Size: 5372
Comment:
|
Size: 2829
Comment:
|
Deletions are marked like this. | Additions are marked like this. |
Line 1: | Line 1: |
= VIS Type B Near Term To-Do List = | = VIS Type B BS Near Term To-Do List = |
Line 3: | Line 3: |
[[../ToDoOld|Archived To-Do Items]] | [[../ToDoOldBS|Archived BS To-Do Items]] [[../ToDoSR|SR To-Do Items]] |
Line 8: | Line 10: |
[[#RealBSHang|Preparation for Real BS Hang]] [[#SRPrepTasks|Preparation for SR Installation]] |
|
Line 23: | Line 21: |
== Coming Weeks 2017-07-03 == === Facilities === |
|
Line 26: | Line 22: |
=== Design/Documentation/Planning === * Organize new OL for setting BS pitch. * Solve magic wand problem. * Try rearranging arc weights to make room for magic wand (3D CAD or actual weights; Fabian or Hirata-san). * If needed based on previous, order longer threaded rods for arc weights on PI (Hirata-san). * Alternatively, have magic wand cut down (Hirata-san). * Final ballast mass design for BF and SF. * --(Revised design (Fabian).)-- * 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 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). * 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. |
== 2017-10-10 == |
Line 51: | Line 24: |
== 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).)-- * Clean magnet jigs, prisms (Hirata). * Assemble (with glue) magnet jigs. (Mark) * Glue flags/prisms. === Electronics === * Document LVDT driver rebuild and other changes. * --(Fix #0 LVDT actuator coil.)-- * Get pico drive screens fixed (Miyo-kun) |
=== 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 and replace screws. * Check that all in-air cables are labeled. * If possible, reroute cable to eliminate need for fifth feedthrough. * Debug all electronics, especially actuation. * Measure IP period; adjust ballast mass. * Calibrate all LVDTs. --(BF)--, --(SF)--, --(PI-GAS)--, PI-H1, PI-H2, PI-H3 * Calibrate IP LVDT sensing against IP LVDT actuation, IP FRs. * Set all EQ stops to TBD clearance. * Install small KOACH filters on LBB. * Remove First Contact. * Cable optical lever (Simon, Enzo) * Align optical lever (Simon) * Get ready for full TFs. |
Line 67: | Line 42: |
=== Main Assembly === * Do TFs. * Experiment with rearranging arc weights to accommodate magic wand. * Remove arc weights; load onto LBB; measure total load capacity. * Unload arc weights and store. * Dismantle LBB and rings. * Remove screw feet. * Replace blocks. * Unhook. * Reinstall spacers and clamps on LBB damper rings. * Unhook rods supporting LBB intermediate ring. |
=== Etc === * Move stuff out of PR2 area. * Tidy/label parts. * Move safety bars from BS AF area to SR2 area. * (Put up safety bars in SR3 area.) * Close hole in floor above BS AF area. |
Line 79: | Line 49: |
=== Software === * Enter new IP matrices and do safe.snap. * Send stepper driver info to Miyo-kun. * Update real-time model to number channels from #0. * Remove old OL stuff; add link to new OL stuff. * Remove unused screens. * Sort out SVN. * Add support for comments to SUMCON. * Create SUMCON model with values commented. * Derive matrices for IP FRs. |
|
Line 81: | Line 61: |
== Real BS Hang Tasks == | == Tasks Not To Forget == |
Line 83: | Line 63: |
* 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). * 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. |
* 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. |
Line 100: | Line 69: |
* Get clean bag laundered. | |
Line 102: | Line 70: |
* Swap out temporary ballast mass in BF, SF. | |
Line 104: | Line 71: |
* Lock washers for LBB dampers | |
Line 106: | Line 72: |
* 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. |
|
Line 115: | Line 74: |
* 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). |
|
Line 130: | Line 83: |
* 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
2017-10-10
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 and replace screws.
- Check that all in-air cables are labeled.
- If possible, reroute cable to eliminate need for fifth feedthrough.
- Debug all electronics, especially actuation.
- Measure IP period; adjust ballast mass.
Calibrate all LVDTs. BF, SF, PI-GAS, PI-H1, PI-H2, PI-H3
- Calibrate IP LVDT sensing against IP LVDT actuation, IP FRs.
- Set all EQ stops to TBD clearance.
- Install small KOACH filters on LBB.
- Remove First Contact.
- Cable optical lever (Simon, Enzo)
- Align optical lever (Simon)
- Get ready for full TFs.
Etc
- Move stuff out of PR2 area.
- Tidy/label parts.
- Move safety bars from BS AF area to SR2 area.
- (Put up safety bars in SR3 area.)
- Close hole in floor above BS AF area.
Software
- Enter new IP matrices and do safe.snap.
- Send stepper driver info to Miyo-kun.
- Update real-time model to number channels from #0.
- Remove old OL stuff; add link to new OL stuff.
- Remove unused screens.
- Sort out SVN.
- Add support for comments to SUMCON.
- Create SUMCON model with values commented.
- Derive matrices for IP FRs.
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
- Put pointy-tipped screw in RM trolley for BS
- Return/replace borrowed parts:
- Temporary ballast mass (dog clamps) in BF.
Electrical
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.