Differences between revisions 20 and 107 (spanning 87 versions)
⇤ ← Revision 20 as of 2017-05-09 16:46:26 →
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← Revision 107 as of 2017-08-11 14:27:36 → ⇥
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Editor: MarkBarton
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Deletions are marked like this. Additions are marked like this.
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../ToDoOld [[../ToDoOld|Archived To-Do Items]]

[[#EveryWeek |Every Week]]

[[#ComingWeeks |Coming Weeks]]

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

[[#SRPrepTasks|Preparation for SR Installation]]

<<Anchor(EveryWeek)>>
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=== Facilities (mostly full team) ===
 * Clean up after floor work.		 === Facilities ===
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 * Get stuff from [[../WishList]]
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== 2017-05-09 == <<Anchor(ComingWeeks)>>
== 2017-08-16 ==
=== Facilities ===
 * Move cardboard box with old BF to storage.
 * Tidy up Hirata-san's stuff in genkan of cleanbooth.
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=== Continue PI Prep ===
 * ''Find, install'' and wire up PI yaw stepper and bracket.
 * Decide pattern of SF damper ring magnets (48 pieces).
 * Install magnets on SF damper ring.
 * Wire up PI vertical fishing rod stepper.
 * Wire up PI horizontal fishing rod steppers.
 * Install and wire up geophones.

=== Hanging SF/BF/IRM/IM/RM/BS ===
 * Fix centering of SF/... section.
 * Remove PI again.
 * Do final trim of SF, fix LVDT if needed.
 * Remove Cu damper segment if necessary.
 * Lift PI and hang LBB damper ring.
 * Crane PI back in.
 * Install hex cable clamp on rod.
 * Re-hook SF/... section.		 === Design/Documentation/Planning ===
 * LBB ballast mass.
  * Research real payload.
  * Do improved mass budget.
 * Update BS Install Procedure with screenshots from new on-assembly-frame 3D CAD.
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 * Count used, unused, broken and needed in-vacuum cables and send data to Sato-san.
 * Debug SF LVDT.
 * Make PI vertical/yaw stepper in-air adapter cable.
 * Finish adding retaining screws to cables at feedthroughs.
 * ''Check connections in new geophone adapters'' and make unscrambler cables if necessary.
 * Decide final length for BS OSEM cables.		  * Return spare two Type5-2.2 cables to Sato-san's store.
 * Recable/test BF LVDT.
 * Rip out remaining old in-air cabling.
 * Lay new in-air cabling.
 * Reinstall LVDT chassis.

=== Main Assembly ===
 * Do final trim of IM/RM/TM.
 * Remove LBB blade assemblies from PI.
 * Remove LBB blades from holders.
 * Remove LBB rings.
 * Send rings for recleaning.

=== Time permitting ===

<<Anchor(RealBSHang)>>
== Real BS Hang Tasks ==
=== Major Tasks ===
 * Finish assembly drawing for LBB and LBB damper ring and post on JGWDoc (Hirata-san).
 * Get pico drive screens fixed (Miyo-kun)
 * Final ballast mass production for BF and SF (Hirata-san). (have quotes)
 * Design of receptacles for rods with 8 mm heads.
 * 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.

=== 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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== Real-time and SUMCON models ==
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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).

=== Electronics ===
 * Get cables/cards for SR3:
  * 5 DSub-37 cables (tent)
  * 5 DSub-15M to DSub-9M adapter cables (tent)
  * 3 DIO cards (tent)
  * 2 DSub-9 FF gender benders (for LVDTs)
  * extra ADC card(s)?
  * extra DAC card(s)?
  * BNC-LEMO adapter (for LVDTs)
  * etc

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

2017-08-16

Facilities

  • Move cardboard box with old BF to storage.
  • Tidy up Hirata-san's stuff in genkan of cleanbooth.

Design/Documentation/Planning

  • LBB ballast mass.
    • Research real payload.
    • Do improved mass budget.
  • Update BS Install Procedure with screenshots from new on-assembly-frame 3D CAD.

Electronics

  • Return spare two Type5-2.2 cables to Sato-san's store.
  • Recable/test BF LVDT.
  • Rip out remaining old in-air cabling.
  • Lay new in-air cabling.
  • Reinstall LVDT chassis.

Main Assembly

  • Do final trim of IM/RM/TM.
  • Remove LBB blade assemblies from PI.
  • Remove LBB blades from holders.
  • Remove LBB rings.
  • Send rings for recleaning.

Time permitting

Real BS Hang Tasks

Major Tasks

  • Finish assembly drawing for LBB and LBB damper ring and post on JGWDoc (Hirata-san).
  • Get pico drive screens fixed (Miyo-kun)
  • Final ballast mass production for BF and SF (Hirata-san). (have quotes)
  • Design of receptacles for rods with 8 mm heads.
  • 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.

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).

Electronics

  • Get cables/cards for SR3:
    • 5 DSub-37 cables (tent)
    • 5 DSub-15M to DSub-9M adapter cables (tent)
    • 3 DIO cards (tent)
    • 2 DSub-9 FF gender benders (for LVDTs)
    • extra ADC card(s)?
    • extra DAC card(s)?
    • BNC-LEMO adapter (for LVDTs)
    • etc

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