Differences between revisions 1 and 88 (spanning 87 versions)
⇤ ← Revision 1 as of 2017-03-12 19:19:05 →
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Editor: MarkBarton
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← Revision 88 as of 2017-07-07 20:10:24 → ⇥
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Editor: MarkBarton
Comment:
Deletions are marked like this. Additions are marked like this.
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To-Do List 2017-03-13 [[../ToDoOld|Archived To-Do Items]]
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== Facilities ==
 * Vacuum and roll floor (All)
 * Wipe ladders (All)
 * Tidy tools, parts (All)
 * Find missing light lent to Kokeyama-san (Mark)
 * Mark/photograph/count peeling patches on the floor.
 * Mark/photograph/count pillars with bare concrete bases.		 [[#EveryWeek |Every Week]]
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== Electronics == [[#ComingWeeks |Coming Weeks]]
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 * Wire up BF roll/pitch picos (Enzo)
 * Work with Miyo-kun to get pico drivers added to BS rack and screens (Enzo, Mark)
 * Grab remaining cables etc per E1605111 and update document (Enzo)
 * Update E1503600 with DIO card for HPCDs, etc, etc. (Enzo)
 * Decide final length for BS OSEM cables (Enzo, Mark, Fabian)
 * Send list of required in-vacuum cables to Takahashi-san (Enzo, Mark)
 * Debug 900 Hz noise on BF LVDT output (Enzo, Mark)
 * Debug excess noise on TM-H3 OSEM (Enzo, Mark)		 [[#RealBSHang|Preparation for Real BS Hang]]

[[#SRPrepTasks|Preparation for SR Installation]]

<<Anchor(EveryWeek)>>

== Every Week ==
=== Facilities ===
 * Vacuum and roll floor.
 * Wipe ladders.
 * Tidy tools, parts.
 * Get stuff from [[../WishList]]

<<Anchor(ComingWeeks)>>
== Coming Weeks 2017-07-03 ==
=== Facilities ===

=== Design/Documentation/Planning ===
 * Organize new OL for setting BS pitch.
 * 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.


<<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)  * 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.
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== PI Prep ==
 * Inspect PI, compare to CAD and 2D drawings (Hirata, Mark)
 * Identify missing PI parts (Hirata, Mark)
 * Find and reattach repaired LVDT coil(s) (???)		 <<Anchor(SRPrepTasks)>>
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== Hanging BF/IRM/IM/RM/BS ==
 * Correct orientation of SF cap (Mark, Fabian, Perry)
 * Correct orientation of SF (Mark, Fabian, Perry)
 * Find/attach cable clamps for SF (Fabian)

== Real-time and SUMCON models ==
 * Update SUMCON model of full BS (Perry?, Okitomi?, Mark?)
 * Do cut-down SUMCON model of just payload hanging from fixed BS (Perry?, Okitomi?, Mark?)
 * Compare measured TFs to cut-down model
 * 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).

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

  • Organize new OL for setting BS pitch.
  • 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)