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= VIS Type B To-Do List - Archived Items = ../ToDo |
= VIS Type B BS To-Do List - Archived Items = [[../ToDoBS|BS To Do List]] == 2017-11-13 == === Main Assembly Sequence === * --(Realign OL.)-- * --(Cover OL with foil.)-- * --(Offload IP P&Y offsets to picos.)-- * --(Move stuff out of PR2 area.)-- * --(Tidy/label parts.)-- == 2017-10-16, 2017-10-24 == === Main Assembly Sequence === * --(Borrow portable hard drive.)-- * --(Remove sticker residue and permanent marker writing on PI.)-- * --(Fix broken and unreliable connections on IP LVDTs.)-- * --(Reconfigure the stepper motor cables for Miyo-kun.)-- * --(Add IP LVDT gains and offsets to IP_LVDTINF filter blocks.)-- * --(Install damping filters for IP LVDTs.)-- * --(Install and debug IP LVDT and geophone diagonalization matrices.)-- * --(Work with alignment team.)-- * --(Work with Mirapro on SR LBB and tank installation (Hirata-san, from Wed))-- * --(Work with Miyo-kun to get user interface for stepper motors.)-- * --(Calibrate IP FR actuation against IP LVDT sensing.)-- * --(Lower LBB by 17.5 mm; suspend and rebalance after removing table KOACH filters.)-- * --(Reroute cable to eliminate need for fifth feedthrough.)-- === Software === * --(Enter new IP matrices and do safe.snap.)-- * --(Send stepper driver info to Miyo-kun)--. * --(Add support for comments to SUMCON.)-- * --(Derive matrices for IP FRs.)-- == 2017-10-10 == === Main Assembly Sequence === * Account for second bubble level (might be on BF). * Borrow portable hard drive. * Clean up sticker residue and magic marker writing. * Remove LVDT modules; identify screws. * Check that all in-air cables are labeled. * If possible, reroute cable to eliminate need for fifth feedthrough. * Debug all electronics, especially actuation. * Calibrate all LVDTs. BF, SF, PI-GAS, PI-H1, PI-H2, PI-H3 * Install small KOACH filters on LBB. * Remove First Contact. * Cable optical lever (Simon, Enzo) * Align optical lever (Simon) === Software === * Enter new IP matrices and do safe.snap. * Send stepper driver numbering info to Miyo-kun. * Add support for comments to SUMCON. == 2017-10-02 == === Main Assembly Sequence === * Tidy up and cover things to prepare for SR2 crane slot work. * Replace BS service port covers. * Check for bubble level and other tools in tank. * Remove stickers on IP and clean with ethanol (some were missed last time). * Fix broken pico adapter cable? * Debug all electronics, especially actuation. * Check IP yaw. * Recheck centering of suspension in assembly frame. * Get pico drive screens fixed (Miyo-kun) == 2017-09-25 == === Main Assembly Sequence === * Move in-air cabling and feedthroughs and reconnect in-vacuum cables (through Cu O-rings). * Fix #1 geophone adapter cable. * Unlock IP; use jacks and FRs to center. * (Debug issue with tilted IRM!) === LBB Sequence === * Decide final in-vacuum and in-air cable routing. * Unclamp LBB ring sandwich; fully suspend Cu ring. * Unscrew LBB from tank brackets. * Hook LBB. * Remove TBD amount of spacers from between LBB and tank brackets. * Set LBB blade stops to nominal height. * Extend foot screws on LBB to just barely support LBB. * Adjust height of LBB magnet ring to set proper gap (4 mm??). * Retract LBB foot screws. * Add temporary ballast to LBB until LBB blades just barely sink below stops. * Check distance from LBB to main beam height (or other suitable reference); adjust by screwing receptacles. * Set foot screws to give ≈5 mm (or TBD) movement range of LBB below nominal. * Set stop on LBB blades to give ≈3 mm (or TBD, less than Cu-magnet gap) of LBB above nominal. == 2017-09-19 == (No work Monday 9/18) === Main Assembly Sequence === * Debug BF LVDT actuation. * Check F0 yoke height (top of coil former should be 37.5 mm above bottom of recess in top of baseplate) 36mm. * Test all PI items: * Yaw stepper (tested, not clearly working). * F0 LVDT sensing * F0 LVDT actuation * Calibrate F0 LVDT. * Horizontal LVDT sensing * Horizontal LVDT