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QUAD Testing Outline, Phase 2B Fiber Lower “half” Build-up and Testing

QUAD Testing Outline, Phase 2B Fiber Lower “half” Build-up and Testing. M. Barton, B. Bland, D. Cook, J. Kissel, N. Robertson, J. Romie, T. Sadecki, for the SUS team. G1100769-v2. Jargon. Lower “half” / Upper “half” “Metal” or “Wire” hang vs. “Glass” or “Fiber” hang Fiducials / References

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QUAD Testing Outline, Phase 2B Fiber Lower “half” Build-up and Testing

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  1. QUAD Testing Outline, Phase 2BFiber Lower “half” Build-up and Testing M. Barton, B. Bland, D. Cook, J. Kissel, N. Robertson, J. Romie, T. Sadecki, for the SUS team G1100769-v2

  2. Jargon • Lower “half” / Upper “half” • “Metal” or “Wire” hang vs. “Glass” or “Fiber” hang • Fiducials / References • Parallelism / Differential Pitch • PUM and TST, RPUM and RMCP

  3. Order of Operations TEST MASS CHAIN Re-test, (as needed) Re-anneal Fibers (as needed) DC Alignment Checks Install Glass TST Install Ring Heater Remove Metal PUM and TST Mass Install Glass PUM Weld & Anneal Fibers Install Fiber Guard, Central Fin Suspend TST Only, Single Pendulum Full Characterization Suspend PUM Only, Perfom DC Prism Checks Functionality Test RH Full Metal QUAD on BSC ISI Metal Triple Hang Both Chains Remove First Contact from Surface 2 Separate Chains Marry two chains DC Alignment Checks Functionality Test ESD, UIM, PUM AOSEMS Re-Install to full QUAD on BSC ISI Suspend RMCP, DC Prism Checks Remove Metal RMCP Mass Lace ESD Cables up Chain DC Alignment Rubbing Checks Install Glass RMCP Remove First Contact from Surface 1 On to Phase 2C REACTION MASS CHAIN

  4. Full Metal QUAD on BSC-ISI • Install IAS Retro-reflector on Cage • Gather fiducials of metal hang on BSC-ISI • Height between PUM and TST • Yaw of PUM and TST

  5. Detach Lower “Half,” move to Triple Hang Tooling • Lock Down Both Chains • Prepare LSAT • Detach lower half cabling fom reaction chain

  6. Separate Chains • Move separated chains from LSAT to leveled granite / optical table

  7. TEST MASS CHAINRemove Metal PUM and TST

  8. TEST MASS CHAINInstall and Test Ring Heater • Test ring heater functionality

  9. TEST MASS CHAINInstall Glass PUM • DC Alignment checks

  10. TEST MASS CHAINSuspend PUM, Check DC Alignment • With UIM to PUM Blades EQ stopped, free up PUM • Check prism functionality • Compare DC alignment to metal references • Redo loops, as necessary • Re-lock PUM

  11. TEST MASS CHAINInstall Glass Test Mass

  12. TEST MASS CHAINWeld and Anneal Fibers

  13. TEST MASS CHAINFull Fiber Single Pendulum Characterization • With PUM still on line stops, Unlock TST • Check DC Alignment, compare against metal references • Check PUM / TST Surface 1 parallelism / differential pitch • Measure Pitch and Yaw modes w/ spectra of optical lever • Measure Vertical and Violin Modes with shadow sensor

  14. TEST MASS CHAINInstall Fiber Gaurds

  15. REACTION MASS CHAINRemove Metal RMCP

  16. REACTION MASS CHAINInstall Glass RMCP • Check ESD functionality / electrical properties up to cable break off before installing • Continuity • Capacitance

  17. REACTION MASS CHAINSuspend RMCP, Check DC Alignment • Check DC alignment against references • Check prism functionality • Redo loops if necessary

  18. REACTION MASS CHAINLace Up RMCP Cables • Check ESD functionality / electrical properties at RMCP Break off (again) • Lace cables up through remainder of the reaction chain • Check ESD functionality / electrical properties at top the chain

  19. Marry Chains • Remove First Contact from Test Mass’ Surface 2 (AR Coating), and RMCP Surface 1 (AR / Gold Coating)

  20. Reinstall to full QUAD on BSC ISI

  21. DC Alignment, Rubbing Checks of Both Chains

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