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== 2017-08-16 (file me) == | == 2017-08-21 == === Main Assembly === * Wrap new IM bottom ballast masses (Mozumi). * Install new IM masses. * Set up optical level. * Adjust IM ballast mass to give desired roll/pitch/vertical. * Level BF. * Cable BF LVDT, test and calibrate. * Adjust top of IRM to level. * Install IRM side panels. * Install IRM OSEMs. * Cable IRM OSEMs and test. * Adjust IRM and IRM OSEMs to get good alignment of IRM OSEMs and IM-IRM stops. ==== Electrical ==== * Remove cling wrap in BF and install vacuum-compatible heat shrink. * Adjust yoke on BF to put top of secondary at 3.5 mm above top of baseplate (or to give ≈0 counts at nominal height). ==== Real-time and SUMCON models ==== * Create a proper DAC Monitor MEDM screen. * Improve ADC Monitor MEDM screen. == 2017-08-16 == |
VIS Type B To-Do List - Archived Items
2017-08-21
Main Assembly
- Wrap new IM bottom ballast masses (Mozumi).
- Install new IM masses.
- Set up optical level.
- Adjust IM ballast mass to give desired roll/pitch/vertical.
- Level BF.
- Cable BF LVDT, test and calibrate.
- Adjust top of IRM to level.
- Install IRM side panels.
- Install IRM OSEMs.
- Cable IRM OSEMs and test.
- Adjust IRM and IRM OSEMs to get good alignment of IRM OSEMs and IM-IRM stops.
Electrical
- Remove cling wrap in BF and install vacuum-compatible heat shrink.
- Adjust yoke on BF to put top of secondary at 3.5 mm above top of baseplate (or to give ≈0 counts at nominal height).
Real-time and SUMCON models
- Create a proper DAC Monitor MEDM screen.
- Improve ADC Monitor MEDM screen.
2017-08-16
Facilities
- Move cardboard box with old BF to storage.
- Tidy up Hirata-san's stuff in genkan of cleanbooth.
Electronics
- Return spare two Type5-2.2 cables to Sato-san's store.
- Rip out remaining old in-air cabling.
- Reinstall LVDT chassis.
Main Assembly
- Remove LBB blade assemblies from PI.
- Remove LBB blades from holders.
- Remove LBB rings.
- Send rings for recleaning.
2017-08-07
Electronics
- Route new (longer) TM OSEM cables.
- Recable/test IM-PIT/ROL/YAW picos.
- Recable/test BF Stepper.
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
- Bring in BF.
- Install IRM top plate.
- Hook IM/RM/BS.
2017-07-31
Facilities
- Re-secure floor panels around tank.
- Wipe entire frame; blow dust out of grooves.
- Organize new OL for setting BS pitch (Fabian).
Design/Documentation/Planning
- Do version of 3D CAD with final-hang arrangement of suspension and LBB damper stuff (Hirata-san).
Electronics
Main Assembly
- Remove dummy BS from RM.
- Install coil-only OSEMs.
- Measure coil resistances of wide-mouth OSEMs, new coil-only OSEMS (for Michimura-san).
- Look up log book to find serial numbers of old coil+sensor RM OSEMs.
- 2016-09-07: H1 = #22, H2 = #23, H3 = #25, H4 = #26
- Pack RM coil+sensor OSEMs, label them with original serial numbers, and return them to Akutsu-san.
- Reassemble top of AF.
- Check verticality of AF, height of crossbars, centering of optical table.
- Move NB-03 jacks at PI level of AF to top level.
- Set height, level of IM support screws.
- Install IM.
2017-07-24
Electronics
- Look for LVDT driver box Syyxx3134.
- Make sure SR3 boxes have notes on their JGW-S.... document pages.
Main Assembly
- Remove BF-SF cables (note which had gender benders and which had extensions).
- Remove SF.
- Remove SF SS ring and poles.
- Move (or remove) SF AF crossbars.
- Remove IRM.
- Remove old BF.
- Remove RM and dummy BS.
- Characterize blades (1,2,3,4,5,6,7).
- Rebuild BF.
- Check gluing result.
- Cleanup optic after failed secondary prism bonds.
- Cleanup jigs/prisms after failed secondary prism bonds.
- Reglue secondary prisms.
2017-07-17
Facilities
- Get blue underwear for Yoshioka-kun.