actuation * Geophones (issues with driver, cables, descramblers) * Lock the F0 and SF keystones and measure the resonance frequency of the BF GAS 2 Measurements: f1=0.443 Hz, f2=0.454 Hz. * Lock the SF and BF keystones and measure the resonance frequency of the F0 GAS 2 Measurements: f1=0.208 Hz, f2=0.210 Hz. * Double check BS pitch with OL. * Adjust SF damper ring to correct gap. * Install lock nuts on F0 GAS FR at TBD positions. * Lock BF and F0 keystones (but ''not'' SF keystone). * Lock RM to BS, IRM to IM and IM to RM. * Lock RM, IRM and BF (but not SF) to security structure. * Lock IP. * Remove F0 keystone top plate (including yaw stepper) and immobilize SF/... in yaw. * Attach lifting fixture. * Remove BF- and SF-level crossbars. * Remove geophones for craning. * Disconnect in-vacuum cables from feedthrough and coil neatly for craning. * Attach lifting plates. === Tank Preparation Sequence === * Attach Cu segments to LBB damper ring. * Pass halves of LBB magnet ring into tank, join, and make sandwich for craning. * Crane tank lid off. * Crane LBB damper rings to top of tank and suspend. * Crane suspension out of assembly frame. * Attach LBB upper rods to LBB blade tips and rotate suspension 45° clockwise. * Crane suspension into tank and connect upper rods to LBB Cu ring. * Fix poorly seated head. * Unlock suspension and readjust. === In parallel, time permitting === * Fix issue with geophone distributor. == 2017-09-11 == === Main Assembly Sequence === * Debug other actuation. * Remove F0-SF rod and reinstall with hex cable clamp. * Route cables up past hex cable clamps. * Adjust SF trim mass for pitch/roll/vertical. * Route all SF/... cables through to the flange and test. * Cable all PI items through to the flange. * Disconnect the SS from the AF. * Recheck/adjust SF/... yaw. * Roughly level the PI so as to make the SS vertical. * Unlock the IP and adjust the level of the PI and the horizontal FRs to center the IP. * Test all PI items: * Horizontal steppers * Geophones * Lock the F0 and BF keystones and measure the resonance frequency of the SF GAS. 425 mHz === 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. * Install LBB Cu damper ring in tank (less Cu for now). * Apply magnets to LBB Magnet rings. * Clean rust from screw holes in LBB magnet ring. == 2017-09-04 == === Main Assembly Sequence === * Crane out SF. * Raise BF cap and retrieve lost hex cable clamp PEEK piece. * Crane in SF. * Install SF-BF rod with hex cable clamp. * Route cables via hex cable clamp up to below SF. * Adjust BF ballast mass for total weight and pitch/roll. * Look for missing screw from SF damper Cu segment in washed screws bag and reinstall. * Adjust yoke on SF to put top of secondary at 6 mm above top of baseplate (or to give ≈0 counts at nominal height). * Calibrate SF LVDT. * Install SF main ballast mass. * Cable and test SF fishing rod stepper. * Add SF cap. * Lift and weigh SF/... section. === In parallel === * Rearrange arc weights on PI to allow installation of magic wand. * Install magic wand on PI. * Rearrange magnets on SF damper magnet ring for full three Cu segments. * Find Ni-plated rods for SF damper magnet ring and do fit check. * Find PI-SF rod with 8 mm heads and matching receptacles and do fit check. * Get Cu O-rings for feedthroughs. * Recalibrate remachined LBB springs and choose best three. == 2017-08-28 == === 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. * Add extra ballast mass to BF. * Add BF cap but don't anchor cables. * Cable and test BF cap picos. * Lift BF/IRM/IM/RM/BS and weigh. * Adjust BF ballast if necessary. * Crane in SF. * Remove Kapton tape from PI. ==== Electrical ==== * 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. == 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. |
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== Facilities == == Design/Purchasing == |
=== Facilities === === Design/Purchasing === |
VIS Type B BS To-Do List - Archived Items
2017-11-13
Main Assembly Sequence
Realign OL.
