm |
| Stall current |
17.9 A |
| Max. efficiency |
92 % |
| Characteristics |
| Terminal resistance |
3.9 Ω |
| Terminal inductance |
2.83 mH |
| Torque constant |
242 mNm/A |
| Speed constant |
39.5 rpm/V |
| Speed / torque gradient |
0.638 rpm/mNm |
| Mechanical time constant |
3.78 ms |
| Rotor inertia |
565 gcm² |
| Thermal data |
| Thermal resistance housing-ambient |
3.59 K/W |
| Thermal resistance winding-housing |
1.24 K/W |
| Thermal time constant winding |
71.6 s |
| Thermal time constant motor |
1510 s |
| Ambient temperature |
-30...+100 °C |
| Max. winding temperature |
+125 °C |
| Mechanical data |
| Bearing type |
Waelzlager |
| Max. speed |
9500 rpm |
| Axial play |
0 mm, at radial load < 11.5 N |
|
0.1 mm, at radial load > 11.5 N |
| Radial play |
0.03 mm |
| Max. axial load (dynamic) |
30 N |
| Max. force for press fits (static) |
150 N |
| (static, shaft supported) |
6000 N |
| Max. radial load |
110 N, 15 mm from flange |
| Other specifications |
| Number of pole pairs |
1 |
| Number of commutator segments |
15 |
| Number of autoclave cycles |
0 |
| Product |
| Weight |
1100 g |
| | | Continuous operation range
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| | | Short term operation range
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Description
maxon DC motors are high-quality motors fitted with powerful permanent magnets. The “heart” of the motor is the worldwide patented ironless rotor. For you, this means cutting-edge technology in compact, powerful and low inertia drives.
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