Differences between revisions 1 and 9 (spanning 8 versions)
⇤ ← Revision 1 as of 2017-03-30 13:22:16 →
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Editor: YoichiAso
Comment:
← Revision 9 as of 2017-03-31 13:33:45 → ⇥
Size: 3929
Editor: AyakaShoda
Comment:
Deletions are marked like this. Additions are marked like this.
Line 8: Line 8:
Schedule Chart : ([[https://www.dropbox.com/s/rlnmlt3uipcsai8/VIS%20Overall%20Schedule-20170121.pdf?dl=0|PDF]],[[https://www.dropbox.com/s/rlnmlt3uipcsai8/VIS%20Overall%20Schedule-20170121.pdf?dl=0|MPP]]) Schedule Chart : ([[https://www.dropbox.com/s/3fllgzwp4wlew2k/VIS%20Overall%20Schedule-20170322.pdf?dl=0|PDF]],[[https://www.dropbox.com/s/agsjc8jqo2t6vxu/VIS%20Overall%20Schedule-20170322.mpp?dl=0|MPP]])
Line 12: Line 12:
Installation in Y-end: No work at the site.

 * Ordered some items for the X-end (chain blocks, hand lifter).
 * Preparing for the Type-A experiments (modification of geophone pod).
Line 13: Line 18:

 * Lifted down the maraging wire for the cryo-payload.
 * Assemble the F2 stage.
Line 16: Line 24:
 * Mark, Fabian, Enzo, Hirata-san at f2f - no site work.
 * Mark and Enzo worked on updates to suspension cabling diagram E1503600.
 * Hirata-san worked on 2D drawings for new BF ballast masses and PR/SR mirror box mods.
Line 17: Line 29:
===== Week of 4/3 =====
 * Clean up after floor work.
 * Prepare PI for moving.
  * Remove accelerometers.
  * Remove large weights.
  * Remove arc weights.
  * Attach lifting plates.
  * Wrap with clingwrap, cover with spare cleanbag.
 * Clear path to remove PI with forklift.
  * Move worktables.
  * Move portable cleanroom.
  * Shutdown rack and move electrical cables.
 * Prepare second floor for receiving PI.
  * Clean and clingwrap pallet.
  * Double-check dimensions.
  * Disconnect fan cables, curtain.
 * Crane PI into clean booth.
===== Week of 4/10 =====
 * Add temporary ballast to SF.
 * Lift SF/BF/... section and check/adjust pitch/roll of SF and total weight.
 * Continue rearrangement of in-vacuum cabling past SF.
 * Prepare PI for craning onto assembly frame.
  * Finish installing LVDT coils.
  * ...
  * Find additional arc weights.
Line 20: Line 57:
 * Preparation of the PR3 mirror (Miyo, Shoda)
  * Gluing went better than before. The wire breaker holding jigs did not glued together this time.
  * Mirror is packed. Ready to be shipped. The mirror will be shipped on Sunday and delivered on Monday morning.
  * Shoda think that the preparation is a bit inefficient since the tools are spread out at Kamioka and at Mitaka. It would be better if we can store all the gluing tools at the place we do gluing.
Line 21: Line 63:
 * Complete TM/RM stage
  * Hang the mirror
  * Hang the RM
  * Measure the TF of RM/TM using photo sensors

 * Replace the BF LVDT
 * Check the fit of the optical bench suspension hook
Line 28: Line 77:
 *Operational test(for power unit) acquisition and analysis of thermal data.-->Report[[http://gwdoc.icrr.u-tokyo.ac.jp/DocDB/0064/E1706434/001/Project%20WDS%20H_W%20Regulator%20heat%20dissipation%20experiment%20170331.pdf|PDF(JGW-E1706434)]]
 
 *Main board(WDS main PCB) mounting and implementation.
Line 29: Line 82:
 *Main board(WDS main PCB) mounting and implementation(Ongoing).
Line 42: Line 95:
 * Travel (Week of 3/27):
  * Takahashi:
  * Shoda:
  * Mark:
  * Fabian:
  * Okutomi:		  * Travel (Week of 4/3):
  * Takahashi: 3-6
  * Shoda: 3-6
  * Mark: 3-6
  * Fabian: 3-6
  * Okutomi: 3-6
Line 49: Line 102:
  * Ishizaki:
  * Hirata:
  * Sato:
  * Enzo:
  * Hashimoto (Hosei Univ.): 		  * Ishizaki: ?-6
  * Hirata: 3-6
  * Sato: 3-6
  * Enzo: 3-6
Line 56: Line 108:
  * Perry:   * Perry: 3-7
  * Sekiguchi(Hosei):
  * Hirayama(Hosei):
  * Wada (Ando Lab.): 3-5
Line 59: Line 114:
 * Travel (Week of 4/3):  * Travel (Week of 4/10):
Line 61: Line 116:
  * Shoda:   * Shoda:10-14
Line 70: Line 125:
  * Hashimoto (Hosei Univ.):
Line 73: Line 127:
  * Perry:
  * Sekiguchi(Hosei):11-14
  * Hirayama(Hosei):11-14

