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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 === |
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=== Design/Documentation/Planning === * 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). |
== 2017-10-02 == |
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== BS Prism/Flag gluing == * Push Hirose-san to set exact date. * Organize NAOJ vehicle for Mitaka->Kashiwa * Organize transport company for Kashiwa->Kamioka * Akabou Yoshihara Delivery Service (赤帽よしはら運送) yoshihara@akabou.ne.jp (吉原様) * Collect all items required. * Mirror box. * Prisms. * Stub flags. * Magnets: SmCo, 2 mm diameter, 3 mm long * Prism jigs * Flag jigs * Glue magnets to flags, 2 N, 2 S. * Organize clean suits. * Make a list of people's sizes * Get Mark/Enzo to bring from Kamioka. |
=== SR2 stuff === * Replace BS service port covers, or reinforce foil with tape. * Cling-wrap or move: * White plastic table * Writing table * Tall metal table |
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=== Main Assembly === * Adjust pitch/yaw/vertical of dummy optic. * Crane tank lid on. * Start TFs. |
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=== Electronics === * Wash extra F-F gender benders. * Fix broken picomotor cable. * Install new LVDT driver and set gains. * Document LVDT driver rebuild and other changes. * Debug all cabling! * Fix #0 LVDT actuator coil. |
=== Main Assembly Sequence === * Check for bubble level and other tools in tank. * Remove stickers on IP and clean with ethanol (some were missed last time). * Wipe rusty screws on IP LVDTs and surrounding area with ethanol-soaked wipe. * Check that all in-air cables are labeled. * Fix broken pico adapter cable? * If possible, reroute cable to eliminate need for with feedthrough. * Debug all electronics, especially actuation. * Check IP yaw. * Recheck centering of suspension in assembly frame. * Measure IP period; adjust ballast mass. * Calibrate IP LVDT sensing against IP LVDT actuation, IP FRs. * Get ready for full TFs. === Software === * Enter new IP matrices and do safe.snap. |
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* Sort out naming convention for PI LVDTs, geophones and horizontal steppers. === LSOL === * Assist Simon with hardware installation of LSOL. * Assist Simon with modifications to realtime model for LSOL. === Real-time and SUMCON models === * Derive and install PI LVDT matrices. * Check LSOL section of k1visbs model. |
* Update real-time model to number channels from #0. |
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== Real BS Hang Tasks == | == Tasks Not To Forget == |
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* Final ballast mass design for BF and SF (Fabian). * Final ballast mass production for BF and SF (Hirata-san). (have quotes) * Design of receptacles for rods with 8 mm heads. * 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 or Mitaka 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). * Calibrate PI vertical LVDT. * Set yoke on PI vertical LVDT (if necessary). * Calibrate PI horizontal LVDTs. * Unlock BF keystone and try running BF fishing rod to fix sag problem. |
* 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). * Figure out how to make PI yaw adjustment reliable. |
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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
2017-10-02
SR2 stuff
- Replace BS service port covers, or reinforce foil with tape.
- Cling-wrap or move:
- White plastic table
- Writing table
- Tall metal table
Main Assembly Sequence
- Check for bubble level and other tools in tank.
- Remove stickers on IP and clean with ethanol (some were missed last time).
- Wipe rusty screws on IP LVDTs and surrounding area with ethanol-soaked wipe.
- Check that all in-air cables are labeled.
- Fix broken pico adapter cable?
- If possible, reroute cable to eliminate need for with feedthrough.
- Debug all electronics, especially actuation.
- Check IP yaw.
- Recheck centering of suspension in assembly frame.
- Measure IP period; adjust ballast mass.
- Calibrate IP LVDT sensing against IP LVDT actuation, IP FRs.
- Get ready for full TFs.
Software
- Enter new IP matrices and do safe.snap.
- Get pico drive screens fixed (Miyo-kun)
- Update real-time model to number channels from #0.
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).
- Figure out how to make PI yaw adjustment reliable.
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.