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Moller 2013-12-13

Moller 2013-12-13. J. Bessuille. Further changes to carrier, analyzed as an assembly. Nov 7 (R5) Further modified Carrier, removed unnecessary material, made narrower and more machinable . Struts now mounted to brackets. 1.227 mm.

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Moller 2013-12-13

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  1. Moller 2013-12-13 J. Bessuille

  2. Further changes to carrier, analyzed as an assembly Nov 7 (R5) Further modified Carrier, removed unnecessary material, made narrower and more machinable. Struts now mounted to brackets. 1.227 mm Nov 7 (R6) Added material at us end between clamping plates  deflection gets worse. 1.286 mm

  3. Further changes to carrier, analyzed as an assembly Nov 7 (R7) Added 12.7 x 100 mm rib on both side faces 1.025 mm Nov 7 (R8) added more ribbing on spine 1.013 mm

  4. Further changes to carrier, analyzed as an assembly Nov 7 (R9) – includes upstream added material and side rib 1.055 mm Nov 7 (R10) Moved R supports outwards, moved end phi supports inwards 1.005 mm

  5. Further changes to carrier, analyzed as an assembly Nov 7 (R11) – includes upstream added material and side rib 0.931 mm

  6. Current Frame

  7. Current Frame

  8. Current Frame

  9. Strut Links Current Length: 450 mm

  10. Why not symmetry?

  11. Why not symmetry? • Simplified nomenclature – “left high”, “right middle”, or something more clever. • Eliminate 3/7 of all relevant numbers (forces, positional tolerances... Anything in x-y is simpler. Less error prone.) • ease of assembly – alignment will be easier to undertake. • Gravity sag cancels; effects due to gravity sag can be extracted • Improves systematics? • Additionally, placing one of the coils horizontal increases maximum gravity sag, since the thickness of the strongback in phi is limited and this orientation is hurt the most from this (due to h^3 nature of second area moment)

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