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Production & QA of BOL chambers

This analysis focuses on the production and quality assurance of BOL chambers. It includes the comparison of Tomo and QA data, production status updates, and results analysis by Graziano Massaro (NIKHEF) and Martin Woudstra.

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Production & QA of BOL chambers

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  1. Production & QA of BOL chambers • Tomo results BOL0,2,3 • Comparison Tomo and QA data • Production status Graziano Massaro(NIKHEF)

  2. Xray Tomograph Site grid parameters from BOL0 Analysis of Martin Woudstra Results so-far (so-good!): Graziano Massaro(NIKHEF) s

  3. Include wire tension RMS Simple interpolation RMS along chamber Graziano Massaro(NIKHEF) s

  4. outer inner Spacer inner outer Closer Look BOL 0 • BOL 0,2,3 similar results: • Y pitch between inner tube layers significantly larger: 25 mm • Probably due to glue shrink of black glue DP490 ~1%o x0.7mm • also affects Y distance between ML: ~50 mm • Y pitch between outer tube layer close to design Graziano Massaro(NIKHEF) s

  5. RASNIK vs Tomograph Rasnik on Xplate • Study average Y,Z shifts of tube layers • For RASNIK: take average of two RASASS towers + account for effect of Xplate sag • For Tomograph: Results BOL0,2,3 from analysis M.Woudstra (NIKHEF) Graziano Massaro(NIKHEF) s

  6. Z shifts Graziano Massaro(NIKHEF) s

  7. Sag Compensation BOL2 Layer 1 Start: -15/2 um • During gluing of • layer 1 and 2, significant changes in Xplate sag were observed: • Instable reduction valves? • Effect of glue viscosity? End: -38/2 um Layer 2 Start: 30/2 um End: 50/2 um 1 deg Graziano Massaro(NIKHEF) s

  8. Y shifts Graziano Massaro(NIKHEF) s

  9. Tube Position (GL) vs Tomo Average Residuals from pre-glue laser checks 4 chambers, 6 layers Tomo Graziano Massaro(NIKHEF) s

  10. Production Status Graziano Massaro(NIKHEF) s

  11. Broken Wire Graziano Massaro(NIKHEF) s

  12. Graziano Massaro(NIKHEF) s

  13. Y Graziano Massaro(NIKHEF) s

  14. Z Graziano Massaro(NIKHEF) s

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