Differences between revisions 3 and 329 (spanning 326 versions)
⇤ ← Revision 3 as of 2016-04-12 15:26:36 →
Size: 863
Editor: MarkBarton
Comment:
← Revision 329 as of 2018-09-21 17:22:03 → ⇥
Size: 2288
Editor: MarkBarton
Comment:
Deletions are marked like this. Additions are marked like this.
Line 5: Line 5:
 * Electronics
  * [[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=3600| D1503600-v9 BS Suspension Cabling]]
  * [[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=5111| E1605111-v1 BS Suspension Electronic Items List]]
  * [[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=3901| D1503901-v2 In-Vacuum Cable Detail]]
  * Need to hand-make geophone cables
  * Need to make longer versions of BF-PI and SF-PI cables (3.7 m and 2.5 m)
  * Need to check OSEM cables have same flip for flexicircuit as for PRx.
  * Asked Miyakawa-san for status on AEL items, especially stepper driver.
 * Compensation masses for RM/IRM ordered, expected 4/29		 === Type B (Mark) ===
==== Report for week of 9/17 ====
 * Monday 9/17 was holiday.
 * We optimized the trim mass on the SF to get more balance torque with less total mass. We now have a reserve of 480 g for the yaw pico.
 * We set the SF damper gap to 6 mm.
 * We set the SR2 pitch with the optic lever, aligned the IRM, and set all the OSEMs to have good clearance and midrange output.
 * We locked the SR2 suspension, craned it into the tank and hooked the LBB damper rings (but not the LBB yet).
 * With help from Ohishi-san, we removed the First Contact from SR2.
 * Mark did an audit of all the electronics boxes and updated the item list and S-number file cards on JGWDoc.
 * Mark added some thin arc weights to the inventory and finalized the number of various types to order (8*38 mm + 9*10 mm).
 * Panwei copied control filters over from the SR3.
 
==== Plan for week of 9/24 ====
 * Monday 9/24 is holiday (Autumn Equinox).
 * Mark, Hirata-san, Fabian, Panwei at Kamioka Tue-Fri.
===== SR2 =====
 * Move SR2 in-air cables.
 * Unlock and realign suspension.
===== SRM =====
 * Set pitch of SRM and RM, tighten clamps, remove winch system.
 * Weigh IM/... section.
 * Build up SS to BF level.
 * Add BF.
 * Suspend IM and tweak height/balance.
Line 15: Line 30:
 * Hirata-san drew up flags
 		 ==== Plan for week of 10/1 ====
 * Mark, Hirata-san, Fabian, Panwei at Kamioka Mon-Fri.
===== SRM =====
 * Cable/test BF.
 * Install IRM.
 * Install/cable/test IM OSEMs.

==== Plan for week of 10/8 ====
 * Monday 10/8 is Sports Day.
 * Enzo returns Tuesday 10/9.
 * Mark and Terrence (plus TBD) at Kamioka Mon-Fri.
 * Enzo, Hirata-san, Fabian and Panwei at Kamioka Tue-Fri.
===== SR2/SR3 =====
 * Terrence to set up LEN half of SR3 OL and, time permitting, TILT and LEN for SR2.
===== SRM =====
 * Continue installation.

==== To-Do Lists, Schedule ====
 * [[KAGRA/Subgroups/VIS/TypeB/ToDoBS]]
 * [[KAGRA/Subgroups/VIS/TypeB/ToDoSR]]
 * [[https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=7779|JGW-L1807779 Type B Schedule (SR)]]

==== Vacation/Visitor Info ====
 * Enzo: 9/15 through 10/8 vacation in Chile.
 * Terrence: 10/8-12, 10/29-11/2 at Kamioka.

Scraps of text for incorporation in the VIS Meeting Minutes

KAGRA/Subgroups/VIS/MeetingNAOJ

Type B (Mark)

Report for week of 9/17

  • Monday 9/17 was holiday.
  • We optimized the trim mass on the SF to get more balance torque with less total mass. We now have a reserve of 480 g for the yaw pico.
  • We set the SF damper gap to 6 mm.
  • We set the SR2 pitch with the optic lever, aligned the IRM, and set all the OSEMs to have good clearance and midrange output.
  • We locked the SR2 suspension, craned it into the tank and hooked the LBB damper rings (but not the LBB yet).
  • With help from Ohishi-san, we removed the First Contact from SR2.
  • Mark did an audit of all the electronics boxes and updated the item list and S-number file cards on JGWDoc.
  • Mark added some thin arc weights to the inventory and finalized the number of various types to order (8*38 mm + 9*10 mm).
  • Panwei copied control filters over from the SR3.

Plan for week of 9/24

  • Monday 9/24 is holiday (Autumn Equinox).
  • Mark, Hirata-san, Fabian, Panwei at Kamioka Tue-Fri.

SR2
  • Move SR2 in-air cables.
  • Unlock and realign suspension.

SRM
  • Set pitch of SRM and RM, tighten clamps, remove winch system.
  • Weigh IM/... section.
  • Build up SS to BF level.
  • Add BF.
  • Suspend IM and tweak height/balance.

Plan for week of 10/1

  • Mark, Hirata-san, Fabian, Panwei at Kamioka Mon-Fri.

SRM
  • Cable/test BF.
  • Install IRM.
  • Install/cable/test IM OSEMs.

Plan for week of 10/8

  • Monday 10/8 is Sports Day.
  • Enzo returns Tuesday 10/9.
  • Mark and Terrence (plus TBD) at Kamioka Mon-Fri.
  • Enzo, Hirata-san, Fabian and Panwei at Kamioka Tue-Fri.

SR2/SR3
  • Terrence to set up LEN half of SR3 OL and, time permitting, TILT and LEN for SR2.

SRM
  • Continue installation.

To-Do Lists, Schedule

Vacation/Visitor Info

  • Enzo: 9/15 through 10/8 vacation in Chile.
  • Terrence: 10/8-12, 10/29-11/2 at Kamioka.

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