Differences between revisions 2 and 15 (spanning 13 versions)
⇤ ← Revision 2 as of 2017-02-09 17:11:42 →
Size: 1683
Editor: YoichiAso
Comment:
← Revision 15 as of 2017-02-10 11:00:34 → ⇥
Size: 3709
Editor: NaokoOhishi
Comment:
Deletions are marked like this. Additions are marked like this.
Line 11: Line 11:
 * [[http://gwwiki.icrr.u-tokyo.ac.jp/JGWwiki/KAGRA/Subgroups/VIS/TypeA/Meeting|Minutes of Type-A Meeting]]
 * Installation in Y-end
  * 7(Tue): Assembled the dummy payload and the EQ stop for it. Pre-assembled BF damper. Assembled the EQ stop for BF.
  * 8(Wed): Assembled the BF. Measured the weight of BF (105.7kg).
  * 9(Thu): Installed the dummy payload and the BF with athe EQ stop into the top chamber.
 * Maraging wire: The wires after aging were delivered on 7th. The 3.3m wire will be treated at Himeji facility of Kinzoku-giken.
Line 12: Line 18:
 * Install the protection net ring.
 * Tune the weight of dummy payload.
 * Assemble the BF damper with the support ring.
 * Lift down the dummy payload.
 * Set the EQ stop for F3.
Line 19: Line 30:
 * Main suspension
  * Active damping for IM are implemented.
  * BF FR was tested with the new driver chassis.
  * BF GAS LVDT was calibrated by inserting 1 mm sims.
  * New BF LVDTs are assembled.
  * BF cap, BFRM, and the EQ stop parts bewlo the SF are assembled.
   The BFRM is now sitting on the spacer attached on the BF.

  * Note: the company delivered other coated screws for the screws which we assigned as SDC with a vent hole. Be careful.

 * Optical bench suspension
  * Optical bench installation jigs, wire adapters for the optical bench, and optical bench suspension rods are assembled.
  * The OB installation jigs was tested a little.
 
 * Others
  * The temporally clean booth was cleaned and the floor sheet will be changed.
  * The EQ stop bars below the IM did not seem to be dirty now. -> Only old aluminum parts should be re-made.
  * BFRM suspension rods are delivered -> 2nd assembly test at Mitaka?
Line 20: Line 50:
 * Optical bench suspension test.
  * Assemble magnets on the OB Damper
  * Suspend the OB damper, OB intermediate mass, and OB for the test.
Line 23: Line 57:
Looking for a jig parts http://klog.icrr.u-tokyo.ac.jp/osl/?r=2439
Line 38: Line 73:
 * Disassembly procedure proposal (Shoda) [[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=6132|document]]

Agenda/Minutes of the VIS Meeting on 2017/2/10

2017/2/10 13:30 -

Participants:

Progress report

Schedule Chart : (PDF,MPP)

Type-A (Takahashi)

Past week report

  • Minutes of Type-A Meeting

  • Installation in Y-end
    • 7(Tue): Assembled the dummy payload and the EQ stop for it. Pre-assembled BF damper. Assembled the EQ stop for BF.
    • 8(Wed): Assembled the BF. Measured the weight of BF (105.7kg).
    • 9(Thu): Installed the dummy payload and the BF with athe EQ stop into the top chamber.
  • Maraging wire: The wires after aging were delivered on 7th. The 3.3m wire will be treated at Himeji facility of Kinzoku-giken.

Plan for coming weeks

  • Install the protection net ring.
  • Tune the weight of dummy payload.
  • Assemble the BF damper with the support ring.
  • Lift down the dummy payload.
  • Set the EQ stop for F3.

Type B (Mark)

Past week report

Plan for coming weeks

Type-Bp (Shoda)

Past week report

  • Main suspension
    • Active damping for IM are implemented.
    • BF FR was tested with the new driver chassis.
    • BF GAS LVDT was calibrated by inserting 1 mm sims.
    • New BF LVDTs are assembled.
    • BF cap, BFRM, and the EQ stop parts bewlo the SF are assembled.
      • The BFRM is now sitting on the spacer attached on the BF.
    • Note: the company delivered other coated screws for the screws which we assigned as SDC with a vent hole. Be careful.
  • Optical bench suspension
    • Optical bench installation jigs, wire adapters for the optical bench, and optical bench suspension rods are assembled.
    • The OB installation jigs was tested a little.
  • Others
    • The temporally clean booth was cleaned and the floor sheet will be changed.

    • The EQ stop bars below the IM did not seem to be dirty now. -> Only old aluminum parts should be re-made.

    • BFRM suspension rods are delivered -> 2nd assembly test at Mitaka?

Plan for coming weeks

  • Optical bench suspension test.
    • Assemble magnets on the OB Damper
    • Suspend the OB damper, OB intermediate mass, and OB for the test.

IMMT (Ohishi)

Past week report

Looking for a jig parts http://klog.icrr.u-tokyo.ac.jp/osl/?r=2439

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

  • Disassembly procedure proposal (Shoda) document

Site work plan for the next week

  • Mon: Type-A, B, Bp
  • Tue: Type-A, B, Bp
  • Wed: Type-A, B, Bp
  • Thu: Type-A, B, Bp
  • Fri: Type-A, B, Bp

Travel Plans

  • Travel (Week of 2/13):
    • Takahashi: 13-16
    • Shoda: 13-16
    • Mark: 13-16
    • Fabian: 13-16
    • Okutomi: 13-16
    • Fujii:
    • Ishizaki: 13-16
    • Hirata:
    • Sato: 13-16
    • Enzo:
    • Hashimoto (Hosei Univ.): 13-16
    • Someya (Hosei Univ.): 13-16
    • Ohishi:
  • Travel (Week of 2/13):
    • Takahashi:
    • Shoda:
    • Mark:
    • Fabian:
    • Okutomi:
    • Fujii:
    • Ishizaki:
    • Hirata:
    • Sato:
    • Enzo:
    • Hashimoto (Hosei Univ.):
    • Someya (Hosei Univ.):
    • Ohishi:
    • Tanaka:

Next meeting

On 2017/2/17(Fri) in Mitaka

March VIS F2F: March 3

KAGRA/Subgroups/VIS/VISMinutes20170210 (last edited 2017-02-16 16:38:35 by NobuyukiTanaka)