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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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== Coming Weeks 2017-07-10 == === Facilities === |
== 2017-09-11 == |
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== BS Prism/Flag gluing == * Search for prisms (Mark/Enzo). * Clean magnet jigs, prisms (Hirata). * Assemble (with glue) magnet jigs. (Mark) * Glue flags/prisms. |
=== Main Assembly Sequence === * Debug BF LVDT actuation. * Debug other actuation. * Remove F-0 rod and reinstall with hex cable clamp. * Route cables up past hex cable clamps. * Adjust SF trim mass for pitch/roll/vertical. * |
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=== Design/Documentation/Planning === * Try cut-down prisms with gluing jig (Mark/Enzo). * Organize new OL for setting BS pitch (Fabian). * Order longer threaded rods for arc weights on PI (Hirata-san). * Final ballast mass design for BF and SF. * Do revised drawings (Hirata-san). * Decide final numbers. * Get quote. * Place order. * Final ballast mass for IM. * Final design (Fabian). * Drawings (Hirata-san). * Get quotes (Hirata-san) * Place order (Hirata-san). * Do version of 3D CAD with final-hang arrangement of suspension and LBB damper stuff (Hirata-san). * Finish assembly drawing for LBB and LBB damper ring and post on JGWDoc (Hirata-san). * LBB ballast mass. * Research real payload. * --(Measure total load capacity (see Main Assembly section))--. * Do improved mass budget. === Electronics === * --(Document LVDT driver rebuild and other changes.)-- |
=== 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. |
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=== Main Assembly === * Search for wire (Mark/Enzo). * --(Experiment with rearranging arc weights to accommodate magic wand.)-- * --(Remove arc weights; load onto LBB; measure total load capacity.)-- * --(Unload arc weights and store.)-- * --(Disconnect cables (Mark/Enzo).)-- * --(Connect tank lid to tank ring (Mark/Enzo).)-- * Dismantle LBB and rings. * --(Remove screw feet.)-- * --(Replace blocks.)-- * Unhook. * Reinstall spacers and clamps on LBB damper rings. * Unhook rods supporting LBB intermediate ring. * Crane out suspension. * Crane down rings. * Remove rings. * Send rings for recleaning. * Reinstall AF crossbars and jacks. |
== Dates == * BUMAX countersunk screws for LBB Cu * SDC screws for LBB half rings: 9/15 (Fri) * 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. * Finish assembly drawing for LBB and LBB damper ring and post on JGWDoc (Hirata-san). |
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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. |
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* Unlock BF keystone and try running BF fishing rod to fix sag problem. | |
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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). |
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
2017-09-11
Main Assembly Sequence
- Debug BF LVDT actuation.
- Debug other actuation.
- Remove F-0 rod and reinstall with hex cable clamp.
- Route cables up past hex cable clamps.
- Adjust SF trim mass for pitch/roll/vertical.
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.
Dates
- 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.