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| Deletions are marked like this. | Additions are marked like this. |
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| ==== Report for week of 3/5 ==== * We removed the non-vacuum-compatible ballast mass from the BS tank. * We secured all the PR2 feedthrough connections with screws. * We grabbed an extra empty rack for SRM and set it up next to the one for SR3 (we will stuff them next week). * We calibrated the SR2 SF LVDT and FR. * We put the SF cap on and lifted and weighed the SF/... section. * We moved the filter building bench and tools into the SRM area and started the rebuild of the two remaining BFs (the one from the BS Test Hang and the one with the tilted keystone). * Mark finished -v2 of the schedule ([[https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=7779| L1807779]]). * Mark worked on slides for the ASJ and LVC meetings. * Sawada-san postponed the SRM mushroom work to next week and offloaded it to Mirapro. * ?? Finish recovering IM OSEM alignment. |
==== Report for week of 4/9 ==== * Mark glued prisms and magnet/standoff assemblies on the SR3. The SR3 needed to be raised in the box by 0.7 mm to make the prisms go on at the right height, which was done using M4 washers under the PEEK feet. * Mark glued ferromagnetic disks on the last 5 IM flags. This completes 2 sets, for SR3 and SRM. * Mark configured two pico motor drivers ordered by Takahashi-san as SR3-IM and SRM-BF. * Enzo and Kozu-kun finished preparing and calibrating the SF and BF for SR3 and almost entirely finished with those for SRM. * Hirata-san worked on building two IMs for SR3 and SRM. The SR3 one just needs to have flags attached and to be weighed; the SRM needs another few hours work. * Shoda-san worked on the design of the metal SRM, on the LBB ballast mass, and on the plans for testing the BS in bKAGRA Phase 1. |
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| ==== Plan for week of 3/12 ==== * Shoda-san at Mitaka. * Mark at ASJ (Chiba) Fri, then Mitaka. * Hirata-san vacation Mon 3/5; Kamioka Tue-Thu; Mitaka Fri * Others Kamioka Mon-Thu * F2F VIS Meeting and Farewell Party for Fabian at Mitaka on Friday. |
==== Plan for week of 4/16 ==== * Shoda-san at Mitaka * Tanioka-san at Kamioka Tue-Thu * Others at Kamioka full week |
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| * Install boxes in SR3 and SRM racks. * Lay SR3 in-air cabling. * Continue rebuild of BFs. |
* Move SF and BF for SRM out of the way. * Check results of gluing. * Build 1xRM * Calibrate OSEMs. * Start SR3 Hang * Reset assembly frame crossbars to correct heights. * Center the optical table. * Align the assembly frame vertically. * Install IM ring and IM. * Hang optic. * Hang RM. * Cable RM OSEMs. |
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| ==== Plan for week of 3/19 ==== * Mark at LVC meeting * All others at Mitaka |
==== Plan for week of 4/23 ==== * Shoda-san at Mitaka * Fujii-san at Mitaka? * Mark, Enzo at Kamioka * Hirata-san at Mitaka * Tanioka-san at Mitaka? |
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| * Make two sets of IM OSEMs * Make last in-air pico adapter cable * Make three in-air stepper splitter cables for SR2, SR3 and SRM. * Set up Dummy BS prism removal. |
* Clean parts (cable clamp bases, etc, etc). * Observe KAGRA Phase 1 operations, assist if problems arise. * Continue SR3 hang. |
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| ==== Plan for week of 3/26 ==== * Mark vacation. * Shoda-san at Mitaka * Others at Kamioka * -- * F0 Prototype Blade Test * Characterize blades. * Choose best set of three. * Remove cracked blades from filter in SRM area. * Set up test weights in SRM area, first floor. * Remove floor panel in SRM area, second floor. * Install chosen blades. * Measure load capacity. |
==== Plan for week of 4/30 ==== * Golden Week! |
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| * Mark at LVC, then vacation, 3/18 (Sun) - 4/1 (Sun) * Hirata-san vacation, Mon 3/5. |
Scraps of text for incorporation in the VIS Meeting Minutes
KAGRA/Subgroups/VIS/MeetingNAOJ
Type B (Mark)
Report for week of 4/9
- Mark glued prisms and magnet/standoff assemblies on the SR3. The SR3 needed to be raised in the box by 0.7 mm to make the prisms go on at the right height, which was done using M4 washers under the PEEK feet.
- Mark glued ferromagnetic disks on the last 5 IM flags. This completes 2 sets, for SR3 and SRM.
- Mark configured two pico motor drivers ordered by Takahashi-san as SR3-IM and SRM-BF.
- Enzo and Kozu-kun finished preparing and calibrating the SF and BF for SR3 and almost entirely finished with those for SRM.
- Hirata-san worked on building two IMs for SR3 and SRM. The SR3 one just needs to have flags attached and to be weighed; the SRM needs another few hours work.
- Shoda-san worked on the design of the metal SRM, on the LBB ballast mass, and on the plans for testing the BS in bKAGRA Phase 1.
Plan for week of 4/16
- Shoda-san at Mitaka
- Tanioka-san at Kamioka Tue-Thu
- Others at Kamioka full week
- --
- Move SF and BF for SRM out of the way.
- Check results of gluing.
- Build 1xRM
- Calibrate OSEMs.
- Start SR3 Hang
- Reset assembly frame crossbars to correct heights.
- Center the optical table.
- Align the assembly frame vertically.
- Install IM ring and IM.
- Hang optic.
- Hang RM.
- Cable RM OSEMs.
Plan for week of 4/23
- Shoda-san at Mitaka
- Fujii-san at Mitaka?
- Mark, Enzo at Kamioka
- Hirata-san at Mitaka
- Tanioka-san at Mitaka?
- --
- Clean parts (cable clamp bases, etc, etc).
- Observe KAGRA Phase 1 operations, assist if problems arise.
- Continue SR3 hang.
Plan for week of 4/30
- Golden Week!
To-Do Lists, Schedule
Vacation Info
- Fabian vacation, 3/26-4/27 (then gone).