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| * [[https://dacgit.icrr.u-tokyo.ac.jp/projects/kagra/issues/gantt?action=show&controller=gantts&f%5B%5D=status_id&f%5B%5D=subject&f%5B%5D=&gantt=1&month=3&months=6&op%5Bstatus_id%5D=o&op%5Bsubject%5D=~&project_id=kagra&query%5Bdraw_progress_line%5D=0&query%5Bdraw_relations%5D=1&set_filter=1&utf8=%E2%9C%93&v%5Bsubject%5D%5B%5D=%5BITMX%5D&year=2021&zoom=2|ITMX]] |
Contents
Agenda/Minutes
CRY+VIS Interface Meeting
Date : 13:30-13:45
Participants :
Schedule
- IX: Setting Oplev by 3/10. Preparing additional spring for BF.
- IY: Disconnection is scheduled on 3/11.
- EX: Connection is scheduled in the week of 3/15.
Status
- Corrugate tube fixing jig: Started the vent of IYV chamber on 26th. Re-measurement is on going in 2/25-3/2 at IYV.
- Commissioning in air: Commissioning of IX will be delay. From April?
- Commissioning in vacuum: From May?
- Acceptance check: Cryo-payload in IX/EX and Type-A tower in EY/IX are on going.
- PF actuator: Not evaluated in IX, but after the commissioning for suspension.
- Jig for FC painting: Assembling.
- Overall commissioning: To be considered about personnel.
Discussion
- [Miyo] オフロード作業を無くすためのアイデア募集
- 問題意識：真空圧力が変わるとIPが傾いてPayloadが自身のEQフレームに当たる。（完全に傾かないようにする治具はそもそも不可能なので、傾いても大丈夫なアイデアがほしい。）
[Miyo] そもそも、IPが傾いてIPのEQストップに当たった状態でもPayloadも同じく当たらないよう十分に退避させれば良い話に思える。その場合、IPがEQに当たった状態でFRをつかってもとに戻せるかどうか確認すべき。これはAcceptanceCheckに追加すべきか？
VIS Meeting
14:00-14:30
Participants: Takahashi, Hirata, Miyo, Sato, Fabian, Sugiyama, Ishizaki, Aso, Terrence, Tanaka
Schedule
memo
- Type-A team: IXV in 3/1-3, IMC in 3/4-5
- Type-B team: EXV in 3/1-2, PR3 in 3/3-5
Progress report
| << < 2021 / 3 > >> | ||||||
|---|---|---|---|---|---|---|
| Mon | Tue | Wed | Thu | Fri | Sat | Sun |
| 1 | 2 | 3 | 4 | 5 | 6 | 7 |
| 8 | 9 | 10 | 11 | 12 | 13 | 14 |
| 15 | 16 | 17 | 18 | 19 | 20 | 21 |
| 22 | 23 | 24 | 25 | 26 | 27 | 28 |
| 29 | 30 | 31 | ||||
TypeA
- Replacement of LVDT coils for F0 in EX.
TypeB
TypeBp
TypeC
- Investigation and recovery of IMC suspensions are requested.
Electronics
Control
Safety
Discussion
- O3GK Noise Budget : Seismic noise through the Type-A tower
https://gokagra.slack.com/archives/C015M111B5G/p1611978135005400
- Calculation for the ETMY : much smaller than O3GK sensitivity, but larger than the design sensitivity
Travel Plans
The week from 3/1
- Takahashi: 3/1-5
- Sato: 3/1-5
- Hirata: 3/1-5
- Yano: 3/1-5
The week from 3/8
- Takahashi: 3/8-3/12
- Sato: 3/8-3/12
- Hirata: 3/8-3/12
- Yano: 3/8-3/12
Next meeting
- 2021/3/5(FRI)