Differences between revisions 109 and 133 (spanning 24 versions)
⇤ ← Revision 109 as of 2017-08-20 18:53:28 →
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← Revision 133 as of 2017-09-14 14:57:13 → ⇥
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Editor: MarkBarton
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= VIS Type B Near Term To-Do List = = VIS Type B BS Near Term To-Do List =
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[[../ToDoOld|Archived To-Do Items]] [[../ToDoOldBS|Archived BS To-Do Items]]

[[../ToDoSR|SR To-Do Items]]
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[[#RealBSHang|Preparation for Real BS Hang]]

[[#SRPrepTasks|Preparation for SR Installation]]
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== 2017-08-16 ==
=== Facilities ===
 * --(Move cardboard box with old BF to storage.)--
 * --(Tidy up Hirata-san's stuff in genkan of cleanbooth.)--		 == 2017-09-11 ==
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=== 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.		 === Main Assembly Sequence ===
 * Debug BF LVDT actuation.
 * --(Debug other actuation.)--
 * --(Remove F0-SF rod and reinstall with hex cable clamp.)--
 * --(Route cables up past hex cable clamps.)--
 * --(Adjust SF trim mass for pitch/roll/vertical.)--
 * --(Route all SF/... cables through to the flange and test.)--
 * --(Cable all PI items through to the flange.)--
 * --(Disconnect the SS from the AF.)--
 * --(Recheck/adjust SF/... yaw.)--
 * --(Roughly level the PI so as to make the SS vertical.)--
 * --(Unlock the IP and adjust the level of the PI and the horizontal FRs to center the IP.)--
 * Check F0 yoke height (top of coil former should be 6 mm above top of baseplate).
 * Test all PI items:
  * Yaw stepper.
  * F0 LVDT sensing
  * F0 LVDT actuation
  * --(Horizontal steppers)--
  * Horizontal LVDT sensing
  * Horizontal LVDT actuation
  * --(Geophones)-- (except one cable broken: #1)
 * Lock the F0 and SF keystones and measure the resonance frequency of the BF GAS.
 * --(Lock the F0 and BF keystones and measure the resonance frequency of the SF GAS.)-- 425 mHz
 * Lock the SF and BF keystones and measure the resonance frequency of the F0 GAS.
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=== 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.		 === In parallel, time permitting ===
 * --(Fix links to ADC_MONITOR screens.)--
 * --(Check that all Take/Restore Safe.snap buttons work.)--
 * --(Check that we still have all LBB parts (there was an issue with borrowed lock nuts).)--
 * --(Wipe LLB damper parts with ethanol.)--
 * Figure out how to tighten PI yaw return spring.
 * --(Install LBB Cu damper ring in tank (less Cu for now).)--
 * --(Apply magnets to LBB Magnet rings.)--
 * --(Clean rust from screw holes in LBB magnet ring.)--
 * Fix #1 geophone adapter cable.
 * Fix broken pico adapter cable.
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=== 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.		 == 2017-09-19 ==
(No work Monday 9/18)
 * Attach Cu segments to LBB damper ring - needs Cu segments and BUMAX countersunk screws, expected 9/20.
 * Pass halves of LBB magnet ring into tank, join, and make sandwich for craning.
 * Crane tank lid off.
 * Crane LBB damper rings to top of tank and suspend.
 * Remove geophones for craning.
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=== Time permitting ===
=== Main Assembly Sequence ===

== Dates ==
 * BUMAX countersunk screws for LBB Cu (by 9/20)
 * SDC screws for LBB half rings: 9/15 (Fri) (have Ag-coated as backup)
 * LBB Cu segments: 9/19-20
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== Real BS Hang Tasks == == Tasks Not To Forget ==
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 * Update BS Install Procedure with screenshots from new on-assembly-frame 3D CAD.
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 * 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.
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 * --(Swap out temporary ballast mass in BF)--, SF.
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  * 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.)--
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 * --(Check inside SF for lost ruler.)--
 * Tighten PI yaw return spring.
 * Get Cu O-rings for feedthroughs.
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 * 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).		  * Calibrate all LVDTs (Enzo, Mark). --(BF)--, --(SF)--, PI-GAS, PI-H1, PI-H2, PI-H3
 * Adjust yoke on PI to put top of secondary at TBD mm above top of baseplate (or to give ≈0 counts at nominal height).
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 * 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.
 * Design final SF ballast masses (Fabian).
==== Order now ====
 * Bread boards for SR -> すぐ見積り依頼
 * Include installation work in the contract
 * Total budget = 5MJPY
 * PEEK collet for "Small hexagon"(cable clamp) -> すぐ見積り依頼

