Differences between revisions 83 and 84
⇤ ← Revision 83 as of 2017-07-06 09:18:41 →
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← Revision 84 as of 2017-07-06 10:25:27 → ⇥
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Editor: MarkBarton
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== Coming Weeks 2017-06-26 == == Coming Weeks 2017-07-03 ==
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    * Design final BF/SF ballast mass assuming BF can be made to work without rebuild (Fabian).  * Solve magic wand problem.
   * Try rearranging arc weights to make room for magic wand (3D CAD or actual weights; Fabian or Hirata-san).
   * If needed based on previous, order longer threaded rods for arc weights on PI (Hirata-san).
   * Alternatively, have magic wand cut down (Hirata-san).
 * Final ballast mass design for BF and SF.
  * --(Revised design (Fabian).)--
  * Do revised drawings (Hirata-san).
  * Decide final numbers.
  * Get quote.
  * Place order.
 * Final ballast mass for IM.
  * Final design (Fabian).
  * Drawings (Hirata-san).
  * Get quotes (Hirata-san)
  * Place order (Hirata-san).
 * --(Do version of 3D CAD with test-hang arrangement of suspension and LBB damper stuff (Hirata-san).)--
 * Do version of 3D CAD with final-hang arrangement of suspension and LBB damper stuff (Hirata-san).
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 * Do version of 3D CAD with test-hang arrangement of suspension and LBB damper stuff (Hirata-san).
 * Do version of 3D CAD with final-hang arrangement of suspension and LBB damper stuff (Hirata-san).		  * LBB ballast mass.
  * Research real payload.
  * Measure total load capacity (see Main Assembly section).
  * Do improved mass budget.
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 * --(Push Hirose-san to set exact date.)--
 * --(Organize NAOJ vehicle for Mitaka->Kashiwa)--		  * Get 5 mm prisms cut down to 3 mm (ATC, Hirata-san).
 * Get magnet jigs remade (ATC).
 * Assemble (glue) remade magnet jigs.
 * Clean magnet jigs, prisms.
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 * Collect all items required.
  * --(Mirror box.)--
  * --(Prisms.)--
  * --(Stub flags.)--
  * --(Magnets: SmCo, 2 mm diameter, 3 mm long)--
  * --(Prism jigs)--
  * --(Flag jigs)--
 * Glue magnets to flags, 2 N, 2 S.
 * --(Organize clean suits.)--
  * --(Make a list of people's sizes)--
  * --(Get Mark/Enzo to bring from Kamioka.)--

=== Main Assembly ===
 * --(Adjust pitch/yaw/vertical of dummy optic.)--
 * --(Crane tank lid on.)--
 * Start TFs.
  * Collect mirror, mirror box, tools etc from Kashiwa.
 * Ship mirror to Kamioka via Akabou.
 * Ship gluing tools to Kamioka via Yu-Pack.
 * Glue flags/prisms.
  
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 * --(Wash extra F-F gender benders.)--
 * --(Fix broken picomotor cable.)--
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 * --(Fix #0 LVDT actuator coil.)--  * Fix #0 LVDT actuator coil.
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 * --(Sort out naming convention for PI LVDTs, geophones and horizontal steppers.)--
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=== LSOL ===
 * --(Assist Simon with hardware installation of LSOL.)--
 * --(Assist Simon with modifications to realtime model for LSOL.)--		 === Main Assembly ===
 * Do TFs.
 * Experiment with rearranging arc weights to accommodate magic wand.
 * Remove arc weights; load onto LBB; measure total load capacity.
 * Unload arc weights and store.
 * Dismantle LBB and rings.
  * Remove screw feet.
  * Replace blocks.
  * Unhook.
 * Reinstall spacers and clamps on LBB damper rings.
 * Unhook rods supporting LBB intermediate ring.
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=== Real-time and SUMCON models ===
 * --(Derive and install PI LVDT matrices.)--
 * --(Check LSOL section of k1visbs model.)--
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--( * Final ballast mass design for BF and SF (Fabian).)--
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 * Prepare real BS:
  * --(Coordinate with Hirose-san)--.
  * Book transport of mirror (Kashiwa or Mitaka to KAGRA)
  * --(Gather mirror box, gluing supplies, prisms, magnets, new flags, new flag jigs)--.
  * Solve problem of lack of scribe line on one side of BS (Mark, Hirata-san).
  * --(Organize cleanroom gear for Kashiwa trip(s).)--
  * Put magnets in flags.
  * Glue flags/prisms at Kashiwa.
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 * Try rearranging arc weights to make room for magic wand (3D CAD or actual weights; Fabian or Hirata).
 * If needed based on previous, order longer threaded rods for arc weights on PI (Hirata).

VIS Type B Near Term To-Do List

Archived To-Do Items

Every Week

Coming Weeks

Preparation for Real BS Hang

Preparation for SR Installation

Every Week

Facilities

  • Vacuum and roll floor.
  • Wipe ladders.
  • Tidy tools, parts.

