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Size: 2653
Comment:
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Size: 3324
Comment:
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| Deletions are marked like this. | Additions are marked like this. |
| Line 21: | Line 21: |
| [Y-front] * Adjusted the tilt of BF arranging the location of ballast masses. * Adjusted the yow position of IP. Set the operation point at 5mm from the center in CW. * Adjusted the yaw position of BF using the yaw FR in the TF. [X-front] * To improve the motion of yaw FR in the TF, added the coil springs with side bar on the receptacle. * The strength to pull back the receptacle was increased, but still not enough. * Released the IP. One horizontal FR reached at the limit, it was recovered. * Adjusted the position of IP by the jacks and the horizontal FR. [Y-end] * Locked the IP. |
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| Line 22: | Line 36: |
| * Finalization of yaw FR in X-front (Feb 5-6). |
Agenda/Minutes of the VIS Meeting on 2019/1/25
2019/1/25 13:30 -
Participants:
Progress report
Schedule Chart
Site work schedule: XLSX
Type-A : (PDF/MPP)
Type-B: (PDF/MPP)
Type-C: (XLSX)
Type-A (Takahashi)
Past week report
[Y-front]
- Adjusted the tilt of BF arranging the location of ballast masses.
- Adjusted the yow position of IP. Set the operation point at 5mm from the center in CW.
- Adjusted the yaw position of BF using the yaw FR in the TF.
[X-front]
- To improve the motion of yaw FR in the TF, added the coil springs with side bar on the receptacle.
- The strength to pull back the receptacle was increased, but still not enough.
- Released the IP. One horizontal FR reached at the limit, it was recovered.
- Adjusted the position of IP by the jacks and the horizontal FR.
[Y-end]
- Locked the IP.
Plan for coming weeks
- Finalization of yaw FR in X-front (Feb 5-6).
Type B (Mark)
Past week report
Plan for coming weeks
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
Safety
- Incidents:
- Foreseen risks
- Type-A:
- Type-B:
Discussion
Updated KAGRA schedule
- 1/23 BS will be aligned to Y-end PD by IR.
- 1/24-25 ITMX will be aligned to REFL by IR.
- 1/24-25 ITMY will be aligned to REFL by IR.
SR2 and SR3 must be ready: 1/26
- 1/26 Beam position of IR at SR3 will be confirmed how far from the center.
- 1/28-29 SR3 will be aligned to SR2 center by IR.
- 1/30 Green beam will be injected from SR2 AR surface to Y end PD.
- 1/31 Removing bellows at PR and SR area.
- 1/31-2/1 Cleaning HR of PR3 and AR of SR2
SRM must be ready: 2/4
2/4-8: Alignment of SR2 -> SRM by IR, SRM -> OMMT by IR -> OMMT -> OSTM by IR, OSTM -> OMC by IR
2/4-8: Alignment of ETMY -> POS by Green
- 2/12-13: Close the center area chambers
- 2/14-15: Center area pump down.
Vacuum monitoring
- 2/14(Thu)-15(Fri): Center area pump down
- 2/15(Fri) - 2/16(Sat): ITMX, ITMY, pump down
- 3/6(Wed)- 3/7(Thu): ETMY pump down
- 3/21(Thu) - 3/22(Fri): ETMX pump down
Travel Plans
- Travel (Week of 1/28):
- Takahashi:
- Okutomi:
- Sato:
- Lucia:
- Fabian:
- Mark:
- Hirata:
- Enzo:
- Shoda:
- Ohishi:
- Fujii:
- Tanioka:
- Tanaka:
- Terrence
- Travel (Week of 2/4):
- Takahashi:
- Okutomi:
- Sato:
- Lucia:
- Fabian:
- Mark:
- Hirata:
- Enzo:
- Shoda:
- Ohishi:
- Fujii:
- Tanioka:
- Terrence
Next meeting
On 2019/2/1(Fri)