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../ToDoOld | [[../ToDoOld|Archived To-Do Items]] [[#EveryWeek |Every Week]] [[#ComingWeeks |Coming Weeks]] [[#RealBSHang|Preparation for Real BS Hang]] [[#SRPrepTasks|Preparation for SR Installation]] <<Anchor(EveryWeek)>> |
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* Get stuff from [[../WishList]] | |
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== 2017-05-29 == | <<Anchor(ComingWeeks)>> == Coming Weeks (2017-06-19, 2017-06-26) == === Facilities === * --(Remove cling wrap from stuff.)-- * --(Plug stuff back in (charging station, KOACH filters, OL etc).)-- * --(Power up rack.)-- |
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== Facilities == == Design/Purchasing == * Order longer threaded rods for arc weights on PI. * Get more cable ties. * Get another D-Sub breakout. |
=== Design/Documentation === * Design final BF/SF ballast mass assuming BF can be made to work without rebuild (Fabian). * Finish assembly drawing for LBB and LBB damper ring and post on JGWDoc (Hirata-san). * Do version of 3D CAD with test-hang arrangement of suspension and LBB damper stuff (Hirata-san). * Do version of 3D CAD with final-hang arrangement of suspension and LBB damper stuff (Hirata-san). |
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* --(Remove crossbars below BF and SF.)-- * --(Set SF damper to 4 mm clearance.)-- * Find wrenches for vacuum tank jacks (41 mm and possibly 75 mm). * --(Adjust jacks to nominal height.)-- * Unlock BF keystone and try running BF fishing rod to fix sag problem (Enzo, Mark). * --(Do up all EQ stops etc (except SF).)-- * --(Remove geophones (temporarily, for craning).)-- * --(Crane suspension into tank.)-- * --(Hook LBB Cu ring.)-- * Hook LBB. * Crane vacuum tank lid+ring back on. * Remove vacuum tank lid (only) and store on pallet. * Add ballast to LBB. * Replace geophones. * Unlock all but IP and check pendulum is centered in security structure. Adjust with jacks. * Unlock IP and adjust to center with jacks. * Adjust pitch/yaw/vertical of dummy optic. * Start TFs. |
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* Route BF/... cabling up past SF to PI. * Route SF cabling up to PI. * Add Type 3 extensions to SF/... cables. * Move vacuum flanges to positions on assembly frame more convenient for next stage (accessible from second floor, one on each corner of frame). * Move in-air cabling to match flange positions. * Cable and test PI vertical LVDT. |
* Get pico drive screens fixed (Miyo-kun) * Order final OSEM cables (six of 1.7 m, two of 2.2 m, two of 2.4 m; Sato-san). * --(Disconnect in-vacuum and in-air cabling from feedthroughs (label in-vacuum ones).)-- * Remove port covers where feedthroughs will go, move feedthroughs from assembly frame and install on vacuum tank ring. * Reconnect in-vacuum cabling. * Adjust in-air cabling to match 135° rotation of BS. * Reconnect in-air cables. |
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* Cable and test PI yaw stepper. * Cable and test PI vertical stepper. * Cable and test PI horizontal steppers. * Cable and test PI horizontal LVDTs. |
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== Real-time and SUMCON models == * Check PI section of k1visbs model. |
=== LSOL === * Assist Simon with hardware installation of LSOL (week of 6/26?). * Assist Simon with modifications to realtime model for LSOL (week of 6/26?). === Real-time and SUMCON models === * Derive and install PI LVDT matrices. * Check LSOL section of k1visbs model. <<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 build/test stand for filters. * 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. * 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). === Minor Tasks === ==== Mechanical ==== * Get clean bag laundered. * 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). * 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]]). |
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<<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). |
VIS Type B Near Term To-Do List
Preparation for SR Installation
Every Week
Facilities
- Vacuum and roll floor.
- Wipe ladders.
- Tidy tools, parts.
Get stuff from ../WishList
Coming Weeks (2017-06-19, 2017-06-26)
Facilities
Remove cling wrap from stuff.
Plug stuff back in (charging station, KOACH filters, OL etc).
Power up rack.
Design/Documentation
- Design final BF/SF ballast mass assuming BF can be made to work without rebuild (Fabian).
- Finish assembly drawing for LBB and LBB damper ring and post on JGWDoc (Hirata-san).
- Do version of 3D CAD with test-hang arrangement of suspension and LBB damper stuff (Hirata-san).
- Do version of 3D CAD with final-hang arrangement of suspension and LBB damper stuff (Hirata-san).
Main Assembly
Remove crossbars below BF and SF.
Set SF damper to 4 mm clearance.
- Find wrenches for vacuum tank jacks (41 mm and possibly 75 mm).
Adjust jacks to nominal height.
- Unlock BF keystone and try running BF fishing rod to fix sag problem (Enzo, Mark).
Do up all EQ stops etc (except SF).
Remove geophones (temporarily, for craning).
Crane suspension into tank.
Hook LBB Cu ring.
- Hook LBB.
- Crane vacuum tank lid+ring back on.
- Remove vacuum tank lid (only) and store on pallet.
- Add ballast to LBB.
- Replace geophones.
- Unlock all but IP and check pendulum is centered in security structure. Adjust with jacks.
- Unlock IP and adjust to center with jacks.
- Adjust pitch/yaw/vertical of dummy optic.
- Start TFs.
Electronics
- Get pico drive screens fixed (Miyo-kun)
- Order final OSEM cables (six of 1.7 m, two of 2.2 m, two of 2.4 m; Sato-san).
Disconnect in-vacuum and in-air cabling from feedthroughs (label in-vacuum ones).
- Remove port covers where feedthroughs will go, move feedthroughs from assembly frame and install on vacuum tank ring.
- Reconnect in-vacuum cabling.
- Adjust in-air cabling to match 135° rotation of BS.
- Reconnect in-air cables.
- Calibrate PI vertical LVDT.
- Set yoke on PI vertical LVDT (if necessary).
- Calibrate PI horizontal LVDTs.
LSOL
- Assist Simon with hardware installation of LSOL (week of 6/26?).
- Assist Simon with modifications to realtime model for LSOL (week of 6/26?).
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 build/test stand for filters.
- 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.
- 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).
Minor Tasks
Mechanical
- Get clean bag laundered.
- 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).
- 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.
- Design final SF ballast masses (Fabian).