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  * Set the foot holds around the top chamber.   * Set the footholds around the top chamber.

Agenda/Minutes of the VIS Meeting on 2017/2/24

2017/2/24 13:30 -

Participants:

Progress report

Schedule Chart : (PDF,MPP)

Type-A (Takahashi)

Installation in Y-end:

21th(Tue)

  • Adjusted the height of release sensor for the dummy payload.
  • Adjusted the position of keystone stopper on BF.
  • Made the cables for LVDT and picomotor.

22th(Wed)

  • Completed cabling around the BF.
  • Closed the shell of BF.
  • Started preparation for the footholds.

23th(Thu)

  • Lifted down the EQ stop into the chamber and put the end plate for BF on the frame rock.
  • Set the footholds around the top chamber.
  • Extended the rods of EQ stop to the F3 stage.
  • Assembled the end plate for F3 and put it on the rods.
  • Prepared the F3 (cabling).

24th(Fri)

  • Put the F3 onto the end plate.
  • Connected the maraging wire for BF.

Plan for coming weeks

  • Tune the F3.
  • Adjust the height of BF and F3.
  • Go to the setup of F2.

Type B (Mark)

Past week report

Plan for coming weeks

Type-Bp (Shoda)

Past week report

  • Suspend BF and tuned the mass. Some of the masses are put inside the BF. The rest of the weight will be put on the cap after cabling.
  • Replaced the interface plate
  • Tried to replace the parts for Traversers. But they did not work well. Therefore, Uraguchi-san took them back to Mitaka again.
  • Cabling: some tools are bad for our cables and pins. Bad access around the SF.

Plan for coming weeks

  • Suspend everything, and test the damping control.

To Do

  • Design the modification for the Optical bench installation jigs.
  • Design the jig for the magnetic damper.

IMMT (Ohishi)

Past week report

Plan for coming weeks

Watchdog system (Tanaka)

Past week report

Plan for coming weeks

Safety

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

Discussion

  • Type-B ballast masses (Fabian)
  • What to order in this FY with the next FY budget.
  • What to buy in the next FY.

Travel Plans

  • Travel (Week of 2/27):
    • Takahashi: 27 - 3/2
    • Shoda: 27 - 3/2
    • Mark: 27 - 3/2
    • Fabian: 27 - 3/2
    • Okutomi: 27 - 3/2
    • Fujii:
    • Ishizaki:
    • Hirata: 27 - 3/2
    • Sato:
    • Enzo:
    • Hashimoto (Hosei Univ.): 27 - 3/2
    • Ohishi:
    • Tanaka:
    • Perry:
  • Travel (Week of 3/6):
    • Takahashi:
    • Shoda:
    • Mark:
    • Fabian:
    • Okutomi:
    • Fujii:
    • Ishizaki:
    • Hirata:
    • Sato:
    • Enzo:
    • Hashimoto (Hosei Univ.):
    • Someya (Hosei Univ.):
    • Ohishi:
    • Tanaka:
    • Perry:

Next meeting

On 2017/3/3(Fri) in Mitaka

KAGRA/Subgroups/VIS/VISMinutes20170224 (last edited 2017-02-24 21:54:23 by YoichiAso)