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Size: 3238
Comment:
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Size: 4123
Comment:
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| Deletions are marked like this. | Additions are marked like this. |
| Line 12: | Line 12: |
== 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 filter build/test stand. * 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. == Minor Tasks == === Mechanical === * 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. * Calibrate all LVDTs. * 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). |
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| * --(Adjust OSEM ADC and DAC channel assignments to match cabling changes.)-- * --(Check PI section of k1visbs model.)-- |
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| == 2017-06-12 == | == BS Prism/Flag Gluing == * Locate new flags (Mitaka?). * Locate mirror box (Mitaka). * Locate prisms (Mitaka?). * Arrange time with Hirose-san. * Launder, pack clean suits etc for Kashiwa. == 2017-06-19 == |
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| * Remove cling wrap from stuff. * Plug stuff back in (charging station, KOACH filters, OL etc). * Power up rack. |
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| * --(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.)-- |
* Do up all EQ stops etc (except SF). * Remove geophones. |
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=== Electronics === * Calibrate PI vertical LVDT. * Set yoke on PI vertical LVDT (if necessary). * Calibrate PI horizontal LVDTs. |
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| === 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. |
=== Real-time and SUMCON models === * Derive and install PI LVDT matrices. * Check LSOL section of k1visbs model. * |
VIS Type B Near Term To-Do List
Issues to fix after BS Test Hang
Every Week
Facilities
- Vacuum and roll floor.
- Wipe ladders.
- Tidy tools, parts.
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 filter build/test stand.
- 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.
Minor Tasks
Mechanical
- 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.
- Calibrate all LVDTs.
- 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).
Longer Term
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).
Real-time and SUMCON models
- 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.
BS Prism/Flag Gluing
- Locate new flags (Mitaka?).
- Locate mirror box (Mitaka).
- Locate prisms (Mitaka?).
- Arrange time with Hirose-san.
- Launder, pack clean suits etc for Kashiwa.
2017-06-19
Facilities
- Remove cling wrap from stuff.
- Plug stuff back in (charging station, KOACH filters, OL etc).
- Power up rack.
Main Assembly
- Unlock BF keystone and try running BF fishing rod to fix sag problem.
- Do up all EQ stops etc (except SF).
- Remove geophones.
- Crane suspension into tank.
- Hook LBB Cu ring.
- Hook LBB.
- Crane vacuum tank lid+ring black on.
- Remove vacuum tank lid (only).
Electronics
- Calibrate PI vertical LVDT.
- Set yoke on PI vertical LVDT (if necessary).
- Calibrate PI horizontal LVDTs.
- Remove port covers where feedthroughs will go, move feedthroughs from assembly frame and install on vacuum tank ring.
- Reconnect in-air cables.
Real-time and SUMCON models
- Derive and install PI LVDT matrices.
- Check LSOL section of k1visbs model.