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Revision 51 as of 2017-06-19 10:15:18
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Revision 52 as of 2017-06-19 10:39:01
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Editor: MarkBarton
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[[../BSTestHangIssues|Issues to fix after BS Test Hang]] [[#RealBSHang|Preparation for Real BS Hang]]

[[#SRPrepTasks|Preparation for SR Installation]]
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== Major Tasks ==
 * Final ballast mass design/production for BF and SF (Fabian, Hirata-san).
 * 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 filter build/test stand.
  * Get filter test weights.
  * Find spare BF blade(s).
 * Prepare real BS:
  * Coordinate with Hirose-san.
  * Book transport of mirror (Kashiwa 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.
 * Reclean stuff:
  * PI (remove Kapton tape etc, etc).
  * LLB damper stuff, especially Cu segments.

== Minor Tasks ==
=== Mechanical ===
 * 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.
 * Calibrate all LVDTs.
 * 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).


== Longer Term ==

=== Design/Purchasing ===
 * Do rough mass budget for SR2/SR3/SRM.
 * Design SR assembly frame.
 * Get another D-Sub breakout (Hirata).
 * Design final SF ballast masses (Fabian).
 * Finish/post assembly drawing for LBB and LBB damper ring (Hirata).
 * 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).

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

== BS Prism/Flag Gluing ==
 * Locate new flags (Mitaka?).
 * Locate mirror box (Mitaka).
 * Locate prisms (Mitaka?).
 * Arrange time with Hirose-san.
 * Launder, pack clean suits etc for Kashiwa.

== 2017-06-19 ==
== Coming Week (2017-06-19) ==
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 *
<<Anchor(RealBSHang)>>
== Real BS Hang Tasks ==
=== Major Tasks ===
 * Final ballast mass design/production for BF and SF (Fabian, Hirata-san).
 * 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 filter build/test stand.
  * Get filter test weights.
  * Find spare BF blade(s).
 * Prepare real BS:
  * Coordinate with Hirose-san.
  * Book transport of mirror (Kashiwa 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.
 * Reclean stuff:
  * PI (remove Kapton tape etc, etc).
  * LLB damper stuff, especially Cu segments.

=== Minor Tasks ===
==== Mechanical ====
 * 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 ====
 * Get pico drive screens fixed (Miyo-kun)
 * 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]]).
 * 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.

<<Anchor(SRPrepTasks)>>

== SR Prep Tasks ==
=== Design/Purchasing ===
 * Do rough mass budget for SR2/SR3/SRM.
 * Design SR assembly frame.
 * Get another D-Sub breakout (Hirata).
 * Design final SF ballast masses (Fabian).
 * Finish/post assembly drawing for LBB and LBB damper ring (Hirata).
 * 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

Preparation for Real BS Hang

Preparation for SR Installation

Every Week

Facilities

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

Coming Week (2017-06-19)

Facilities

  • Remove cling wrap from stuff.
  • Plug stuff back in (charging station, KOACH filters, OL etc).
  • Power up rack.

Main Assembly

  • Unlock BF keystone and try running BF fishing rod to fix sag problem.
  • Do up all EQ stops etc (except SF).
  • Remove geophones.
  • Crane suspension into tank.
  • Hook LBB Cu ring.
  • Hook LBB.
  • Crane vacuum tank lid+ring black on.
  • Remove vacuum tank lid (only).

Electronics

  • Calibrate PI vertical LVDT.
  • Set yoke on PI vertical LVDT (if necessary).
  • Calibrate PI horizontal LVDTs.
  • Remove port covers where feedthroughs will go, move feedthroughs from assembly frame and install on vacuum tank ring.
  • Reconnect in-air cables.

Real-time and SUMCON models

  • Derive and install PI LVDT matrices.
  • Check LSOL section of k1visbs model.

Real BS Hang Tasks

Major Tasks

  • Final ballast mass design/production for BF and SF (Fabian, Hirata-san).
  • 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 filter build/test stand.
    • Get filter test weights.
    • Find spare BF blade(s).
  • Prepare real BS:
    • Coordinate with Hirose-san.
    • Book transport of mirror (Kashiwa 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.
  • Reclean stuff:
    • PI (remove Kapton tape etc, etc).
    • LLB damper stuff, especially Cu segments.

Minor Tasks

Mechanical

  • 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

  • Get pico drive screens fixed (Miyo-kun)
  • 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.
  • Get another D-Sub breakout (Hirata).
  • Design final SF ballast masses (Fabian).
  • Finish/post assembly drawing for LBB and LBB damper ring (Hirata).
  • 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).

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