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Leaf Spring prototype preparation

Leaf Spring prototype preparation. M.Lenti. Reminder. Piet ’s proposal : two dowels inserted into two mirror holes ( vertical alignment ); mirror weight as counterbalance Two leaf springs ( horizontal alignment ); pretensioning in nominal “zero” position

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Leaf Spring prototype preparation

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  1. LeafSpringprototypepreparation M.Lenti

  2. Reminder • Piet’s proposal: twodowelsinsertedintotwomirrorholes (verticalalignment); mirrorweightascounterbalance • Twoleafsprings (horizontalalignment); pretensioning in nominal “zero” position • Piezoactuators out ofparticlesacceptance M.Lenti

  3. Piet’s proposal M.Lenti

  4. Carassitidrawings • Delivered on june 3 • Original (Piet’s) approach: center ofhorizontal rotation “on” the mirror • “inverted” approach: center ofhorizontal rotation “far” from the mirror • Bothtaken in consideration M.Lenti

  5. LeafspringSupport M.Lenti

  6. Aluminumclamper M.Lenti

  7. AluminiumDowel M.Lenti

  8. AluminiumLeaf Thickness: 0.5 mm Height: 200 mm M.Lenti

  9. AluminiumSupport M.Lenti

  10. DowelAluminiumPlate M.Lenti

  11. Piet’s correction June 17 M.Lenti

  12. New drawing F.Maletta Can bemounted in with the “original” or “inverted” approach M.Lenti

  13. Prototype situation • Aluminiumraw material arrived last week (!!!) • Executive drawingsready • Mechanicalworshop in Florencereadyforworking • Hopetohave the piecesmachinedbynext week M.Lenti

  14. Resonances • Estimatedby Vito • Glass: very low, just above 0 Hz • Supportstructure: 1° resonancearound 7.5 Hz M.Lenti

  15. Conclusions • A lotoftimelostfor material procurement • Hopetohave some results late in july… M.Lenti

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