  • Get stuff from ../WishList

Coming Weeks 2017-07-03

Facilities

Design/Documentation/Planning

  • Solve magic wand problem.
    • Try rearranging arc weights to make room for magic wand (3D CAD or actual weights; Fabian or Hirata-san).
    • If needed based on previous, order longer threaded rods for arc weights on PI (Hirata-san).
    • Alternatively, have magic wand cut down (Hirata-san).
  • Final ballast mass design for BF and SF.

    • Revised design (Fabian).

    • Do revised drawings (Hirata-san).
    • Decide final numbers.
    • Get quote.
    • Place order.
  • Final ballast mass for IM.
    • Final design (Fabian).
    • Drawings (Hirata-san).
    • Get quotes (Hirata-san)
    • Place order (Hirata-san).

  • Do version of 3D CAD with test-hang arrangement of suspension and LBB damper stuff (Hirata-san).

  • Do version of 3D CAD with final-hang arrangement of suspension and LBB damper stuff (Hirata-san).
  • Finish assembly drawing for LBB and LBB damper ring and post on JGWDoc (Hirata-san).
  • LBB ballast mass.
    • Research real payload.
    • Measure total load capacity (see Main Assembly section).
    • Do improved mass budget.

BS Prism/Flag gluing

  • Get 5 mm prisms cut down to 3 mm (ATC, Hirata-san).
  • Get magnet jigs remade (ATC).
  • Assemble (glue) remade magnet jigs.
  • Clean magnet jigs, prisms.

  • Organize transport company for Kashiwa->Kamioka

  • Collect mirror, mirror box, tools etc from Kashiwa.
  • Ship mirror to Kamioka via Akabou.
  • Ship gluing tools to Kamioka via Yu-Pack.
  • Glue flags/prisms.

Electronics

  • Install new LVDT driver and set gains.
  • Document LVDT driver rebuild and other changes.

  • Debug all cabling!

  • Fix #0 LVDT actuator coil.
  • Get pico drive screens fixed (Miyo-kun)

Main Assembly

  • Do TFs.
  • Experiment with rearranging arc weights to accommodate magic wand.
  • Remove arc weights; load onto LBB; measure total load capacity.
  • Unload arc weights and store.
  • Dismantle LBB and rings.
    • Remove screw feet.
    • Replace blocks.
    • Unhook.
  • Reinstall spacers and clamps on LBB damper rings.
  • Unhook rods supporting LBB intermediate ring.

Real BS Hang Tasks

Major Tasks

  • Final ballast mass production for BF and SF (Hirata-san). (have quotes)
  • Design of receptacles for rods with 8 mm heads.

  • Get final OSEM cables (six of 1.7 m, two of 2.2 m, two of 2.4 m; Sato-san).

  • Possible rebuild of BF and/or SF
    • Set up build/test stand for filters.
    • Get filter test weights.
    • Find spare BF blade(s).
  • Reclean stuff:
    • PI (remove Kapton tape etc, etc).
    • LLB damper stuff, especially Cu segments.
  • Calibrate PI vertical LVDT.
  • Set yoke on PI vertical LVDT (if necessary).
  • Calibrate PI horizontal LVDTs.
  • Unlock BF keystone and try running BF fishing rod to fix sag problem.

Minor Tasks

Mechanical

  • Get clean bag laundered.
  • Put pointy-tipped screw in RM trolley for BS
  • Swap out temporary ballast mass in BF, SF.
  • Return/replace borrowed parts:
    • Lock washers for LBB dampers
    • Temporary ballast mass (dog clamps) in BF.
    • Wide-mouth OSEMs from RM to Akutsu-san
  • Adjust height of crossbars below BF.
  • If possible, fix galled pole in BF level of EQ stop.
  • Swap in new F0-SF maraging rod (with 8-mm heads) and new receptacles to match.
  • Check inside SF for lost ruler.
  • Tighten PI yaw return spring.
  • Get Cu O-rings for feedthroughs.

Electrical

  • Decide final in-vacuum and in-air cable routing (Enzo).
  • Calibrate all LVDTs (Enzo, Mark).
  • Remove cling wrap in BF and install vacuum-compatible heat shrink.
  • Remove cling wrap on connections for PI vertical stepper and install vacuum-compatible heat shrink (needs wider diameter heat shrink or smaller pins).
  • Rewire PI horizontal steppers with vacuum-compatible cable.
  • Adjust yoke on BF to put top of secondary at 6 mm above top of baseplate (or to give ≈0 counts at nominal height).

Real-time and SUMCON models

  • Create SUMCON models for full BS and major installation milestones.

  • Create controls design description (cf LIGO-T1100378).

  • Make table of ADC/DAC assignments and check for consistency with D1503600 and k1visbs (Enzo, Mark)
  • Understand/document/debug Kokeyama-san's DIO stuff.
  • Measure LPCD and HPCD output filter response.
  • Design and install software compensation filters for LPCD and HPCD output filters.
  • Design and install GAS drift compensation filters.
  • Create a proper DAC Monitor MEDM screen.
  • Improve ADC Monitor MEDM screen.

SR Prep Tasks

Design/Purchasing

  • Do rough mass budget for SR2/SR3/SRM.
  • Design SR assembly frame.
  • Design final SF ballast masses (Fabian).

KAGRA/Subgroups/VIS/TypeB/ToDoBS (last edited 2019-01-04 15:21:23 by MarkBarton)