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DTUsat-1: Structure
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The mechanical structure is built on a monolithic “wire-frame” cube, milled out of a solid piece of aluminum. It contains a likewise monolithic semi-cube, interconnecting all 4 main PCBs both electrically and mechanically. The PCBs are connected by soldering their edges together, creating a very sturdy structure with very high resonance frequencies, and minimizing the assembly within the satellite. The faces are laser cut from 1.5 mm aluminium, which is subsequently treated with Aludyne to create an electrical connection to the plasma environment. The faces are screw mounted for serviceability. The payload face is likewise monolithic, but milled from 2 mm aluminium, as it holds and fastens the payload assembly to the structure.