1648
Comment:
|
2251
|
Deletions are marked like this. | Additions are marked like this. |
Line 6: | Line 6: |
==== Report for week of 7/17 ==== * We checked the polarity of the IP LVDTs and flipped coil connections to get the standard arrangement. * We debugged an issue where one of the LVDT actuators had half the magnets in backwards resulting in no force. * We calibrated all the PI LVDTs. * We set the SF damper ring gap. * We prepped the suspension for craning, moved it into the tank and hooked the LBB damper ring rods. * Type A merged the SRM F0 with the correct IP, and we moved it out of the way (to the second floor behind the SRM tank). * We installed more cable clamps on the SR2 PI. |
==== Report for week of 9/17 ==== * Monday 9/17 was holiday. * We optimized the trim mass on the SF to get more balance torque with less total mass. We now have a reserve of 480 g for the yaw pico. * We set the SF damper gap to 6 mm. * We set the SR2 pitch with the optic lever, aligned the IRM, and set all the OSEMs to have good clearance and midrange output. * We locked the SR2 suspension, craned it into the tank and hooked the LBB damper rings (but not the LBB yet). * With help from Ohishi-san, we removed the First Contact from SR2. * Mark did an audit of all the electronics boxes and updated the item list and S-number file cards on JGWDoc. * Mark added some thin arc weights to the inventory and finalized the number of various types to order (8*38 mm + 9*10 mm). * Panwei copied control filters over from the SR3. ==== Plan for week of 9/24 ==== * Monday 9/24 is holiday (Autumn Equinox). * Mark, Hirata-san, Fabian, Panwei at Kamioka Tue-Fri. ===== SR2 ===== * Move SR2 in-air cables. * Unlock and realign suspension. ===== SRM ===== * Set pitch of SRM and RM, tighten clamps, remove winch system. * Weigh IM/... section. * Build up SS to BF level. * Add BF. * Suspend IM and tweak height/balance. |
Line 15: | Line 30: |
==== Plan for week of 7/23 ==== * Mark, Enzo, Fabian, Kozu-kun, Terrence, Panwei at Kamioka Mon-Fri. * Hirata-san at Kamioka Mon-Thu. * Mirapro moves assembly frame ≈7/25 (Wed). |
==== Plan for week of 10/1 ==== * Mark, Hirata-san, Fabian, Panwei at Kamioka Mon-Fri. ===== SRM ===== * Cable/test BF. * Install IRM. * Install/cable/test IM OSEMs. |
Line 20: | Line 37: |
===== SR3 ===== * Unlock suspension. * Rearrange cables. * Test. ===== SR2 ===== * Finish PI prep. * Crane into AF, suspend. * Start cable routing. |
==== Plan for week of 10/8 ==== * Monday 10/8 is Sports Day. * Mark and Terrence (plus TBD) at Kamioka Mon-Fri. * Hirata-san, Fabian and Panwei at Kamioka Tue-Fri. ===== SR2/SR3 ===== * Terrence to set up LEN half of SR3 OL and, time permitting, TILT and LEN for SR2. |
Line 29: | Line 44: |
* Prepare to assemble SRM metal mass (most parts due Wed 7/25). * Help Mirapro with AF move. * Start rebuild of top filter of PI #2. |
* Continue installation. |
Line 38: | Line 51: |
==== Vacation Info ==== * Hirata-san at Mitaka 7/27. * Terrence: 8/24-26 f2f, then returns to Hong Kong. * Enzo: 9/14 JPS, 9/15 through 10/8 vacation in Chile. |
==== Vacation/Visitor Info ==== * Enzo: 9/15 through 10/8 vacation in Chile. * Terrence: 10/8-12, 10/29-11/2 at Kamioka. |
Scraps of text for incorporation in the VIS Meeting Minutes
KAGRA/Subgroups/VIS/MeetingNAOJ
Type B (Mark)
Report for week of 9/17
- Monday 9/17 was holiday.
- We optimized the trim mass on the SF to get more balance torque with less total mass. We now have a reserve of 480 g for the yaw pico.
- We set the SF damper gap to 6 mm.
- We set the SR2 pitch with the optic lever, aligned the IRM, and set all the OSEMs to have good clearance and midrange output.
- We locked the SR2 suspension, craned it into the tank and hooked the LBB damper rings (but not the LBB yet).
- With help from Ohishi-san, we removed the First Contact from SR2.
- Mark did an audit of all the electronics boxes and updated the item list and S-number file cards on JGWDoc.
- Mark added some thin arc weights to the inventory and finalized the number of various types to order (8*38 mm + 9*10 mm).
- Panwei copied control filters over from the SR3.
Plan for week of 9/24
- Monday 9/24 is holiday (Autumn Equinox).
- Mark, Hirata-san, Fabian, Panwei at Kamioka Tue-Fri.
SR2
- Move SR2 in-air cables.
- Unlock and realign suspension.
SRM
- Set pitch of SRM and RM, tighten clamps, remove winch system.
- Weigh IM/... section.
- Build up SS to BF level.
- Add BF.
- Suspend IM and tweak height/balance.
Plan for week of 10/1
- Mark, Hirata-san, Fabian, Panwei at Kamioka Mon-Fri.
SRM
- Cable/test BF.
- Install IRM.
- Install/cable/test IM OSEMs.
Plan for week of 10/8
- Monday 10/8 is Sports Day.
- Mark and Terrence (plus TBD) at Kamioka Mon-Fri.
- Hirata-san, Fabian and Panwei at Kamioka Tue-Fri.
SR2/SR3
- Terrence to set up LEN half of SR3 OL and, time permitting, TILT and LEN for SR2.
SRM
- Continue installation.
To-Do Lists, Schedule
Vacation/Visitor Info
- Enzo: 9/15 through 10/8 vacation in Chile.
- Terrence: 10/8-12, 10/29-11/2 at Kamioka.