|
Size: 4147
Comment:
|
Size: 3680
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|Archived To-Do Items]] | [[../ToDoOldBS|Archived BS To-Do Items]] [[../ToDoSR|SR To-Do Items]] |
| Line 8: | Line 10: |
[[#RealBSHang|Preparation for Real BS Hang]] [[#SRPrepTasks|Preparation for SR Installation]] |
|
| Line 23: | Line 21: |
| == 2017-08-07 == === Facilities === |
== 2017-09-04 == |
| Line 26: | Line 23: |
| === 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 === * --(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. |
| Line 32: | Line 39: |
| === Electronics === * Route new (longer) TM OSEM cables. * Rip out old in-air cabling. * Lay new in-air cabling. * Reinstall LVDT chassis. |
=== 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.)-- * 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.)-- |
| Line 38: | Line 51: |
| === Main Assembly === * Weigh filter lifting rod plus whatever other items used by Hirata-san in BF load capacity measurement. * Finish adjusting in/out of TM OSEMs. * Hang RM. * Remove endplate of IM, check pico centering. * Weigh/trim IM/RM/TM * Remove LBB rings. * Send rings for recleaning. === Time permitting === |
== 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 |
| Line 50: | Line 58: |
| == Real BS Hang Tasks == | == Tasks Not To Forget == |
| Line 52: | Line 60: |
| * Update BS Install Procedure with screenshots from new on-assembly-frame 3D CAD. | |
| Line 54: | Line 63: |
| * 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. |
|
| Line 71: | Line 71: |
| * Swap out temporary ballast mass in BF, SF. | |
| Line 75: | Line 74: |
| * 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. |
|
| Line 79: | Line 75: |
| * Check inside SF for lost ruler. * Tighten PI yaw return spring. * Get Cu O-rings for feedthroughs. |
|
| Line 85: | Line 78: |
| * 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). |
| Line 99: | Line 89: |
| * 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). === 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 |
* --(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.
- 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.