The FPU baseplate was delivered today from Alimex, looking big and shiny and giving a worrying sense of scale for what is to come... The inspection report shows that the part meets the 10 micron profile tolerances on the FPU facets, which is extremely impressive considering the size and amount of material removal required. It … Continue reading FPM baseplate delivered
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Collimator mirror structure
Some of largest parts of MOONS so far have just arrived in Edinburgh from Italy! Thanks Arcetri! In the box lie the support structures for the collimator mirrors, one for each of the spectrographs. Each support structure alone weighs 70kg, and another 70kg for the mirrors themselves. We don't yet have the mirrors, although one … Continue reading Collimator mirror structure
FPM baseplate in manufacture
Pictures from a visit to see the Fibre Positioning Module baseplate being manufactured at Alimex GmbH in Willich, nr Dusseldorf. The plate is being machined on a massive DMU 270P 5-axis mill. The monolothic baseplate is made from ultra-stable 5080 ACP aluminium alloy. It has 1069 'facets' onto which the FPUs, acquisition cameras and fiducials … Continue reading FPM baseplate in manufacture