Cover OL with foil.
Offload IP P&Y offsets to picos.
Move stuff out of PR2 area.
Tidy/label parts.
2017-10-16, 2017-10-24
Main Assembly Sequence
Borrow portable hard drive.
Remove sticker residue and permanent marker writing on PI.
Fix broken and unreliable connections on IP LVDTs.
Reconfigure the stepper motor cables for Miyo-kun.
Add IP LVDT gains and offsets to IP_LVDTINF filter blocks.
Install damping filters for IP LVDTs.
Install and debug IP LVDT and geophone diagonalization matrices.
Work with alignment team.
Work with Mirapro on SR LBB and tank installation (Hirata-san, from Wed)
Work with Miyo-kun to get user interface for stepper motors.
Calibrate IP FR actuation against IP LVDT sensing.
Lower LBB by 17.5 mm; suspend and rebalance after removing table KOACH filters.
Reroute cable to eliminate need for fifth feedthrough.
Software
Enter new IP matrices and do safe.snap.
Send stepper driver info to Miyo-kun.
Add support for comments to SUMCON.
Derive matrices for IP FRs.
2017-10-10
Main Assembly Sequence
- Account for second bubble level (might be on BF).
- Borrow portable hard drive.
- Clean up sticker residue and magic marker writing.
- Remove LVDT modules; identify screws.
- Check that all in-air cables are labeled.
- If possible, reroute cable to eliminate need for fifth feedthrough.
- Debug all electronics, especially actuation.
- Calibrate all LVDTs. BF, SF, PI-GAS, PI-H1, PI-H2, PI-H3
- Install small KOACH filters on LBB.
- Remove First Contact.
- Cable optical lever (Simon, Enzo)
- Align optical lever (Simon)
Software
- Enter new IP matrices and do safe.snap.
- Send stepper driver numbering info to Miyo-kun.
- Add support for comments to SUMCON.
2017-10-02
Main Assembly Sequence
- Tidy up and cover things to prepare for SR2 crane slot work.
- Replace BS service port covers.
- Check for bubble level and other tools in tank.
- Remove stickers on IP and clean with ethanol (some were missed last time).
- Fix broken pico adapter cable?
- Debug all electronics, especially actuation.
- Check IP yaw.
- Recheck centering of suspension in assembly frame.
- Get pico drive screens fixed (Miyo-kun)
2017-09-25
Main Assembly Sequence
- Move in-air cabling and feedthroughs and reconnect in-vacuum cables (through Cu O-rings).
- Fix #1 geophone adapter cable.
- Unlock IP; use jacks and FRs to center.
- (Debug issue with tilted IRM!)
LBB Sequence
- Decide final in-vacuum and in-air cable routing.
- Unclamp LBB ring sandwich; fully suspend Cu ring.
- Unscrew LBB from tank brackets.
- Hook LBB.
- Remove TBD amount of spacers from between LBB and tank brackets.
- Set LBB blade stops to nominal height.
- Extend foot screws on LBB to just barely support LBB.
- Adjust height of LBB magnet ring to set proper gap (4 mm??).
- Retract LBB foot screws.
- Add temporary ballast to LBB until LBB blades just barely sink below stops.
- Check distance from LBB to main beam height (or other suitable reference); adjust by screwing receptacles.
- Set foot screws to give ≈5 mm (or TBD) movement range of LBB below nominal.
- Set stop on LBB blades to give ≈3 mm (or TBD, less than Cu-magnet gap) of LBB above nominal.
2017-09-19
(No work Monday 9/18)
Main Assembly Sequence
- Debug BF LVDT actuation.
- Check F0 yoke height (top of coil former should be 37.5 mm above bottom of recess in top of baseplate) 36mm.
- Test all PI items:
- Yaw stepper (tested, not clearly working).
