Size: 5553
Comment:
|
Size: 4941
Comment:
|
Deletions are marked like this. | Additions are marked like this. |
Line 23: | Line 23: |
== Coming Weeks (2017-06-19, 2017-06-26) == | == Coming Weeks 2017-07-10 == |
Line 25: | Line 25: |
* Remove cling wrap from stuff. * Plug stuff back in (charging station, KOACH filters, OL etc). * Power up rack. |
|
Line 29: | Line 26: |
=== Design/Documentation === * Design final BF/SF ballast mass assuming BF can be made to work without rebuild (Fabian). |
== BS Prism/Flag gluing == * Search for prisms (Mark/Enzo). * Clean magnet jigs, prisms (Hirata). * Assemble (with glue) magnet jigs. (Mark) * Glue flags/prisms. === 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). |
Line 32: | Line 48: |
* 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). |
* 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.)-- |
Line 36: | Line 57: |
* 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). * Adjust height of SF damper ring to give correct Cu-magnet gap. * 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. === 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. * Remove port covers where feedthroughs will go, move feedthroughs from assembly frame and install on vacuum tank ring. * 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. |
* 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. |
Line 74: | Line 78: |
* 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). |
* Get pico drive screens fixed (Miyo-kun) * Final ballast mass production for BF and SF (Hirata-san). (have quotes) * Design of receptacles for rods with 8 mm heads. |
Line 80: | Line 85: |
* 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. |
|
Line 91: | Line 88: |
* 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. |
Line 96: | Line 95: |
* Get clean bag laundered. * Put pointy-tipped screw in RM trolley for BS |
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 2017-07-10
Facilities
BS Prism/Flag gluing
- Search for prisms (Mark/Enzo).
- Clean magnet jigs, prisms (Hirata).
- Assemble (with glue) magnet jigs. (Mark)
- Glue flags/prisms.
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.
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.
Real BS Hang Tasks
Major Tasks
- Get pico drive screens fixed (Miyo-kun)
- 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.
- 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.
Minor Tasks
Mechanical
- Get clean bag laundered.
- Put pointy-tipped screw in RM trolley for BS
- 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).