Design/Documentation/Planning
- LBB ballast mass.
- Do improved mass budget.
Main Assembly
- Try to remove galled pole.
- Consult with Takahashi-san.
- Get alcohol in squirt bottle.
- Try removing pole with alcohol as lubricant.
- Inspect, finish setting up filter service area.
- Search for wire.
- Glue flags/prisms.
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
- 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).
- Measure total LBB load capacity.
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.
- 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.
2017-06-26
BS Prism/Flag gluing
Organize transport company for Kashiwa->Kamioka
- Collect mirror, mirror box, tools etc from Kashiwa.
- Ship mirror to Kamioka via Akabou.
- Ship gluing tools to Kamioka via Yu-Pack.
- Get 5 mm prisms cut down to 3 mm (ATC, Hirata-san).
- Get magnet jigs remade (ATC).
Design/Documentation/Planning
- Do version of 3D CAD with test-hang arrangement of suspension and LBB damper stuff (Hirata-san).
Electronics
- Fix #0 LVDT actuator coil.
2017-06-26
BS Prism/Flag gluing
- Push Hirose-san to set exact date.
Organize NAOJ vehicle for Mitaka->Kashiwa
- Collect all items required.
- Mirror box.
Prisms. (not found!)
- 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.
Main Assembly
- Adjust pitch/yaw/vertical of dummy optic.
- Crane tank lid on.
- Start TFs.
Electronics
- Wash extra F-F gender benders.
- Fix broken picomotor cable.
- 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.
2017-06-19
Facilities
- Remove cling wrap from stuff.
- Plug stuff back in (charging station, KOACH filters, OL etc).
- Power up rack.
Main Assembly
- Remove crossbars below BF and SF.
- Set SF damper to 4 mm clearance.
- Find wrenches for vacuum tank jacks (41 mm and possibly 75 mm).
- Adjust jacks to nominal height.
- 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
- Disconnect in-vacuum and in-air cabling from feedthroughs (label in-vacuum ones).
- Remove port covers where feedthroughs will go, move feedthroughs from assembly frame and install on vacuum tank ring.
- Reconnect in-vacuum cabling.
- Adjust in-air cabling to match 135° rotation of BS.
- Reconnect in-air cables. (all but 4)
2017-06-12
Main Assembly
- 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.
Electronics
- Cable and test PI yaw stepper.
- Cable and test PI vertical stepper.
- Cable and test PI horizontal steppers.
- Cable and test 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.
2017-05-29
Facilities
Design/Purchasing
- Get more cable ties.
Main Assembly
- Reinstall blades in LBB blade units.
- Do load test on LBB blade units.
Electronics
- Route BF/... cabling up past SF to PI.
- Route SF cabling up to PI.
- Add Type 3 extensions to SF/... cables.
- Move vacuum flanges to positions on assembly frame more convenient for next stage (accessible from second floor, one on each corner of frame).
- Move in-air cabling to match flange positions.
2017-05-22
Facilities
Design/Purchasing
- Design, order modifications to LBB blade springs.
- Get more duckboards.
Main Assembly
- Find geophone adapter plates.
- Ultrasonically clean geophone adapter plates and screws.
- Install geophone adapter plates.
- Get more PEEK clamp pieces from Sato-san and install.
- Lift PI and hang LBB damper ring.
- Crane PI back in.
- Install rod, this time with hex cable clamp.
- Re-hook SF/... section.
- Trim SF/... section.
- Install geophones.
Electronics
- Debug and calibrate SF LVDT.
- Debug stepper motors.
- Make two more (in-air) geophone unscrambler cables per E1503600-v13 Sheet 8.
2017-05-15
Facilities
- Get more UHV foil.
- Clear spaces for PR2 bellows work and SR2 ladder installation on 5/15.
- Fix safety bar on -X side of assembly frame (move to other side of pillars and attach more securely).
Main Assembly
- Secure arc weights with M8 nuts.
- Remove PI.
- Unjam PI-SF rod.
- Remove SF cap.
- Remove blades from LBB blade units and send off for rework.
- Install remaining cable clamps on PI.
- Remove one Cu damper segment from SF cap and reconfigure remaining two to be symmetrical.
- Decide pattern of SF damper ring magnets (72 pieces in 2/3 of the original ring).
- Install magnets on SF damper ring.
Electronics
- Make PI vertical/yaw stepper in-air adapter cable per E1503600-v13 Sheet 7.
