Differences between revisions 22 and 23
Revision 22 as of 2017-05-16 10:13:44
Size: 1979
Editor: MarkBarton
Comment:
Revision 23 as of 2017-05-16 10:17:44
Size: 2078
Editor: MarkBarton
Comment:
Deletions are marked like this. Additions are marked like this.
Line 20: Line 20:
 * Get more UHV foil.
Line 22: Line 23:
 * Remove PI.
 * Fix jammed PI-SF rod.
 * Remove SF cap.
 * Remove blades from LBB blade units and send off for rework.
 * --(Secure arc weights with M8 nuts.)--
 * --(
Remove PI.)--
 * --(Unjam PI-SF rod.)--
 * --(Remove SF cap.)--
 * --(Remove blades from LBB blade units)-- and send off for rework.
Line 27: Line 29:
 * Remove one Cu damper segment from SF cap and reconfigure remaining two to be symmetrical.  * --(Remove one Cu damper segment from SF cap and reconfigure remaining two to be symmetrical.)--
Line 42: Line 44:

 * Decide final length for BS OSEM cables.
 * --(Review cable spreadsheet;)-- send to Sato-san.

VIS Type B Near Term To-Do List

../ToDoOld

Every Week

Facilities

  • Vacuum and roll floor.
  • Wipe ladders.
  • Tidy tools, parts.

2017-05-15

Facilities

  • Clear spaces for PR2 bellows work and SR2 ladder installation on 5/15.

  • Fix safety bar on -X side of assembly frame (move to other side of pillars and attach more securely).

Design/Purchasing

  • Order longer threaded rods for arc weights on PI.
  • Design, order modifications to LBB blade springs.
  • Get more UHV foil.

Main Assembly

  • Secure arc weights with M8 nuts.

  • Remove PI.

  • Unjam PI-SF rod.

  • Remove SF cap.

  • Remove blades from LBB blade units and send off for rework.

  • Install remaining cable clamps on PI.
  • Remove one Cu damper segment from SF cap and reconfigure remaining two to be symmetrical.

  • Decide pattern of SF damper ring magnets (72 pieces in 2/3 of the original ring).
  • Install magnets on SF damper ring.
  • Lift PI and hang LBB damper ring.
  • Crane PI back in.
  • Install rod, this time with hex cable clamp.
  • Re-hook SF/... section.
  • Install geophones.

Electronics

  • Debug and calibrate SF LVDT.
  • Put connector on PI vertical LVDT wires per E1503600-v13 Sheet 5.
  • Make PI vertical/yaw stepper in-air adapter cable per E1503600-v13 Sheet 7.
  • Make (in-air) geophone unscrambler cables per E1503600-v13 Sheet 8.
  • Complete cabling of PI stuff (steppers, LVDTs, geophones) through to rack and test.
  • Review cable spreadsheet; send to Sato-san.

  • Make table of ADC/DAC assignments and check for consistency with D1503600 and k1visbs (Enzo, Mark)

Real-time and SUMCON models

  • Understand/document/debug Kokeyama-san's DIO stuff.
  • Measure LPCD and HPCD output filter response.
  • Design and install software compensation filters for LPCD and HPCD output filters.
  • Design and install GAS drift compensation filters.
  • Create a proper DAC Monitor MEDM screen.
  • Improve ADC Monitor MEDM screen.

KAGRA/Subgroups/VIS/TypeB/ToDoBS (last edited 2019-01-04 15:21:23 by MarkBarton)