Agenda/Minutes of the VIS Meeting on 2018/4/20
2018/4/20 13:30 - 15:20
Participants: Mark, Shoda, Takahashi, Sato, Aso, Okutomi, Ishizaki, Tanioka, Eleonora, Enzo, Fujii, Hirata, Akutsu, Tanaka
Progress report
Schedule Chart
Type-A : (PDF/MPP)
Type-B: (PDF/MPP)
Type-A (Takahashi)
Past week report
[X-front]
- Bent and formed six blades to mount on the TF base.
- Mounted the blades on the TF base.
- Put the damper ring with magnets on the F1.
- Mounted the PI on the bridge frame with the maraging wire.
- Suspended the filter chain from the TF. Needed load was about 700kg for the TF in spite of target load of 580kg.
- Removed one blade and rearranged two blade. The TF could work without additional load.
- Suspended the damper ring from the TF base. One hook screw galled.
- Cabled between the F1 and the upper small hexagon.
- Inserted the wire clamp.
- Dismounted the PI and bridge frame.
- Checked the cable connections.
- Lifted down the F1 into the corrugate tube. The top ring sit on the frame lock.
- Installed the PI into the top chamber.
Plan for coming weeks
[X-front]
- Cable to the feedthroughs.
- Set the ACCs.
- Calibrate the LVDTs for the BF damper and the IP.
Type B (Mark)
Report for week of 4/9
- We packed away the SRM SF and BF.
- After several failed attempts with one secondary prism, Mark finished the SR3 prism/magnet gluing.
- Tanioka-kun built two IRMs (less OSEMs).
- Enzo built an RM.
- Kozu-kun and Enzo calibrated one set of 6 IM OSEMs for SR3. (6 OSEMs for SRM remain to be done.)
- Hirata-san aligned the assembly frame, installed the interface bars and IM ring, and installed the IM.
- Eleonora and Izumi-san revisited the BS length to tilt coupling, which had degraded, and got it working again.
Plan for week of 4/23
- Shoda-san at Mitaka.
- Hirata-san at Kamioka Mon-Wed, then Mitaka.
- Kozu-kun at Kamioka Wed-Fri (but may be working with PEM on Fri).
- Others (Mark, Enzo, Tanioka-kun) at Kamioka full week
- --
- Continue SR3 Hang
- Hang optic.
- Hang RM.
- Cable RM OSEMs.
Plan for week of 4/30
- Shoda-san at Mitaka.
- Mark, Enzo at Kamioka Mon-Wed or TBD.
- Others having fun doing Golden Week stuff.
- --
- Observe KAGRA Phase 1 operations, assist if problems arise.
- Do BF TFs.
- Continue SR3 hang.
To-Do Lists, Schedule
Vacation Info
- Fabian vacation, 3/26-4/27 (then gone).
Type-Bp (Shoda)
Past week report
Plan for coming weeks
OMMT & OSTM (Ohishi)
Past week report
Plan for coming weeks
Watchdog system (Tanaka)
Past week report
Plan for coming weeks
Other site works
Safety
- Incidents:
- Foreseen risks
- Type-A:
- Type-B:
- Type-Bp:
Discussion
- Composite SRM design (Shoda)
- ETMY tower repair (Takahashi, Okutomi)
- LVDT drivers
- Buy 10 sets
- Check the broken boards in Mitaka
Travel Plans
- Travel (Week of 4/23):
- Takahashi: 23 -27
- Okutomi: 23 -
- Sato: 24 -27
- Ishizaki:
- Mark: 23 -27
- Hirata: 23 -25
- Enzo: 23 -27
- Shoda:
- Ohishi:
- Fujii: 23 -27
- Tanioka: 23 -
- Tanaka:
- Kozu (ICRR): 25 -27
- Arai (ICRR):
- Travel (Week of 4/30):
- Takahashi:
- Okutomi: - 5/3
- Sato:
- Ishizaki:
- Mark: 4/31 - 5/2
- Hirata:
- Enzo: 4/31 - 5/2
- Shoda:
- Ohishi:
- Fujii:
- Tanioka: - 5/6
- Tanaka:
- Kozu (ICRR): 4/30 - 5/1
- Arai (ICRR):
Next meeting
On 2018/4/27(Fri)