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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]] | [[#EveryWeek |Every Week]] [[#ComingWeeks |Coming Weeks]] [[#RealBSHang|Preparation for Real BS Hang]] <<Anchor(EveryWeek)>> |
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| * Get stuff from [[../WishList]] | |
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| == Longer Term == | <<Anchor(ComingWeeks)>> == 2017-08-21 == === Design/Documentation/Planning === * Update BS Install Procedure with screenshots from new on-assembly-frame 3D CAD. |
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| === 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). |
=== 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. |
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| === Real-time and SUMCON models === * --(Adjust OSEM ADC and DAC channel assignments to match cabling changes.)-- * --(Check PI section of k1visbs model.)-- |
=== Time permitting === * Lay more new in-air cabling. <<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]]). |
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== 2017-06-12 == === Facilities === === Main Assembly === * Unlock BF keystone and try running BF fishing rod to fix sag problem. * --(Check pitch/roll of SF and adjust trim as required.)-- * --(Prepare LBB.)-- * --(Attach LBB outriggers and rod receptacles.)-- * --(Prepare LBB Cu ring.)-- * --(Remove from tank, fix incompletely threaded holes, reinstall in tank.)-- * --(Lay down spacers to protect magnets (in next step).)-- * --(Prepare LBB magnet ring.)-- * --(Disassemble.)-- * --(Pass pieces into tank.)-- * --(Reassemble on top of Cu ring.)-- * --(Install LBB damper.)-- * --(Bind LBB damper rings together with slings.)-- * --(Remove vacuum tank lid and ring.)-- * --(Crane rings up to install height, hook LBB magnet ring and support LBB Cu ring by TBD method.)-- * Crane suspension into tank. * Hook LBB Cu ring. * Hook LBB. * Crane vacuum tank lid+ring black on. * Remove vacuum tank lid (only). * Remove port covers where feedthroughs will go, move feedthroughs from assembly frame and install on vacuum tank ring. * Reconnect in-air cables. === Electronics === * Cabling: * Calibrate PI vertical LVDT. * Set yoke on PI vertical LVDT (if necessary). * --(Cable and test PI yaw stepper.)-- * --(Cable and test PI vertical stepper.)-- * --(Cable and test PI horizontal steppers.)-- * --(Cable and test PI horizontal LVDTs.)-- * Calibrate PI horizontal LVDTs. * --(Finalize OSEM cable lengths and update D1503600, E1503091 and Sato-san's spreadsheet.)-- * --(Recount cables in box and in test hang, and update Sato-san's spreadsheet.)-- * --(Cable and test PI vertical LVDT.)-- * --(Debug/fix PI vertical LVDTs #0 and #2.)-- * --(Debug/fix geophone #1.)-- * Calibrate PI vertical LVDT. * Set yoke on PI vertical LVDT (if necessary). * --(Cable and test PI horizontal LVDTs.)-- * Calibrate PI horizontal LVDTs. |
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
2017-08-21
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.