Differences between revisions 18 and 119 (spanning 101 versions)
Revision 18 as of 2017-05-09 08:10:37
Size: 1594
Editor: MarkBarton
Comment:
Revision 119 as of 2017-08-29 11:03:13
Size: 4274
Editor: MarkBarton
Comment:
Deletions are marked like this. Additions are marked like this.
Line 1: Line 1:
= VIS Type B Near Term To-Do List = = VIS Type B BS Near Term To-Do List =
Line 3: Line 3:
../ToDoOld [[../ToDoOldBS|Archived BS To-Do Items]]

[[../ToDoSR|SR To-Do Items]]

[[#EveryWeek |Every Week]]

[[#ComingWeeks |Coming Weeks]]

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

<<Anchor(EveryWeek)>>
Line 6: Line 16:
=== Facilities (mostly full team) ===
 * Clean up after floor work.
=== Facilities ===
Line 11: Line 20:
 * Get stuff from [[../WishList]]
Line 12: Line 22:
== 2017-05-09 == <<Anchor(ComingWeeks)>>
== 2017-08-21 ==
=== Design/Documentation/Planning ===
 * Update BS Install Procedure with screenshots from new on-assembly-frame 3D CAD.
Line 14: Line 27:
=== Continue PI Prep ===
 * Find, install and wire up PI yaw stepper and bracket.
 * Decide pattern of LBB damper ring magnets.
 * Install magnets on LBB damper ring.
 * Wire up PI vertical fishing rod stepper.
 * Wire up PI horizontal fishing rod steppers.
 * Install and wire up geophones.
=== Main Assembly ===
 * --(Wrap new IM bottom ballast masses (Mozumi).)--
 * --(Install new IM masses.)--
 * --(Set up optical level.)--
 * --(Adjust IM ballast mass to give desired roll/pitch/vertical.)--
 * --(Level BF.)--
 * --(Cable BF LVDT, test and calibrate.)--
 * --(Adjust top of IRM to level.)--
 * --(Install IRM side panels.)--
 * --(Install IRM OSEMs.)--
 * --(Cable IRM OSEMs)-- and test.
 * --(Adjust IRM and IRM OSEMs to get good alignment of IRM OSEMs and IM-IRM stops.)--
 * Add extra ballast mass to BF.
 * Add BF cap but don't anchor cables.
 * Cable and test BF cap picos.
 * Lift BF/IRM/IM/RM/BS and weigh.
 * Adjust BF ballast if necessary.
 * Crane in SF.
 * Hook up BF/IRM/IM/RM/BS.
 * Route cables up to SF.
 * Adjust BF ballast if necessary.
Line 22: Line 49:
=== Hanging SF/BF/IRM/IM/RM/BS ===
 * Remove PI again.
 * Install hex cable clamp on rod.
 * 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.
 * Re-hook SF/... section.
=== Time permitting ===
  * Lay more new in-air cabling.
Line 31: Line 52:
=== Electronics ===
 * Count used, unused, broken and needed in-vacuum cables and send data to Sato-san.
 * Debug SF LVDT.
 * 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.
<<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). )--
 * --(Design of receptacles for rods with 8 mm heads.)--
 * --(Possible rebuild of BF)--
  * --(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 SF LVDT.
 * 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). --(BF)--, SF, PI-GAS, PI-H1, PI-H2, PI-H3
 * --(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 3.5 mm above top of baseplate (or to give ≈0 counts at nominal height).
 * Adjust yoke on SF to put top of secondary at 6 mm above top of baseplate (or to give ≈0 counts at nominal height).
 * Adjust yoke on PI to put top of secondary at TBD 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]]).
Line 38: Line 101:

== Real-time and SUMCON models ==

VIS Type B BS Near Term To-Do List

Archived BS To-Do Items

SR To-Do Items

Every Week

Coming Weeks

Preparation for Real BS Hang

Every Week

Facilities

  • Vacuum and roll floor.
  • Wipe ladders.
  • Tidy tools, parts.
  • Get stuff from ../WishList

2017-08-21

Design/Documentation/Planning

  • Update BS Install Procedure with screenshots from new on-assembly-frame 3D CAD.

Main Assembly

  • Wrap new IM bottom ballast masses (Mozumi).

  • Install new IM masses.

  • Set up optical level.

  • Adjust IM ballast mass to give desired roll/pitch/vertical.

  • Level BF.

  • Cable BF LVDT, test and calibrate.

  • Adjust top of IRM to level.

  • Install IRM side panels.

  • Install IRM OSEMs.

  • Cable IRM OSEMs and test.

  • Adjust IRM and IRM OSEMs to get good alignment of IRM OSEMs and IM-IRM stops.

  • Add extra ballast mass to BF.
  • Add BF cap but don't anchor cables.
  • Cable and test BF cap picos.
  • Lift BF/IRM/IM/RM/BS and weigh.
  • Adjust BF ballast if necessary.
  • Crane in SF.
  • Hook up BF/IRM/IM/RM/BS.
  • Route cables up to SF.
  • Adjust BF ballast if necessary.

Time permitting

  • Lay more new in-air cabling.

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).

  • Design of receptacles for rods with 8 mm heads.

  • Possible rebuild of BF

    • 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 SF LVDT.
  • 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). BF, SF, PI-GAS, PI-H1, PI-H2, PI-H3

  • 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 3.5 mm above top of baseplate (or to give ≈0 counts at nominal height).
  • Adjust yoke on SF to put top of secondary at 6 mm above top of baseplate (or to give ≈0 counts at nominal height).
  • Adjust yoke on PI to put top of secondary at TBD 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.

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