Agenda/Minutes of the VIS Meeting on 2018/7/20
2018/7/20 13:30 -
Participants:
Progress report
Schedule Chart
Type-A : (PDF/MPP)
Type-B: (PDF/MPP)
Type-A (Takahashi)
Past week report
[SRM]
- Dismounted the top filter for SRM from the IP for Type-A. Packed the IP to the box.
- Combined the top filter and the IP.
[Y-front]
- Transported the IPs from/to the first floor.
- Measured the transfer functions of the BF/F3/F2 by the digital system.
- Cabled in the F1.
- Assembled the cup of F1 (Cu plates, connector plates) and closed the cup.
- Measured the weight of F1.
[X-front]
- Evaluated the ACCs.
- Fixed the cables between the cryo-payload (CP) and the BF at the lower points on the wire.
- Connected the cables to the BF.
- The CP was installed and suspended from the BF.
- Adjusted the height of CP. The height of BF was set to 67.5mm.
Plan for coming weeks
- Setting of the F1 in Y-front.
- Setting of the top filter in X-front.
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.
Type-Bp (Shoda)
Past week report
Plan for coming weeks
OMMT & OSTM (Ohishi)
Past week report
Plan for coming weeks
VIS electronics (Tanaka)
Past week report
Plan for coming weeks
Other site works
- July 26 11:30 - 12:30: Monthly crane inspection
- Sept 10(Mon): Planned power outage
Safety
- Incidents:
- Foreseen risks
- Type-A:
- Type-B:
Discussion
- ETMX F2 status
- SR2 TF optimal load problem
- SR cable procurement
- VIS talk at the F2F in Toyama U
VIS introduction page
- Survey to point out different aspects that should be covered in a introductory lecture for KAGRA.
Travel Plans
- Travel (Week of 7/23):
- Takahashi:
- Okutomi:
- Sato:
- Lucia:
- Ishizaki:
- Mark:
- Hirata:
- Enzo:
- Panwei
- Terrence:
- Shoda:
- Ohishi:
- Fujii:
- Tanioka:
- Tanaka:
- Kozu (ICRR):
- Arai (ICRR):
- Travel (Week of 7/30):
- Takahashi:
- Okutomi:
- Sato:
- Lucia:
- Ishizaki:
- Mark:
- Hirata:
- Enzo:
- Terrence:
- Panwei
- Shoda:
- Ohishi:
- Fujii:
- Tanioka:
- Tanaka:
- Kozu (ICRR):
- Arai (ICRR):
Next meeting
On 2018/7/27(Fri)