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| = Agenda/Minutes of the VIS Meeting on 2016/11/25 = | = Agenda/Minutes of the VIS Meeting on 2016/12/2 = |
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| 2016/11/25 13:30 - | 2016/12/2 13:30 - |
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| Participants: Takahashi, Okutomi, Ishizaki, Tanaka, Ohishi, Aso, Mark, Raffaele, Shoda, Hirata, Fujii, Enzo, Akutsu, Mark | Participants: |
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| Schedule Chart ([[https://www.dropbox.com/s/2q2elzj6s4lep6r/VIS%20Overall%20Schedule-20161014.pdf?dl=0|PDF]],[[https://www.dropbox.com/s/kwo9bxfb2711jkx/VIS%20Overall%20Schedule-20161014.mpp?dl=0|MPP]]) '''To Be Updated''' | Schedule Chart ([[https://www.dropbox.com/s/4eg4yrl66h264so/VIS%20Overall%20Schedule-20161130.pdf?dl=0|PDF]],[[https://www.dropbox.com/s/fskqtns6bzvw6k8/VIS%20Overall%20Schedule-20161130.mpp?dl=0|MPP]]) |
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| * Installation: Transportation of Type-A items was divided. The first transportation is scheduled on 7-9th December. The second one is scheduled in early January. We are asking to modify the piston system for the corn bellows to the company. * Pre-isolator: Two sets will be shipped on 1st December. The PIs for SR were transported on 21st from Akeno. * EQ stop, release sensor, dummy payload: Some parts have been delivered to Kamioka. The parts remained will be delivered on 12th December. |
* Installation: The first transportation to Y-end for Type-A items is scheduled on 7-9th. The second one is scheduled in early January. * Pre-isolator: Cable connection and check were finished. Two sets have been shipped on 1st. * EQ stop, release sensor, dummy payload: The parts remained will be delivered on 12th. |
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| * Maraging wire: Asking UT ordering them. One set for the first Type-A system can be delivered by 20th January. * Tooling for installation: Still asking some companies a quotation of the hoist tool. * '''Will update the schedule for December and January today (Takahashi)''' |
* Maraging wire: Ordered. The first set will be delivered by 20th January. * Tooling for installation: The hoist tool was ordered. |
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| * Type B Past Week Summary * Mark (with Enzo) did initial TFs on the BF. * Did fixed-sine TFs on individual OSEMs at low frequency to check actuator polarity (klog [[http://klog.icrr.u-tokyo.ac.jp/osl/?r=2176 | 2176]] and [[http://klog.icrr.u-tokyo.ac.jp/osl/?r=2182|2182]]). * Set gains in the COILOUTF block to compensate for actuator polarity. * Mark (with Enzo) did a free-swing measurement on the BS after earthquake of 11/22 (klog [[http://klog.icrr.u-tokyo.ac.jp/osl/?r=2182|2182]]). * Results suspicious (noted by Shoda-san): too much difference between OSEMs - horizontal showing much less motion than vertical. * Possible rubbing in horizontal. * May need a trip to Kamioka. * Mark (with Enzo) made corrections and improvements to many of the MEDM screens (klog [[http://klog.icrr.u-tokyo.ac.jp/osl/?r=2176 | 2176]] and [[http://klog.icrr.u-tokyo.ac.jp/osl/?r=2182|2182]]). * Main overview screen was not generic in many places, and links to GDS_TP screens were broken. * ADC monitor screen referenced bad channels with LIGO-style names. * DAC monitor screen was not generic and did not support IM OSEMs. * Watchdog IM OSEM AC band limit filter screen was a copy of the TM one. * Watchdog TM OSEM AC band limit filter screen appears to be getting OL signals as input - needs model changes to fix. * The zoomed screens for IM OSEM centering were called incorrectly and did not work. * Various screens had LIGO-style channel names as labels. * Mark did a draft of D1603600-v12, including: * New assignment of IM OSEMs to DAQ channels (#4-9 are now V1, V2, V3, H1, H2, H3 rather than H1, H2, ...) from last Friday (the wiring was changed to reflect the model so as to remain consistent with PRx). * Information on how to identify the wires from the steppers and LVDTs so that the adapter cables can be plugged in properly. * Mark worked on schedule. * Hirata-san did drawings for new 8-mm maraging wires for Type A. * Hirata-san worked on PR/SR mirror box modifications with Shoda-san. * '''Update the schedule for the next 2 months immediately (Mark)''' * '''BS handling tool: find pictures/drawings of the iLIGO tool (Mark)''' |
* Put a report here |
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| * Type-Bp Test Hanging Schedule * The assembly lecture was held on Thursday. * Flag removing jig is almost ready. The removing will be done in Dec. 1st. * Stab flags and wire breakers will be deriverd at around Dec. 14th-16th. The hanging will start from the week of 19th. * '''Update the schedule with this delay included (Shoda)''' * Okutomi-kun can join us for the mirror hanging as another expert. * Mirror box modification * pictures |
* Put a report here |
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| * Most of the parts necessary for modification, 2D/3D drawings, cleaning, assembly, manpower for hanging and installation ordered. * Hanging and installation: scheduled 4th-6th and 10-12th January 2017. * Some small parts have not been ordered yet (safety stop, Pico-motor holder, coil holders). * Hanging jig: some missing parts will be ordered. * Magnet fixture jig: have not ordered yet. |