Agenda/Minutes of the VIS Meeting on 2017/3/31

2017/3/31 13:30 -

Participants:

Progress report

Schedule Chart : (PDF,MPP)

Type-A (Takahashi)

Past week report

Installation in Y-end: No work at the site.

  • Ordered some items for the X-end (chain blocks, hand lifter).
  • Preparing for the Type-A experiments (modification of geophone pod).

Plan for coming weeks

  • Lifted down the maraging wire for the cryo-payload.
  • Assemble the F2 stage.

Type B (Mark)

Past week report

  • Mark, Fabian, Enzo, Hirata-san at f2f - no site work.
  • Mark and Enzo worked on updates to suspension cabling diagram E1503600.
  • Hirata-san worked on 2D drawings for new BF ballast masses and PR/SR mirror box mods.

Plan for coming weeks

Week of 4/3
  • Clean up after floor work.
  • Prepare PI for moving.
    • Remove accelerometers.
    • Remove large weights.
    • Remove arc weights.
    • Attach lifting plates.
    • Wrap with clingwrap, cover with spare cleanbag.
  • Clear path to remove PI with forklift.
    • Move worktables.
    • Move portable cleanroom.
    • Shutdown rack and move electrical cables.
  • Prepare second floor for receiving PI.
    • Clean and clingwrap pallet.
    • Double-check dimensions.
    • Disconnect fan cables, curtain.
  • Crane PI into clean booth.

Week of 4/10
  • Add temporary ballast to SF.
  • Lift SF/BF/... section and check/adjust pitch/roll of SF and total weight.
  • Continue rearrangement of in-vacuum cabling past SF.
  • Prepare PI for craning onto assembly frame.
    • Finish installing LVDT coils.
    • ...
    • Find additional arc weights.

Type-Bp (Shoda)

Past week report

  • Preparation of the PR3 mirror (Miyo, Shoda)
    • Gluing went better than before. The wire breaker holding jigs did not glued together this time.
    • Mirror is packed. Ready to be shipped. The mirror will be shipped on Sunday and delivered on Monday morning.
    • Shoda think that the preparation is a bit inefficient since the tools are spread out at Kamioka and at Mitaka. It would be better if we can store all the gluing tools at the place we do gluing.

Plan for coming weeks

  • Complete TM/RM stage
    • Hang the mirror
    • Hang the RM
    • Measure the TF of RM/TM using photo sensors
  • Replace the BF LVDT
  • Check the fit of the optical bench suspension hook

IMMT (Ohishi)

Past week report

Plan for coming weeks

Watchdog system (Tanaka)

Past week report

  • Operational test(for power unit) acquisition and analysis of thermal data.-->ReportPDF(JGW-E1706434)

  • Main board(WDS main PCB) mounting and implementation.

Plan for coming weeks

  • Main board(WDS main PCB) mounting and implementation(Ongoing).

Safety

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

Discussion

Travel Plans

  • Travel (Week of 4/3):
    • Takahashi: 3-6
    • Shoda: 3-6
    • Mark: 3-6
    • Fabian: 3-6
    • Okutomi: 3-6
    • Fujii:
    • Ishizaki: ?-6
    • Hirata: 3-6
    • Sato: 3-6
    • Enzo: 3-6
    • Ohishi:
    • Tanaka:
    • Perry: 3-7
    • Sekiguchi(Hosei):
    • Hirayama(Hosei):
    • Wada (Ando Lab.): 3-5
  • Travel (Week of 4/10):
    • Takahashi:

    • Shoda:10-14

    • Mark:
    • Fabian:
    • Okutomi:
    • Fujii:
    • Ishizaki:
    • Hirata:
    • Sato:
    • Enzo:
    • Ohishi:
    • Tanaka:
    • Perry:
    • Sekiguchi(Hosei):11-14
    • Hirayama(Hosei):11-14

Next meeting

On 2017/4/7(Fri) F2F@Mitaka

KAGRA/Subgroups/VIS/VISMinutes20170331 (last edited 2017-03-31 14:20:24 by YoichiAso)