Differences between revisions 136 and 168 (spanning 32 versions)
⇤ ← Revision 136 as of 2017-04-07 13:21:26 →
Size: 2491
Editor: MarkBarton
Comment:
← Revision 168 as of 2017-07-21 14:12:00 → ⇥
Size: 1551
Editor: MarkBarton
Comment:
Deletions are marked like this. Additions are marked like this.
Line 7: Line 7:
At Kamioka (Mark, Fabian, Enzo, Perry, Hirata-san):
 * We set things up again after the floor coating work.
 * We moved the PI into the second floor of the cleanbooth:
  * We cleared a path for the forklift (moving the portable cleanroom, worktable, power cables, vacuum pumps and other obstacles).
  * We got Saito-sensei to move the PI to the +Y side of the cleanbooth.
  * We washed and cling-wrapped a pallet.
  * We got Miyoki-san to disconnect the cables and curtain blocking the crane slot (and reconnect them afterwards).
  * We added some temporary crossbars in the top of the assembly frame and stored the SF cap on them to get it out of the way.
  * We craned in the pallet and set it up to bridge three floor joists.
  * We craned in the PI using Saito-san's adapter.
   * We couldn't find the original screws for the three PI transport plates so we substituted some others - fortunately there was no galling.
   * We had to connect the adapter to the crane with a sling because the ring for the hook was slightly too small).
 * We did a lot of cabling work:
  * We routed all the BF cables over the BF cap, up through the cable clamp on the SF-BF rod and up to the SF. (We had to redo a few because the Type 3 cable was at the flange end instead of the Type 1.)
  * We connected up the SF LVDT and FR stepper.
  * We started on rebalancing the BF (which had been perturbed by the weight and tension of all the cables). We got it rather better, but it needs more work.
  * We made another batch of anti-feedthrough adapters.		 At Kamioka (Mark, Enzo, Hirata-san, Yoshioka-kun):
 * We lubricated the stuck screw at the top of the security structure with stuck and were able to remove it.
 * Enzo disconnected and removed or coiled many in-vac cables at the PI level to free it.
 * We craned the PI. There was a minor safety incident - see below.
 * Hirata-san set up the filter service area, and we moved in a BF intended for one of the SRs (BF#3).
 * Fabian and Hirata-san worked out a method for characterizing a single spring, and Fabian finished characterizing the first one.
 * We did a big tidy-up and clean-up of the area, especially the corner where we intended to do the gluing.
 * We set up the BS gluing jigs and applied the glue. We will check the results on Monday.
Line 25: Line 16:
==== Plan for coming weeks ====
For more detail, see [[KAGRA/Subgroups/VIS/TypeB/ToDo]].		 ==== Plan for week of 7/24 ====
Full team at Kamioka from Mon-Fri, except Hirata-san (Tue-Fri) and Enzo (vacation).
 * Check results of gluing.
 * Finish disassembly.
 * Finish BF rebuild.
 * Remove LBB rings.
 * Recheck alignment of assembly frame and centering of optical table.
 * Install IM, suspend BS and RM.
Line 28: Line 25:
Week of 4/10:
 * Hirata-san does scissor lift training 4/10.
 * Perry in Tokyo 4/10.
 * Debug/fix dead OSEM channel, TM-H4.
 * Debug BF/SF LVDTs.
 * Adjust BF pitch/roll.
 * Do TF from SF LVDT actuation.
 * Install temporary ballast mass in SF.
 * Lift SF/BF/... section and check total weight and SF balance.
 * Continue swap of PI LVDT connectors (female->male)
 * Start preparing LBB spring units.
 * Install pico drivers in rack, create MEDM interface (with Miyo-kun), and undo temporary connection of picos to old controller and joystick.
Week of 4/17:
 * Crane in PI.
 * Connect SF/BF... section.
 * Temporarily remove PI and adjust SF ballast if necessary.
 		 ==== Plan for week of 7/31 ====
Full team at Kamioka from Mon-Fri, except Fabian (Mon-Thu) and Enzo (vacation).
 * Weigh/trim BS/RM/IM.
 * Bring in rebuilt BF.

Vacation Info:
Hirata-san: Thu 7/20 through Mon 7/24
Enzo: Sat 7/22 through Sun 8/6
Fabian: Fri 8/4 through Mon 8/21
Mark: TBD Mid-Oct

Scraps of text for incorporation in the VIS Meeting Minutes

KAGRA/Subgroups/VIS/MeetingNAOJ

Type B (Mark)

Past week report

At Kamioka (Mark, Enzo, Hirata-san, Yoshioka-kun):

  • We lubricated the stuck screw at the top of the security structure with stuck and were able to remove it.
  • Enzo disconnected and removed or coiled many in-vac cables at the PI level to free it.
  • We craned the PI. There was a minor safety incident - see below.
  • Hirata-san set up the filter service area, and we moved in a BF intended for one of the SRs (BF#3).
  • Fabian and Hirata-san worked out a method for characterizing a single spring, and Fabian finished characterizing the first one.
  • We did a big tidy-up and clean-up of the area, especially the corner where we intended to do the gluing.
  • We set up the BS gluing jigs and applied the glue. We will check the results on Monday.

Plan for week of 7/24

Full team at Kamioka from Mon-Fri, except Hirata-san (Tue-Fri) and Enzo (vacation).

  • Check results of gluing.
  • Finish disassembly.
  • Finish BF rebuild.
  • Remove LBB rings.
  • Recheck alignment of assembly frame and centering of optical table.
  • Install IM, suspend BS and RM.

Plan for week of 7/31

Full team at Kamioka from Mon-Fri, except Fabian (Mon-Thu) and Enzo (vacation).

  • Weigh/trim BS/RM/IM.
  • Bring in rebuilt BF.

Vacation Info: Hirata-san: Thu 7/20 through Mon 7/24 Enzo: Sat 7/22 through Sun 8/6 Fabian: Fri 8/4 through Mon 8/21 Mark: TBD Mid-Oct

KAGRA/Subgroups/VIS/TypeB/Minutes (last edited 2022-10-28 10:02:46 by fabian.arellano)