iKAGRA ETM suspension preparation; current status
Schedule
- 12th Jan- (2 weeks) Disassembling and Washing (favorable)
- 25th Jan - (2 weeks) Assembling and Test Hanging with dummy mirror
- 1th Feb- (1 week) coil winding,
- 7th Feb- (1 week) measurement of transfer function, transportation to the End area and installation test
- 15th Feb- installation
Disassembling at Mitaka [Ohishi]
- [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-motors 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
Transfer Function Measurement
Transportation to the End
Installation
