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Size: 1900
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Size: 1319
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| At Kamioka (Mark, Ohishi-san, Enzo, Yoshioka-kun, Kozu-kun): * We finished installing the RM OSEMs and installed the new Type5-2.2 and 5-2.4 OSEM cables. * We hung the RM and set its pitch. * We doubled-checked the BS and RM pitch, tightened the clamps and removed the winch system. * We installed the bottom section of the security structure to protect the RM/BS. * We lifted the IM/RM/BS section and weighed it. It was about 1.25 kg too heavy for the new BF, so we improvised a lighter set of ballast masses. * We installed the section of the security structure up to the BF ring, and the BF crossbars and jacks of the assembly frame. * We brought in the new BF. * We installed the BF-IRM rods and IRM top plate. * We reinstalled the IM flags and other items that had been taken off to use the winch system. * We hooked the BF-IM rod (with hex cable clamp). (We did not unlock the BF keystone.) * We cabled and tested the IM-PIT, IM-ROL and IM-YAW picos and the BF FR stepper (but not, yet, the BF LVDT). |
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| ==== Plan for week of 8/14 ==== Site closure: Mon, Tue<<BR>> Vacation: Fabian (Mon-Fri)<<BR>> Kamioka: Mark (Wed-Fri), Enzo (Wed-Fri), Yoshioka-kun (Wed, Fri), Ohishi (Thu-Fri).<<BR>> * Remove LBB blade units from PI, then remove blades and send for remachining. * Remove LBB rings from chamber and send for recleaning. * Unlock BF, adjust ballast masses on IM/RM/BS to correct pitch/roll/vertical. * Test, calibrate BF LVDT. Mitaka: Hirata-san (Mon-Fri)<<BR>> * SR Stuff |
* Mark and Fabian did a huge cleanup of the SR2 area and prepared a workspace for assembling the IM. * Fabian did a stocktake of the screws for the SR. * We have all we need for the IM, except one type that can be added after the rest of the IP is assembled. * We have most of what we need for the rest of the payload, and Hirata-san has ordered the others. * Hirata-san worked on SR procurement: * Suspension wire * SR additional parts (compensation masses, clamps etc) * Regular, SDC and BUMAX screws. * Additional machining on the BS sapphire prism jig to allow it to be used on the PR/SR mirror box. * LBB blade design. * Enzo and Kozu-kun (with help from Fujii-kun) worked on export from SUMCON to Matlab, and on filter design. |
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| ==== Plan for week of 8/21 ==== Vacation: Fabian (Mon)<<BR>> Kamioka: Mark, Ohishi, Fabian (Tue-Fri), Enzo, Yoshioka-kun (Tue, Wed, Fri), Kozu-kun. |
==== Plan for week of 11/20 ==== * Holiday on Thu 3/23 * All at Mitaka. * SR procurement, planning (Mark, Hirata-san) * SR mass budget (Fabian) * BS modeling filter design (Enzo, Kozu-kun) |
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| Vacation Info: Fabian: Fri 8/4 through Mon 8/21 Mark: TBD Mid-Oct |
==== Plan for week of 11/27 ==== * Fabian at commissioning workshop * Hirata-san at Kamioka to work with Mirapro on SRM LBB installation. * All others at Kamioka to start SR2 assembly. |
Scraps of text for incorporation in the VIS Meeting Minutes
KAGRA/Subgroups/VIS/MeetingNAOJ
Type B (Mark)
Past week report
- Mark and Fabian did a huge cleanup of the SR2 area and prepared a workspace for assembling the IM.
- Fabian did a stocktake of the screws for the SR.
- We have all we need for the IM, except one type that can be added after the rest of the IP is assembled.
- We have most of what we need for the rest of the payload, and Hirata-san has ordered the others.
- Hirata-san worked on SR procurement:
- Suspension wire
- SR additional parts (compensation masses, clamps etc)
- Regular, SDC and BUMAX screws.
- Additional machining on the BS sapphire prism jig to allow it to be used on the PR/SR mirror box.
- LBB blade design.
- Enzo and Kozu-kun (with help from Fujii-kun) worked on export from SUMCON to Matlab, and on filter design.
Plan for week of 11/20
- Holiday on Thu 3/23
- All at Mitaka.
- SR procurement, planning (Mark, Hirata-san)
- SR mass budget (Fabian)
- BS modeling filter design (Enzo, Kozu-kun)
Plan for week of 11/27
- Fabian at commissioning workshop
- Hirata-san at Kamioka to work with Mirapro on SRM LBB installation.
- All others at Kamioka to start SR2 assembly.