2017-05-09
Safety
- Install safety bars
Continue PI Prep
- Find, install and wire up PI yaw stepper and bracket.
- Test IP.
- Install LBB blades in blade units.
- Check LBB blade unit alignment (was off by 21 mm due to blades being too long).
Hanging SF/BF/IRM/IM/RM/BS
- Fix centering of SF/... section.
Electronics
- Count used, unused, broken and needed in-vacuum cables and send data to Sato-san.
- Check connections in new geophone adapters (they turned out to be new-style).
- Decide final length for BS OSEM cables.
2017-04-24
Continue PI Prep
- Install LLB blades.
- Install LLB blade units in PI.
Hanging BF/IRM/IM/RM/BS (mostly Mark, Fabian, Perry)
- Crane in PI.
- Connect up SF/... .
- Measure overweight if any.
Electronics (mostly Enzo, Mark)
- Update E1503600 with DIO card for HPCDs, etc, etc.
- Decide final length for BS OSEM cables (Enzo, Mark, Fabian)
Real-time and SUMCON models (mostly Perry, 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.
2017-04-17
SF/BF/...
- Trim BF to correct pitch/roll.
- Install temporary ballast mass in SF.
- Lift SF/BF/... and check SF pitch/roll balance and overall weight.
Continue PI Prep
- Finish reattaching repaired LVDT coil(s) and redoing connectors with correct gender.
- Install fishing rod.
- Enlarge ring of crane adapter.
- Find table, weights, etc for use with LBB blade bending jigs.
- Set up LBB blade tensioning jig.
Hanging BF/IRM/IM/RM/BS (mostly Mark, Fabian, Perry)
- Test SF fishing rod stepper.
- Debug TM-H4.
Electronics (mostly Enzo, Mark)
- Work with Miyo-kun to get pico drivers added to BS rack and screens
- Update E1503600 with DIO card for HPCDs, etc, etc.
- Decide final length for BS OSEM cables (Enzo, Mark, Fabian)
- Make table of ADC/DAC assignments and check for consistency with D1503600 and k1visbs (Enzo, Mark)
2017-04-03
PI Move
- General prep
- Decide if air shower needs to be moved.
- Triple-check dimensions around second-floor parking spot for PI; decide best place for pallet.
- Check for obstacles along path around -X side of cleanbooth.
- Find/clean Saito-sensei's PI lifting adapter and any needed fasteners.
- Check both crane remote controls (clean and dirty) are charged.
- Prepare PI for moving.
- Remove accelerometers and store safely.
- Remove large weights. (How? With forklift at last minute? Where to?)
- Remove arc weights (move some to second floor, wrap rest for storage).
- Attach lifting plates.
- Wrap with clingwrap, cover with spare cleanbag.
- Remove old cabling from PI to rack.
- Prepare second floor for receiving PI.
- Clean and clingwrap pallet.
- Find metal plates and/or duckboards for on top of pallets.
- Move BS cables on -Y side of tank off top of beam.
- Find shims (about 75 mm high) to put on beam where cables were, to help support pallet.
- Clear path to remove PI with forklift.
- Move any obstacles identified previously.
- Shutdown BS/PR2 racks and move electrical cables.
- Move any stored items on -Y side of portable cleanroom.
- Move portable cleanroom towards -Y.
- Move worktables from next to BS/PR2 racks.
- Move PI
- Disconnect fan cables, curtain (Miyoki-san).
- Unzip ceiling panel.
- Crane pallet into cleanbooth.
- Lay foil on pallet.
- Forklift PI to -X,+Y corner of cleanbooth
- Crane PI into clean booth.
- Cleanup
- Zip up ceiling panel.
- Reconnect fan cables, curtain (Miyoki-san).
- Replace tables near BS/PR2 racks
- Move portable cleanroom back to original spot.
- Re-lay electrical cables.
- Power up racks.
Electronics (mostly Enzo, Mark)
- Make more anti-feedthrough adapters.
Real-time and SUMCON models (mostly Perry, Mark)
- Reroute in-vacuum cables up to SF level; add in-vacuum extension cables if necessary.
- Get Perry (and Enzo) set up with SUMCON.
- Update SUMCON model of full BS.
- Do cut-down SUMCON model of just payload hanging from fixed BS.
- Compare measured TFs to cut-down model(s).