20180130

http://klog.icrr.u-tokyo.ac.jp/osl/?r=4056

Today's activities

Workers: Akutsu, Simon, Miyo, Hasegawa

• Attached the protectors again.
• Aattached again the oplev reflectors.
• Attached heaters.

• Attached 4 out of 6 thermometers temporally (without the metal sheets!!!).

  • Note: each thermometer has its own serial number to distinguish oneself from the others.
• Set up the oplev.
  • For this purpose an oplev viewport was installed in -Y+X direction at the TM level (Hasegawa).
• Detached the protectors to see how the suspended WAB got tilted.

  • Simon's memo...

• Attached a heat link partly, after the protectors were attached again.
• Helped cabling to the digital system (Miyo).

• [Ongoing] Need cares of water springs from anchor bolts for oplev pylons.

• [Ongoing] Need to confirm what are the scratch lines made by the measurement by the KEK team last week.

Next plan

• Learn how to attach pins to electric cables of the thermometers (AWG36).

• Set up oplev to check how the damping would be now after the replacement of the damping magnets.

• Check the reproducibility of the alignment of the suspension among several modes.
• Try to connect burndy pins to the heaters??
• Check heights of several points.
• Wash the coil in ethanol at Univ. of Toyama...?
• Take care of water spring??

Wanted!

• Stages outside the chamber to ease wiping our legs.

• Good rail(?) to move the WAB suspension in the cryostat in the main beam direction.

• Chain block? to support the load in the chamber.

• Cutters and scissors!!
• A clock to know the time easily.

• A fiber cleaner to connect oplev source parts; need to get back from Yend.

• M6 screw set.