Specifications
Information: Drawings are not to scale.
Values at nominal voltage |
Nominal voltage |
70 V |
No load speed |
2690 rpm |
No load current |
125 mA |
Nominal speed |
2480 rpm |
Nominal torque (max. continuous torque) |
836 mNm |
Nominal current (max. continuous current) |
3.53 A |
Stall torque |
12200 mNm |
Stall current |
49.7 A |
Max. efficiency |
89 % |
Characteristics |
Terminal resistance |
1.41 Ω |
Terminal inductance |
0.644 mH |
Torque constant |
245 mNm/A |
Speed constant |
38.9 rpm/V |
Speed / torque gradient |
0.223 rpm/mNm |
Mechanical time constant |
3.13 ms |
Rotor inertia |
1340 gcm² |
Thermal data |
Thermal resistance housing-ambient |
1.3 K/W |
Thermal resistance winding-housing |
1.85 K/W |
Thermal time constant winding |
123 s |
Thermal time constant motor |
1060 s |
Ambient temperature |
-30...+100 °C |
Max. winding temperature |
+125 °C |
Mechanical data |
Bearing type |
ball bearings |
Max. speed |
5500 rpm |
Axial play |
0 mm, at radial load < 25 N |
|
0.1 mm, at radial load > 25 N |
Radial play |
0.03 mm |
Max. axial load (dynamic) |
70 N |
Max. force for press fits (static) |
420 N |
(static, shaft supported) |
12000 N |
Max. radial load |
350 N, 15 mm from flange |
Other specifications |
Number of pole pairs |
2 |
Number of commutator segments |
26 |
Number of autoclave cycles |
0 |
Product |
Weight |
2100 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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