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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]] |
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[[../BSTestHangIssues|Issues to fix after BS Test Hang]] | [[../ToDoSR|SR To-Do Items]] [[#EveryWeek |Every Week]] [[#ComingWeeks |Coming Weeks]] <<Anchor(EveryWeek)>> |
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* Get stuff from [[../WishList]] | |
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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. |
<<Anchor(ComingWeeks)>> == 2017-09-04 == |
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== Minor Tasks == === Mechanical === * Swap out temporary ballast mass in BF, SF. |
=== Main Assembly Sequence === * --(Crane out SF.)-- * --(Raise BF cap and retrieve lost hex cable clamp PEEK piece.)-- * --(Crane in SF.)-- * --(Install SF-BF rod with hex cable clamp.)-- * --(Route cables via hex cable clamp up to below SF.)-- * --(Adjust BF ballast mass for total weight and pitch/roll.)-- * --(Look for missing screw from SF damper Cu segment in washed screws bag and reinstall.)-- * --(Adjust yoke on SF to put top of secondary at 6 mm above top of baseplate (or to give ≈0 counts at nominal height).)-- * Calibrate SF LVDT. * Install SF main ballast mass. * --(Cable and test SF fishing rod stepper.)-- * Add SF cap. * Lift and weigh SF/... section. === In parallel, time permitting === * --(Rearrange arc weights on PI to allow installation of magic wand.)-- * Install magic wand on PI. * Check that we still have all LBB parts (there was an issue with borrowed lock nuts). * Rearrange magnets on SF damper magnet ring for full three Cu segments. * --(Find Ni-plated rods for SF damper magnet ring and do fit check.)-- * --(Find PI-SF rod with 8 mm heads and matching receptacles and do fit check.)-- * Lay more new in-air cabling. * Wipe LLB damper parts with ethanol. * Get Cu O-rings for feedthroughs. * Figure out how to tighten PI yaw return spring. * --(Recalibrate remachined LBB springs and choose best three.)-- == Dates == * Repaired LBB half ring is returned: 9/11 (Mon, lunchtime) * BUMAX countersunk screws for LBB Cu * SDC screws for LBB half rings: 9/15 (Fri) * LBB Cu segments: 9/19-20 <<Anchor(RealBSHang)>> == 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) * 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 |
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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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==== 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). |
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=== 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 === |
==== 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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* 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 == === 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. * |
* --(Create a proper DAC Monitor MEDM screen.)-- * --(Improve ADC Monitor MEDM screen.)-- |
VIS Type B BS Near Term To-Do List
Every Week
Facilities
- Vacuum and roll floor.
- Wipe ladders.
- Tidy tools, parts.
Get stuff from ../WishList
2017-09-04
Main Assembly Sequence
Crane out SF.
Raise BF cap and retrieve lost hex cable clamp PEEK piece.
Crane in SF.
Install SF-BF rod with hex cable clamp.
Route cables via hex cable clamp up to below SF.
Adjust BF ballast mass for total weight and pitch/roll.
Look for missing screw from SF damper Cu segment in washed screws bag and reinstall.
Adjust yoke on SF to put top of secondary at 6 mm above top of baseplate (or to give ≈0 counts at nominal height).
- Calibrate SF LVDT.
- Install SF main ballast mass.
Cable and test SF fishing rod stepper.
- Add SF cap.
- Lift and weigh SF/... section.
In parallel, time permitting
Rearrange arc weights on PI to allow installation of magic wand.
- Install magic wand on PI.
- Check that we still have all LBB parts (there was an issue with borrowed lock nuts).
- Rearrange magnets on SF damper magnet ring for full three Cu segments.
Find Ni-plated rods for SF damper magnet ring and do fit check.
Find PI-SF rod with 8 mm heads and matching receptacles and do fit check.
- Lay more new in-air cabling.
- Wipe LLB damper parts with ethanol.
- Get Cu O-rings for feedthroughs.
- Figure out how to tighten PI yaw return spring.
Recalibrate remachined LBB springs and choose best three.
Dates
- Repaired LBB half ring is returned: 9/11 (Mon, lunchtime)
- BUMAX countersunk screws for LBB Cu
- SDC screws for LBB half rings: 9/15 (Fri)
- 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)
- 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
- 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.
Create a proper DAC Monitor MEDM screen.
Improve ADC Monitor MEDM screen.