==== Need simple design changes ====
 * SUS wires(3 types) for the LBB
  * Change the length -> すぐ見積り依頼
 * Receptacles for Bread board damper
  * There is a mistake in the PROMEC drawing.
  * Hirata-san will make a new 2D drawing
 * IM wire clamps for SR
  * Need to change the height
 * SR assembly frame -> 月曜日に見積り依頼
  * Mark is checking the design from Fabian
  * We should order the parts necessary to modify the BS assembly frame to the SR2 assembly frame

==== Need Fabian's input ====
 * Cable clamps for BF,SF and PI -> 方式を決める
  * Design change for the PI clamps, because the SR PIs are NIKHEF ones.
 * Ballast masses for BF and SF
 * 製作に2週間程度
 * 10月頭にTop Filterの最適荷重を実測。それに合わせて発注。それまでにデザインは用意しておく。
  * 測定に必要な物品の準備 -> 月曜日に高橋さんと相談

==== Need more discussion/checks ====
 * Blade spring assembly for LBB
  * Check the load of the LBB and decide the design load of the springs
  * Correct the length
  * Scale the width of the current blades to design the new blades -> 高橋さんと相談
   * SR用LBBの重さを確認
 * Bread board damper rings
  * Need to check whether we can put a full ring into the chamber from the side flanges or not. -> 至急確認



=== 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 BS Near Term To-Do List

Archived BS To-Do Items

SR To-Do Items

Every Week

Coming Weeks

Every Week

Facilities

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

  • Get stuff from ../WishList

2017-09-11

Main Assembly Sequence

  • Debug BF LVDT actuation.

  • Debug other actuation.

  • Remove F0-SF rod and reinstall with hex cable clamp.

  • Route cables up past hex cable clamps.

  • Adjust SF trim mass for pitch/roll/vertical.

  • Route all SF/... cables through to the flange and test.

  • Cable all PI items through to the flange.

  • Disconnect the SS from the AF.

  • Recheck/adjust SF/... yaw.

  • Roughly level the PI so as to make the SS vertical.

  • Unlock the IP and adjust the level of the PI and the horizontal FRs to center the IP.

  • Check F0 yoke height (top of coil former should be 6 mm above top of baseplate).
  • Test all PI items:
    • Yaw stepper.
    • F0 LVDT sensing
    • F0 LVDT actuation

    • Horizontal steppers

    • Horizontal LVDT sensing
    • Horizontal LVDT actuation

    • Geophones (except one cable broken: #1)

  • Lock the F0 and SF keystones and measure the resonance frequency of the BF GAS.

  • Lock the F0 and BF keystones and measure the resonance frequency of the SF GAS. 425 mHz

  • Lock the SF and BF keystones and measure the resonance frequency of the F0 GAS.

In parallel, time permitting

  • Fix links to ADC_MONITOR screens.

  • Check that all Take/Restore Safe.snap buttons work.

  • Check that we still have all LBB parts (there was an issue with borrowed lock nuts).

  • Wipe LLB damper parts with ethanol.

  • Figure out how to tighten PI yaw return spring.

  • Install LBB Cu damper ring in tank (less Cu for now).

  • Apply magnets to LBB Magnet rings.

  • Clean rust from screw holes in LBB magnet ring.

  • Fix #1 geophone adapter cable.
  • Fix broken pico adapter cable.

2017-09-19

(No work Monday 9/18)

  • Attach Cu segments to LBB damper ring - needs Cu segments and BUMAX countersunk screws, expected 9/20.
  • Pass halves of LBB magnet ring into tank, join, and make sandwich for craning.
  • Crane tank lid off.
  • Crane LBB damper rings to top of tank and suspend.
  • Remove geophones for craning.

Main Assembly Sequence

Dates

  • BUMAX countersunk screws for LBB Cu (by 9/20)
  • SDC screws for LBB half rings: 9/15 (Fri) (have Ag-coated as backup)
  • LBB Cu segments: 9/19-20

Tasks Not To Forget

Major Tasks

  • Update BS Install Procedure with screenshots from new on-assembly-frame 3D CAD.
  • Finish assembly drawing for LBB and LBB damper ring and post on JGWDoc (Hirata-san).
  • Get pico drive screens fixed (Miyo-kun)

Minor Tasks

Mechanical

  • Get clean bag laundered.
  • Put pointy-tipped screw in RM trolley for BS
  • Return/replace borrowed parts:
    • Lock washers for LBB dampers
    • Temporary ballast mass (dog clamps) in BF.
  • Swap in new F0-SF maraging rod (with 8-mm heads) and new receptacles to match.

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

  • 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.

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