Micro Planetary Gear — Technical data
The data provided below are based on the MPG-10 model size. Because Micromotion GmbH specialises in the development of customer or application specific micro gears and actuators, the data presented below are representative values which may vary in individual cases.
MPG-8 |
MPG-10 |
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Ratio |
40:1 |
80:1 |
40:1 |
80:1 |
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Rated torque |
mNm |
8 |
10 |
10 |
15 |
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Repeated peak torque |
mNm |
51 |
80 |
80 |
100 |
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Momentary peak torque |
mNm |
66 |
100 |
100 |
120 |
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Friction torque |
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Version for motor |
µNm |
73 |
75 |
95 |
100 |
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Version with input shaft |
µNm |
73 |
75 |
95 |
100 |
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Efficiency for rated operation |
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Version for motor |
% |
74 |
70 |
82 |
76 |
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Version with input shaft |
% |
64 |
60 |
72 |
65 |
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Rated input speed |
rpm |
10000 |
10000 |
10000 |
10000 |
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Max. input speed |
rpm |
30000 |
30000 |
30000 |
30000 |
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Output shaft |
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Max. radial load (static) |
N |
15 |
15 |
20 |
20 |
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Max. radial load (dynamic) |
N |
3 |
3 |
5 |
5 |
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Max. axial load |
N |
10 |
10 |
10 |
10 |
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Input shaft |
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Max. radial load (static) |
N |
5 |
5 |
5.5 |
5.5 |
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Max. axial load |
N |
10 |
10 |
10 |
10 |
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Moment of inertia |
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Version for motor |
gcm² |
13×10-4 |
13×10-4 |
38×10-4 |
38×10-4 |
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Version with input shaft |
gcm² |
38×10-4 |
38×10-4 |
60×10-4 |
60×10-4 |
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Weight |
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Version for motor |
g |
2.3 |
2.3 |
4.5 |
4.5 |
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Version with input shaft |
g |
3.6 |
3.6 |
5.7 |
5.7 |
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Repeatability |
arc min |
3 |
3 |
3 |
3 |
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| Torsional stiffness | Nm/rad | 2.3 | 3.9 | 2.5 | 3.8 | ||||||
Lost Motion |
arc min |
30 |
30 |
30 |
30 |
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