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| Deletions are marked like this. | Additions are marked like this. |
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| At Kamioka (Mark, Enzo, Yoshioka-kun): * We experimented with rearranging the arc weights to accommodate the magic wands and came up with a suitable scheme. * We used spare arc weights as extra ballast on the LBB to get it to float, and measured the height for a known load. * We put the blocks back under the LBB and unhooked it. * We moved the suspension from the tank back to the assembly frame. * We craned the LBB rings down onto the LBB but did not remove them yet. (This however is the last crane work in the tank until reinstallation, so the lid does not have to come off again and the pallet can be used for the PI.) * We put the crossbars back in the assembly frame underneath the SF and BF (and corrected an error in the height of the BF ones). * Enzo started setting up the SR3 rack (with help from Yamamoto-san). * We received the real BS optic and gluing tools, and glued the disks and rods into the modified magnet jigs. We also tried the re-made secondary prisms in the gluing jigs and made shims to hold them more securely. |
At Kamioka (Mark, Fabian, Hirata-san, Yoshioka-kun): * We reconfigured the top of the assembly frame. * We cleaned the assembly frame, blowing dust out of the grooves and wiping all surfaces. * We recentered the optic table in the bottom of the frame and adjusted the frame until the top was centered over the optic table. We also recentered the trolleys. * We re-installed, centered and leveled the IM. * We solved two issues with the new wire clamps: * Some holes were not properly threaded - Hirata-san retapped them. * Some locating pins were loose - we glued them. * We mounted the BS mirror box on the trolley and brought it under the IM. * We installed the winch system and the 300 µm wires for the BS. * We set up the optical lever. * Hirata-san finished the new BF. We moved the old BF out of the cleanbooth and the new one in. |
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| At Mitaka (Fabian and Hirata-san): * Hirata-san shipped the optic and gluing tools to Kamioka. * Hirata-san did drawings and RFQs for IM/BF/SF ballast masses * Fabian worked on the SRx assembly frame. |
==== Plan for week of 8/7 ==== Site closure: Friday<<BR>> Vacation: Enzo (Mon), Fabian (Mon-Fri)<<BR>> Kamioka: Mark (Mon-Thu), Enzo (Tue-Thu), Yoshioka-kun (Tue, Wed), Ohishi (TBD).<<BR>> * Finish hanging BS * Hang RM. * Weigh/trim BS/RM/IM. * Suspend BS/RM/IM, add IRM. * Lay new in-air OSEM cables. Mitaka: Hirata-san (Mon-Fri)<<BR>> * SR stuff. |
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| ==== Plan for week of 7/18 ==== Full team at Kamioka from Tue-Fri, except Hirata-san (Tue-Wed only). * Glue prisms/magnets on BS. * Dismantle suspension. * Finish setting up filter service area (mostly already done by Mirapro). * Move BF to filter service area. ==== Plan for week of 7/24 ==== Full team at Kamioka from Mon-Fri, except Hirata-san (Tue-Fri) and Enzo (vacation). * Recheck alignment of assembly frame and centering of optical table. * Install IM, suspend BS and RM. |
==== Plan for week of 8/14 ==== Site closure: Mon, Tue<<BR>> Vacation: Fabian (Mon-Fri) Kamioka: Mark (Wed-Fri), Enzo (Wed-Fri), Yoshioka-kun (Wed, Fri), Ohishi (TBD).<<BR>> Mitaka: Hirata-san (Mon-Fri)<<BR>> |
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| Hirata-san: Thu 7/20 through Mon 7/24 |
Scraps of text for incorporation in the VIS Meeting Minutes
KAGRA/Subgroups/VIS/MeetingNAOJ
Type B (Mark)
Past week report
At Kamioka (Mark, Fabian, Hirata-san, Yoshioka-kun):
- We reconfigured the top of the assembly frame.
- We cleaned the assembly frame, blowing dust out of the grooves and wiping all surfaces.
- We recentered the optic table in the bottom of the frame and adjusted the frame until the top was centered over the optic table. We also recentered the trolleys.
- We re-installed, centered and leveled the IM.
- We solved two issues with the new wire clamps:
- Some holes were not properly threaded - Hirata-san retapped them.
- Some locating pins were loose - we glued them.
- We mounted the BS mirror box on the trolley and brought it under the IM.
- We installed the winch system and the 300 µm wires for the BS.
- We set up the optical lever.
- Hirata-san finished the new BF. We moved the old BF out of the cleanbooth and the new one in.
Plan for week of 8/7
Site closure: Friday
Vacation: Enzo (Mon), Fabian (Mon-Fri)
Kamioka: Mark (Mon-Thu), Enzo (Tue-Thu), Yoshioka-kun (Tue, Wed), Ohishi (TBD).
- Finish hanging BS
- Hang RM.
- Weigh/trim BS/RM/IM.
- Suspend BS/RM/IM, add IRM.
- Lay new in-air OSEM cables.
Mitaka: Hirata-san (Mon-Fri)
- SR stuff.
Plan for week of 8/14
Site closure: Mon, Tue
Vacation: Fabian (Mon-Fri) Kamioka: Mark (Wed-Fri), Enzo (Wed-Fri), Yoshioka-kun (Wed, Fri), Ohishi (TBD).
Mitaka: Hirata-san (Mon-Fri)
Vacation Info: Enzo: Sat 7/22 through Sun 8/6 Fabian: Fri 8/4 through Mon 8/21 Mark: TBD Mid-Oct