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iKAGRA ETM suspension; Status | == iKAGRA ETM suspension preparation; current status == ==== Schedule ==== * 12th Jan- (2 weeks) Disassembling and Washing (favorable) * 25th Jan - (2 weeks) Assembling and Hanging with dummy mirror * 1th Feb- (1 week) coil winding, * 7th Feb- (1 week) check and transportation to the End and installation test * 15th Feb- installation ==== 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 ==== We have 4 pico motor except for x-axis (the direction of the light ) y, z, pitch, yaw ==== coil driver ==== We use KAGRA coil driver; we need to cheek its performance. ==== cables ==== ==== Assembling [Tomaru, Ohishi, Yamamoto]==== On 21th, suspension frame, security frame, xy stages completed ==== Hanging ==== Hanging jig preparation ==== Transfer Function Measurement ==== |
iKAGRA ETM suspension preparation; current status
Schedule
- 12th Jan- (2 weeks) Disassembling and Washing (favorable)
- 25th Jan - (2 weeks) Assembling and Hanging with dummy mirror
- 1th Feb- (1 week) coil winding,
- 7th Feb- (1 week) check and transportation to the End and installation test
- 15th Feb- installation
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
- We have 4 pico motor except for x-axis (the direction of the light ) y, z, pitch, yaw
coil driver
- We use KAGRA coil driver; we need to cheek its performance.
cables
==== Assembling [Tomaru, Ohishi, Yamamoto]====
- On 21th, suspension frame, security frame, xy stages completed
Hanging
- Hanging jig preparation