Differences between revisions 5 and 109 (spanning 104 versions)
Revision 5 as of 2016-01-22 15:30:16
Size: 1296
Editor: NaokoOhishi
Comment:
Revision 109 as of 2016-02-29 13:33:38
Size: 536
Editor: NaokoOhishi
Comment:
Deletions are marked like this. Additions are marked like this.
Line 1: Line 1:
== iKAGRA ETM suspension Preparation; Current status == == Type-C suspension ==
Line 3: Line 3:
==== Schedule ====
 * 12th Jan- (2 weeks) Disassembling and Washing (favorable)
 * 25th Jan - (2 weeks) Assembling and Hanging
 * 1th Feb- coil winding, transportation to the End, installation test
 * 7th Feb- check
 * 15th installation
 Type-C suspension is a double pendulum. Some of them were once used for TAMA300. So "TAMA-type suspension" is Type-C suspension.

=== iKAGRA ===

 Five TAMA-type suspensions were used for iKAGRA.<<BR>>
 3 PO type; MC_i, MC_e, MC_o and 2 TM or RM type; ETMX, ETMY.
Line 10: Line 10:
==== Disassembling at Mitaka[Ohishi] ====
  finished. (12th-19th)
 [problem]
  * 2 nuts stuck: solved by Hirata-san
  * A Cu screw stuck: solved by Hirata-san
==== Washing [Hirata-san] ====
   most of the parts were washed.
 [problem]
  * ultra sonic washer broken 20th
  ordered on 22th(Fri) will be arrive at Mitaka on 26th(Tue)
  * 8 screws for adjusting the IM holding plate was dirty
   Solution: order new screws (not ordered yet)
==== Missing parts ====
 * coil bobbin [Takahashi-san]
 * coil winding [students of Ando-lab]
 * D-sub fixture plates [Takahashi-san]
 * mirror container [Tatsumi-san]
 * magnets for dummy mirror (4 ; 2-phi-L-5mm Nd magnets) [Ohishi]
 * some screws in replace with Cu screws [Ohishi]
  
==== pico-motors and PZTs ====
 Work log about 2 iKAGRA ETMs is [[KAGRA/Subgroups/VIS/Type-C/iKAGRA_ETM|here]].
Line 32: Line 12:
==== coil driver ==== === toward bKAGRA ===
Line 34: Line 14:
==== cables ====  [[http://gwwiki.icrr.u-tokyo.ac.jp/JGWwiki/KAGRA/Subgroups/VIS/iKAGRAbKAGRA|Memo by Yamamoto-san]]
Line 36: Line 16:
==== Assembling ====
 On 21th, suspension frame, security frame, xy stages completed [Tomaru]
=== bKAGRA ===
Line 39: Line 18:
==== Hanging ====
Line 41: Line 19:

==== Transfer Function Measurement ====

Type-C suspension

  • Type-C suspension is a double pendulum. Some of them were once used for TAMA300. So "TAMA-type suspension" is Type-C suspension.

iKAGRA

  • Five TAMA-type suspensions were used for iKAGRA.
    3 PO type; MC_i, MC_e, MC_o and 2 TM or RM type; ETMX, ETMY.

    Work log about 2 iKAGRA ETMs is here.

toward bKAGRA

bKAGRA

KAGRA/Subgroups/VIS/Type-C (last edited 2020-04-30 12:05:11 by KousekiMiyo)