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Solar Array Drive Assembly (SADA)
Type SADA-1-2-2-2B SADA is designed with lightweight method. And it is the lightest SADA which is developed and applied in the practical engineering by SAST.The mechanism has 4-level maturity. It is applied successfully in satellites, Lunar exploration and deep-space detection. The product design life can be over 5 years(LEO). It can be promoted and widely applied on driving solar array of spacecrafts.
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1. Specifications |
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Total transmission current |
45A |
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Transmission voltage |
50V |
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Number/ Current of power channel |
18×5A |
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Number/ Current of signal channel |
21×0.25A |
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Driving velocity |
0~0.6°/s |
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Range of rotation angle |
±360° |
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Driving torque |
≥4Nm |
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Mass |
7.4kg |
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Dimension |
Φ166×265mm |
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Lifetime |
5a |
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2. Suitability |
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Temperature |
-20～+50℃ |
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Sine Sweeping Vibration |
5~100Hz, 10.0g |
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Random vibration |
20~2000Hz, 12.82grms |
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Acceleration test |
radial direction 10g, axial direction 2g |
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Shock test |
40g |