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Engineering & Manufacturing / Aviation & Space

Mirror positioning

Laboratory equipment for satellite assembly

Task:

A mirror with a diameter of 1,080 mm is to be manually positioned in two axes to +-2 arcsec.

Challenge:

The mirror weighs 315 kg, and its own weight already warps the flat surface beyond the specification.

CEMEC’s solution:

  • Development of a special suspension to keep the curvature below 15 nanometers
  • Manufacture of a high-precision, play-free adjustment unit with a gearbox for rapid traverse

Scope of services of CEMEC:

  • Development 100% / In-house production 70% (without mirror)
  • Cleaning and packaging in our own cleanroom
  • Assembly and commissioning at the customer’s site

Added value for the customer:

  • Complete design and FEM calculation at CEMEC
  • One-stop support from experts

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