Differences between revisions 1 and 3 (spanning 2 versions)
Revision 1 as of 2019-01-18 09:53:57
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Editor: YoichiAso
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Revision 3 as of 2019-01-18 13:24:11
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Deletions are marked like this. Additions are marked like this.
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[X-front]
  * Assembled yaw rotation mechanism (yaw FR) with the stepping motor.
  * Attached the yaw FR to the top plate. Connected the cable.
  * Tested the stepping motor. The friction to the TF receptacle was very large.
  * The yaw torque to the BF was large. Lifted up the BF by 4mm at the TF keystone. The torque was settled.
  * Found the screw for the brim ring stuck. It was repaired and reinstalled.
  * Adjusted the yaw position of BF damper.
Line 20: Line 28:
  * Lock the IP in Y-end.
  * Adjust the IP position and the level of BF in Y-front.

Agenda/Minutes of the VIS Meeting on 2019/1/18

2019/1/18 13:30 -

Zoom Meeting

Participants:

Progress report

Schedule Chart

Type-A : (PDF/MPP)

Type-B: (PDF/MPP)

Type-C: (XLSX)

Type-A (Takahashi)

Past week report

[X-front]

  • Assembled yaw rotation mechanism (yaw FR) with the stepping motor.
  • Attached the yaw FR to the top plate. Connected the cable.
  • Tested the stepping motor. The friction to the TF receptacle was very large.
  • The yaw torque to the BF was large. Lifted up the BF by 4mm at the TF keystone. The torque was settled.
  • Found the screw for the brim ring stuck. It was repaired and reinstalled.
  • Adjusted the yaw position of BF damper.

Plan for coming weeks

  • Lock the IP in Y-end.
  • Adjust the IP position and the level of BF in Y-front.

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

  • Crane inspection: 1/21 11:30 - 12:30

Safety

  • Incidents:
  • Foreseen risks
    • Type-A:
    • Type-B:

Discussion

Travel Plans

  • Travel (Week of 1/21):
    • Takahashi:
    • Okutomi:
    • Sato:
    • Lucia:
    • Fabian:
    • Mark:
    • Hirata:
    • Enzo:
    • Shoda:
    • Ohishi:
    • Fujii:
    • Tanioka:
    • Tanaka:
    • Kozu (ICRR):
    • Arai (ICRR):
  • Travel (Week of 1/28):
    • Takahashi:
    • Okutomi:
    • Sato:
    • Lucia:
    • Fabian:
    • Mark:
    • Hirata:
    • Enzo:
    • Shoda:
    • Ohishi:
    • Fujii:
    • Tanioka:
    • Tanaka:
    • Kozu (ICRR):
    • Arai (ICRR):

Next meeting

On 2019/1/18(Fri)

KAGRA/Subgroups/VIS/VISMinutes20190118 (last edited 2019-01-18 16:17:06 by YoichiAso)