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==== Report for week of 3/19 ==== * Fujii-kun successfully assembled and tested a geophone pod (klogs 4492, 4508). * Hirata-san set up the dummy BS to soak off the sapphire prisms. (In process) * Shoda-san, Hirata-san and Enzo finished the assembly of 12 OSEMs. We still need to measure the maximum output (In process) * We will send the OSEMs to Kamioka today. |
==== Report for week of 7/17 ==== * We checked the polarity of the IP LVDTs and flipped coil connections to get the standard arrangement. * We debugged an issue where one of the LVDT actuators had half the magnets in backwards resulting in no force. * We calibrated all the PI LVDTs. * We set the SF damper ring gap. * We prepped the suspension for craning, moved it into the tank and hooked the LBB damper ring rods. * Type A merged the SRM F0 with the correct IP, and we moved it out of the way (to the second floor behind the SRM tank). * We installed more cable clamps on the SR2 PI. |
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==== Plan for week of 7/23 ==== * Mark, Enzo, Fabian, Kozu-kun, Terrence, Panwei at Kamioka Mon-Fri. * Hirata-san at Kamioka Mon-Thu. * Mirapro moves assembly frame ≈7/25 (Wed). |
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==== Plan for week of 3/26 ==== * Tanioka-kun joins. * Mark vacation. * Shoda-san at Mitaka * Others at Kamioka * -- * Lay SR3 in-air cabling (Enzo++). * Finish tuning of BFs (Hirata-san++). * SF check (Hirata-san++). * Check load capacity. * Check fit of caps. * Add cable clamps to bases. * Add cable clamps and Cu segments to caps (only if they fit well). * Cable LVDTs and steppers. ==== Plan for week of 4/2 ==== * Mark at Mitaka Mon, Kamioka from Tue. * Shoda-san at Mitaka * Others at Kamioka * -- * Glue SR3 (if available) * Build 2xIM, 2xIRM (if parts available - due 3/30) ==== Plan for week of 4/9 ==== * Shoda-san at Mitaka * Others at Kamioka * -- * Finish IMs and IRMs * Build 1xRM ==== Plan for week of 4/16 ==== * Start SR3 Hang? ==== Plan for week of 4/23 ==== * F0 blade prototype test ==== Plan for week of 4/30 ==== * Golden Week! |
===== SR3 ===== * Unlock suspension. * Rearrange cables. * Test. ===== SR2 ===== * Finish PI prep. * Crane into AF, suspend. * Start cable routing. ===== SRM ===== * Prepare to assemble SRM metal mass (most parts due Wed 7/25). * Help Mirapro with AF move. * Start rebuild of top filter of PI #2. |
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* [[KAGRA/Subgroups/VIS/TypeB/March2018]] * [[KAGRA/Subgroups/VIS/TypeB/April2018]] |
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* [[https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=7779|JGW-L1807779-v1 Type B Schedule (SR)]] | * [[https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=7779|JGW-L1807779 Type B Schedule (SR)]] |
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* Mark at LVC, then vacation, 3/18 (Sun) - 4/1 (Sun) * Fabian vacation, 3/26-4/27 (then gone). |
* Hirata-san at Mitaka 7/27. * Terrence: 8/24-26 f2f, then returns to Hong Kong. * Enzo: 9/14 JPS, 9/15 through 10/8 vacation in Chile. |
Scraps of text for incorporation in the VIS Meeting Minutes
KAGRA/Subgroups/VIS/MeetingNAOJ
Type B (Mark)
Report for week of 7/17
- We checked the polarity of the IP LVDTs and flipped coil connections to get the standard arrangement.
- We debugged an issue where one of the LVDT actuators had half the magnets in backwards resulting in no force.
- We calibrated all the PI LVDTs.
- We set the SF damper ring gap.
- We prepped the suspension for craning, moved it into the tank and hooked the LBB damper ring rods.
- Type A merged the SRM F0 with the correct IP, and we moved it out of the way (to the second floor behind the SRM tank).
- We installed more cable clamps on the SR2 PI.
Plan for week of 7/23
- Mark, Enzo, Fabian, Kozu-kun, Terrence, Panwei at Kamioka Mon-Fri.
- Hirata-san at Kamioka Mon-Thu.
- Mirapro moves assembly frame ≈7/25 (Wed).
SR3
- Unlock suspension.
- Rearrange cables.
- Test.
SR2
- Finish PI prep.
- Crane into AF, suspend.
- Start cable routing.
SRM
- Prepare to assemble SRM metal mass (most parts due Wed 7/25).
- Help Mirapro with AF move.
- Start rebuild of top filter of PI #2.
To-Do Lists, Schedule
Vacation Info
- Hirata-san at Mitaka 7/27.
- Terrence: 8/24-26 f2f, then returns to Hong Kong.
- Enzo: 9/14 JPS, 9/15 through 10/8 vacation in Chile.