Scraps of text for incorporation in the VIS Meeting Minutes

KAGRA/Subgroups/VIS/MeetingNAOJ

• Type B Past Week Summary
  • Fabian, Mark, Yokogawa-kun and Kuwahara-kun did BS installation at Kamioka:
    • Hung RM.
    • Did permanent routing of RM OSEM cables to IM.
    • Did temporary routing of RM OSEM in-vacuum cables to flange (4 channels).
    • Did semi-permanent routing of all OSEM external cables to satellite amps (10 channels)
    • Did temporary routing of RM OSEMs to PR2 rack (4 channels).
    • Took data with geophones connected but immobilized and then stored geophones in boxes.
    • Tested signals from first satellite amp getting to digital system.
    • Weighed mirror box.
    • Did fit check of flag holders for stub flags. Very minor adjustments will be needed.
    • Covered everything in preparation for modifications to clean booth roof (9/20-21).
  • Hirata-san:
    • Finished 3D CAD of SR2 and SR3 in tanks, with optical layout included.
    • Started 3D CAD for SRM.
    • Checked flag design.
    • Assembled a bottom filter (ongoing).
    • Cleaned maraging rods.
• Type B ongoing issues
• Longer term to-do list
  • Do Inventor assembly for SRx in chamber and on assembly frame (Hirata) - SR2/SR3 DONE, SRM ongoing.
    • Part "disk security" top has to be modified - screw positions do not match.
  • Write more of payload assembly procedure (Fabian) - ONGOING

  • Write more of BS Assembly Procedure E1504235, E1504235 draft (Mark) - ONGOING

  • Lower breadboard installation to be incorporated into the procedure document.
  • Work on BS simulation (Fabian)
  • Do BS Simulink model (Mark, Kokeyama)
  • Do 2D drawings of SR2 parts (Hirata)
  • Redesign SRx IM wire clamps for larger prisms, remachined RMs
  • Order SRM/PRM parts (Hirata/Shoda)
  • Order SRx fasteners (Hirata)