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VIS (OMM)
ryutaro.takahashi - 18:51 Friday 14 June 2024 (29917) Print this report
Recovery of OSTM suspension

[Takahashi, Washimi, Ito]

We started the recovery of the OSTM suspension.

  1. Moved the OSTM suspension from the optical bench for the OMC to the workbench.
  2. Removed two shield plates (X+ and Y+) from the suspension frame. The plates were stored in the OMMT chamber.
  3. Removed the OSEMs with the support plates.
  4. Removed the mirror (TM). The mirror was stored on the small table with the table KOACHs.
  5. Removed the IM block and attached it to the hanging jig.
Images attached to this report
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ryutaro.takahashi - 18:23 Monday 17 June 2024 (29946) Print this report

[Takahashi, Ikeda, Ito]

We hung the OSTM mirror.

  1. Attached the clamp adapter to the hanging jig and put the dummy mirror on the jig.
  2. Hung the dummy mirror with the 50um tungsten wire. The wire length was adjusted using the height gauge set to 115mm.
  3. Clamped the 100um tungsten wires for the IM to the clamp adapter.
  4. Embedded the clamp adapter to the IM body and put it on the IM support plate of the suspension frame.
  5. Connected the wires for the IM to the bellows springs.
  6. Hung the real mirror. The rotation of the mirror was adjusted with a laser leveler.
  7. Released the IM. The height of the mirror was adjusted with the vertical stage.
  8. Attached the suspension rods to the IRM and hung the IRM.
  9. Attached the OSEMs to the suspension frame.
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ryutaro.takahashi - 20:53 Tuesday 18 June 2024 (29970) Print this report

[Takahashi, Ito]

We moved the OSTM suspension from the workbench to the optical bench. We set it to the original position.

Images attached to this comment
yoichi.aso - 21:15 Tuesday 18 June 2024 (29971) Print this report

We need to put the black plates on the difficult to access sides (OMC side) before performing the health check.

To do so, we probably need to move the suspension from the current position.

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