Differences between revisions 14 and 86 (spanning 72 versions)
Revision 14 as of 2017-04-01 17:22:42
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Revision 86 as of 2017-07-07 13:19:40
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Editor: MarkBarton
Comment:
Deletions are marked like this. Additions are marked like this.
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2017-04-03 [[../ToDoOld|Archived To-Do Items]]
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== Facilities (mostly full team) ==
 * Clean up after floor work.
[[#EveryWeek |Every Week]]

[[#ComingWeeks |Coming Weeks]]

[[#RealBSHang|Preparation for Real BS Hang]]

[[#SRPrepTasks|Preparation for SR Installation]]

<<Anchor(EveryWeek)>>

== Every Week ==
=== Facilities ===
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 * Get stuff from [[../WishList]]
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== PI Move ==
 * General prep
  * Decide if air shower needs to be moved.
  * Triple-check dimensions around second-floor parking spot for PI; decide best place for pallet.
  * Check for obstacles along path around -X side of cleanbooth.
  * Find/clean Saito-sensei's PI lifting adapter and any needed fasteners.
  * Check both crane remote controls (clean and dirty) are charged.
 * Prepare PI for moving.
  * Remove accelerometers and store safely.
  * Remove large weights. (How? With forklift at last minute? Where to?)
  * Remove arc weights (move some to second floor, wrap rest for storage).
  * Attach lifting plates.
  * Wrap with clingwrap, cover with spare cleanbag.
  * Remove old cabling from PI to rack.
 * Prepare second floor for receiving PI.
  * Clean and clingwrap pallet.
  * Find metal plates and/or duckboards for on top of pallets.
  * Move BS cables on -Y side of tank off top of beam.
  * Find shims (about 75 mm high) to put on beam where cables were, to help support pallet.
 * Clear path to remove PI with forklift.
  * Move any obstacles identified previously.
  * Shutdown BS/PR2 racks and move electrical cables.
  * Move any stored items on -Y side of portable cleanroom.
  * Move portable cleanroom towards -Y.
  * Move worktables from next to BS/PR2 racks.
 * Move PI
  * Disconnect fan cables, curtain (Miyoki-san).
  * Unzip ceiling panel.
  * Crane pallet into cleanbooth.
  * Lay foil on pallet.
  * Forklift PI to -X,+Y corner of cleanbooth
  * Crane PI into clean booth.
 * Cleanup
  * Zip up ceiling panel.
  * Reconnect fan cables, curtain (Miyoki-san).
  * Replace tables near BS/PR2 racks
  * Move portable cleanroom back to original spot.
  * Re-lay electrical cables.
  * Power up racks.
<<Anchor(ComingWeeks)>>
== Coming Weeks 2017-07-03 ==
=== Facilities ===
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== Continue PI Prep ==
 * Finish reattaching repaired LVDT coil(s) and redoing connectors with correct gender.
 * Install fishing rod.
 * Find table, weights, etc for use with LBB blade bending jigs.
 * Install LLB blades.
 * Install LLB blade units in PI.
=== 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.
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== Hanging BF/IRM/IM/RM/BS (mostly Mark, Fabian, Perry) ==
 * Reroute in-vacuum cables up to SF level; add in-vacuum extension cables if necessary.
 * Test SF LVDT.
 * Test SF fishing rod stepper.
== BS Prism/Flag gluing ==
 * --(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.)--
 * --(Get 5 mm prisms cut down to 3 mm (ATC, Hirata-san).)--
 * --(Get magnet jigs remade (ATC).)--
 * Clean magnet jigs, prisms (Hirata).
 * Assemble (with glue) magnet jigs. (Mark)
 * Glue flags/prisms.
  
=== Electronics ===
 * Document LVDT driver rebuild and other changes.
 * Fix #0 LVDT actuator coil.
 * Get pico drive screens fixed (Miyo-kun)
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== Electronics (mostly Enzo, Mark) ==
 * Make more anti-feedthrough adapters.
 * Add retaining screws to cables at feedthroughs (mostly done, needs finishing).
 * Work with Miyo-kun to get pico drivers added to BS rack and screens
 * Update E1503600 with DIO card for HPCDs, etc, etc.
 * Decide final length for BS OSEM cables (Enzo, Mark, Fabian)
 * Send list of required in-vacuum cables to Takahashi-san
=== 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.


<<Anchor(RealBSHang)>>
== 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 [[https://dcc.ligo.org/LIGO-T1100378/public|LIGO-T1100378]]).
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 * Make spreadsheet on Google Docs or the like with in-vacuum cable inventory (Hirata)

== Real-time and SUMCON models (mostly Perry, Mark) ==
 * Get Perry (and Enzo) set up with SUMCON.
 * Update SUMCON model of full BS.
 * Do cut-down SUMCON model of just payload hanging from fixed BS.
 * Compare measured TFs to cut-down model(s).
 * 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.
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<<Anchor(SRPrepTasks)>>

== SR Prep Tasks ==
=== Design/Purchasing ===
 * Do rough mass budget for SR2/SR3/SRM.
 * Design SR assembly frame.
 * Design final SF ballast masses (Fabian).

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

  • 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.

  • Get 5 mm prisms cut down to 3 mm (ATC, Hirata-san).

  • Get magnet jigs remade (ATC).

  • Clean magnet jigs, prisms (Hirata).
  • Assemble (with glue) magnet jigs. (Mark)
  • Glue flags/prisms.

Electronics

  • Document LVDT driver rebuild and other changes.
  • 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)