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)

• Set the support bar for the EQ stop from the foothold.
• Checked the stepping motor of F3.
• The cap for F3 could not be closed.

Plan for coming weeks

• Put the F3 onto the end plate.
• Tune the F3.
• Adjust the height of BF and F3.
• Assemble the BF damper.

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

• I'm working on design drawing for cutting of 19'rack front panel(4ch WDS Main box).
  • Drawing both for external ordering and for CNC Milling machine(Numerical control program(G-code)).
• Electronic parts ordered from co-op(Univ.Tokyo) have not come yet.

Plan for coming weeks

• •Pending ---> I'm planning to perform surface mounting for Power board(WDS Main 4ch Box) in reflow furnace in Akihabara.Since a large PCB size( 320mm * 100mm) is required,a large reflow furnace is necessary,so it can be borrowed in Akihabara(DMM-make site.And of course,paid).

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