- F0 LVDT sensing
- F0 LVDT actuation
- Calibrate F0 LVDT.
- Horizontal LVDT sensing
- Horizontal LVDT actuation
- Geophones (issues with driver, cables, descramblers)
- Lock the F0 and SF keystones and measure the resonance frequency of the BF GAS 2 Measurements: f1=0.443 Hz, f2=0.454 Hz.
- Lock the SF and BF keystones and measure the resonance frequency of the F0 GAS 2 Measurements: f1=0.208 Hz, f2=0.210 Hz.
- Double check BS pitch with OL.
- Adjust SF damper ring to correct gap.
- Install lock nuts on F0 GAS FR at TBD positions.
Lock BF and F0 keystones (but not SF keystone).
- Lock RM to BS, IRM to IM and IM to RM.
- Lock RM, IRM and BF (but not SF) to security structure.
- Lock IP.
- Remove F0 keystone top plate (including yaw stepper) and immobilize SF/... in yaw.
- Attach lifting fixture.
- Remove BF- and SF-level crossbars.
- Remove geophones for craning.
- Disconnect in-vacuum cables from feedthrough and coil neatly for craning.
- Attach lifting plates.
Tank Preparation Sequence
- Attach Cu segments to LBB damper ring.
- Pass halves of LBB magnet ring into tank, join, and make sandwich for craning.
- Crane tank lid off.
- Crane LBB damper rings to top of tank and suspend.
- Crane suspension out of assembly frame.
- Attach LBB upper rods to LBB blade tips and rotate suspension 45° clockwise.
- Crane suspension into tank and connect upper rods to LBB Cu ring.
- Fix poorly seated head.
- Unlock suspension and readjust.
In parallel, time permitting
- Fix issue with geophone distributor.
2017-09-11
Main Assembly Sequence
- Debug other actuation.
- Remove F0-SF rod and reinstall with hex cable clamp.
- Route cables up past hex cable clamps.
- Adjust SF trim mass for pitch/roll/vertical.
- Route all SF/... cables through to the flange and test.
- Cable all PI items through to the flange.
- Disconnect the SS from the AF.
- Recheck/adjust SF/... yaw.
- Roughly level the PI so as to make the SS vertical.
- Unlock the IP and adjust the level of the PI and the horizontal FRs to center the IP.
- Test all PI items:
- Horizontal steppers
- Geophones
- Lock the F0 and BF keystones and measure the resonance frequency of the SF GAS. 425 mHz
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.
- Install LBB Cu damper ring in tank (less Cu for now).
- Apply magnets to LBB Magnet rings.
- Clean rust from screw holes in LBB magnet ring.
2017-09-04
Main Assembly Sequence
- Crane out SF.
- Raise BF cap and retrieve lost hex cable clamp PEEK piece.
- Crane in SF.
- Install SF-BF rod with hex cable clamp.
- Route cables via hex cable clamp up to below SF.
- Adjust BF ballast mass for total weight and pitch/roll.
- Look for missing screw from SF damper Cu segment in washed screws bag and reinstall.
- Adjust yoke on SF to put top of secondary at 6 mm above top of baseplate (or to give ≈0 counts at nominal height).
- Calibrate SF LVDT.
- Install SF main ballast mass.
- Cable and test SF fishing rod stepper.
- Add SF cap.
- Lift and weigh SF/... section.
In parallel
- Rearrange arc weights on PI to allow installation of magic wand.
- Install magic wand on PI.
- Rearrange magnets on SF damper magnet ring for full three Cu segments.
- Find Ni-plated rods for SF damper magnet ring and do fit check.
- Find PI-SF rod with 8 mm heads and matching receptacles and do fit check.
- Get Cu O-rings for feedthroughs.
- Recalibrate remachined LBB springs and choose best three.
2017-08-28
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.
- Add extra ballast mass to BF.
- Add BF cap but don't anchor cables.
- Cable and test BF cap picos.
- Lift BF/IRM/IM/RM/BS and weigh.
- Adjust BF ballast if necessary.
- Crane in SF.
- Remove Kapton tape from PI.
Electrical
- 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.
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).