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| ==== Past week report ==== | ==== Report for week of 1/29 ==== * Mark made two sets of in-air pico splitter cables (each with a triple for IM and a double for BF) for SR2 and SR3. * Fabian, Hirata-san and Kozu-kun worked on cabling and testing the IM pitch/roll/yaw picos, the BF FR and the BF LVDT. The LVDT connections were initially unreliable and Hirata-san had to redo the pins on the coil wires. * Fabian installed ballast masses in the BF. * Mark worked on schedule. * Mark did inventory of the stepper motor drivers (many were not accounted for on the wiki and/or JGWDoc and one is missing) and reserved two for SR3. |
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| * Mark worked on SR2 planning. * Mark thought through what would be required to swap an optic (e.g., SRM) in situ (JGW-T1707436). * Hirata-san tried removing disks from IM flags (so we could reuse them in flag bases and make a complete set for SR2) but only got 1 of 4 out. * Hirata-san ordered more disks for IM flags. * Hirata-san asked for quotes on SF LBB blades. * Hirata-san got a reduced quote for the LBB damper rings. * Hirata-san received and cleaned suspension wires for the SR. * Fabian worked on the SR mass budget. * Fabian worked out the COM of the SR2 optic, and Mark used it to derive the proper prism positions. * Enzo and Kozu-kun worked on control filter design and installation. |
==== Plan for week of 2/13 ==== * No work Monday (建国記念の日の振替休日) * Enzo on vacation * Hirata-san at Mitaka Tue, Wed (to receive and wash parts). * Shoda-san at Mitaka * All others at Kamioka. * - * Build IRM around IM. * Cable/test/adjust IM OSEMs. * Do TFs from IM OSEMs to IM OSEMs, OL pitch/yaw. |
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| ==== Plan for week of 11/27 ==== * Fabian at commissioning workshop * Hirata-san at Kamioka Tue-Fri to work with Mirapro on SRM LBB installation. * All others (Mark, Enzo, Shoda-san, Kozu-kun) at Kamioka to start SR2 assembly. * Mark from Mon lunchtime. * Kozu-kun from Mon lunchtime through Wed. * Mirror gluing. * SR2 rack setup. |
==== Plan for week of 2/19 ==== * Enzo back from Tuesday. * Shoda-san at Mitaka * All others at Kamioka. * - * Lift BF/... section and check total mass and balance. * Cable and test BF picos. * Add section of SS up to SF ring. * Bring in SF. * Hook BF/... section. * Route cables up to under SF. * Check/adjust total mass of BF/... section. |
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| ==== Plan for week of 12/4 ==== * All at Kamioka * IM assembly and pico test. * Assembly frame alignment and optical table centering. * OL setup. |
==== Plan for week of 2/26 ==== * Add Cu segments to SF cap. * Lift SF/... section and check total mass and balance. |
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| * Mark 12/22-1/3 * Enzo TBD, probably 12/22-1/3 * Fabian 12/22-1/5 * Hirata-san 12/21-22 (conference) |
* Enzo 1/30-2/19. * Fabian 4/2-4/27 vacation (then gone). |
Scraps of text for incorporation in the VIS Meeting Minutes
KAGRA/Subgroups/VIS/MeetingNAOJ
Type B (Mark)
Report for week of 1/29
- Mark made two sets of in-air pico splitter cables (each with a triple for IM and a double for BF) for SR2 and SR3.
- Fabian, Hirata-san and Kozu-kun worked on cabling and testing the IM pitch/roll/yaw picos, the BF FR and the BF LVDT. The LVDT connections were initially unreliable and Hirata-san had to redo the pins on the coil wires.
- Fabian installed ballast masses in the BF.
- Mark worked on schedule.
- Mark did inventory of the stepper motor drivers (many were not accounted for on the wiki and/or JGWDoc and one is missing) and reserved two for SR3.
Plan for week of 2/13
- No work Monday (建国記念の日の振替休日)
- Enzo on vacation
- Hirata-san at Mitaka Tue, Wed (to receive and wash parts).
- Shoda-san at Mitaka
- All others at Kamioka.
- -
- Build IRM around IM.
- Cable/test/adjust IM OSEMs.
- Do TFs from IM OSEMs to IM OSEMs, OL pitch/yaw.
Plan for week of 2/19
- Enzo back from Tuesday.
- Shoda-san at Mitaka
- All others at Kamioka.
- -
- Lift BF/... section and check total mass and balance.
- Cable and test BF picos.
- Add section of SS up to SF ring.
- Bring in SF.
- Hook BF/... section.
- Route cables up to under SF.
- Check/adjust total mass of BF/... section.
Plan for week of 2/26
- Add Cu segments to SF cap.
- Lift SF/... section and check total mass and balance.
Vacation Info
- Enzo 1/30-2/19.
- Fabian 4/2-4/27 vacation (then gone).