*Schedule * Most of the parts will be assembled and delivered to Kamioka on 28th Dec (I will be taking winter holiday on 28th but I think I can chek it on 30th Dec.). * It depend on the mirror and jig status, but I think the mirror will be hung without magnets/standoff for initial alignment planned in January. * Hanging and installation will start from 4th January. * Two people from FCL are coming for hanging and installation till 12th January. * Mirror * Have not contacted with Hirose-san. * Magnet and standoff fixture jig * Still in Kashiwa (perhaps.. I asked Hirose-san to return it but he didn't reply to me.) * Need at least two new parts and two sims for different thickness of the mirror. * Hanging jig * Drawings * Dropbox. * Remaining parts status * PZT holder * Hanging and Installation Procedure: * Inside the IFI chamber, there already is set large IFI; it is so crowded and seems to be difficult installing IMMT suspension from the side flange. * We are planning to install IMMT2 from the top flange. * Need discussion with Hirose-san about cleanliness control. * IMMTs are not on the center line where cranes move. So perhaps we need to move IMMT by hand after we install it from the top flange. * Place for hanging: * Unfortunately I could not have find breadboard legs. * Ask Kawamura-san if I can use small optical table that was used at MC recently replaced with larger optical bench. * Cables: * For initial alignment, planned in January, I think only Pico-motors will be necessary. (Coils will not be used for initial alignment.) * There already cables used when it was used for iKAGRA ETMs. * Check the place where cables are now. * Digital models * Have not prepared yet. * IMMT picomotor drivers are located in Mozumi now. * Ask Miyo-san for preparation. * Others * Japan Tungsten Company will give us sample of wires. |
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| * Preparing for an experiment to test the heat design. | * Put a report here |
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| * Incidents: no | * Incidents: |
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| * Foreseen risks: make sure to unplug everything before the blackout. | * Foreseen risks: |
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| * PR3 accident: future actions * Modifications to the mirror box and the RM base (Shoda) * Shorter rod (38mm shorter) * Fixing the two slides together * Add pulling screws to the base of the RM * Fix the RM to the base using screws * Basic ideas seem good * '''Shoda and Hirata will make more concrete design so that the modification can be ready before the PR3 test hanging''' * Disassembly * We need to be prepared for accidents like the mirror wires break and the mirror being trapped in the RM * In this situation, we need to have a safe method to remove the mirror from the RM: we need to develop such a procedure and necessary tools * The same procedure can be used for the disassembly of healthy suspension as well. * We will continue to consider what kind of tools/jigs are necessary for this. * For the moment, the priority is on the design of the assembly jigs |
* Mirror box modification |
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| * Mon: * Tue: Power outage preparation/recovery (Aso) * Wed: * Thu: * Fri: PI delivery |
* Mon: BS * Tue: BS * Wed: BS/Type-A transportation * Thu: BS/Type-A transportation * Fri: BS/Type-A transportation |
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* Travel (Week of 11/28): * Takahashi: * Shoda: 12/1 (Kashiwa) * Mark: * Fabian: * Okutomi: * Fujii: * Ishizaki: 12/1-2 (receive PI) * Hirata: * Sato: * Enzo: * Ohishi: |
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| * Travel (Week of 12/12): * Takahashi: * Shoda: * Mark: * Fabian: * Okutomi: * Fujii: * Ishizaki: * Hirata: * Sato: * Enzo: * Ohishi: |
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| On 2016/12/2(Fri) F2F in Mitaka | On 2016/12/9(Fri) |
Agenda/Minutes of the VIS Meeting on 2016/12/2
2016/12/2 13:30 -
Participants:
Progress report
Type-A (Takahashi)
- Installation: The first transportation to Y-end for Type-A items is scheduled on 7-9th. The second one is scheduled in early January.
- Pre-isolator: Cable connection and check were finished. Two sets have been shipped on 1st.
- EQ stop, release sensor, dummy payload: The parts remained will be delivered on 12th.
- BF damper: The production is on going.
- Maraging wire: Ordered. The first set will be delivered by 20th January.
- Tooling for installation: The hoist tool was ordered.
Type B (Mark)
- Put a report here
Type-Bp (Shoda)
- Put a report here
IMMT (Ohishi)
- Schedule
- Most of the parts will be assembled and delivered to Kamioka on 28th Dec
- (I will be taking winter holiday on 28th but I think I can chek it on 30th Dec.).
- It depend on the mirror and jig status, but I think the mirror will be hung
- without magnets/standoff for initial alignment planned in January.
- Hanging and installation will start from 4th January.
- Two people from FCL are coming for hanging and installation till 12th January.
- Most of the parts will be assembled and delivered to Kamioka on 28th Dec
- Mirror
- Have not contacted with Hirose-san.
- Magnet and standoff fixture jig
- Still in Kashiwa (perhaps.. I asked Hirose-san to return it but he didn't reply to me.)
- Need at least two new parts and two sims for different thickness of the mirror.
- Hanging jig
- Drawings
- Dropbox.
- Remaining parts status
- PZT holder
- Hanging and Installation Procedure:
- Inside the IFI chamber, there already is set large IFI;
- it is so crowded and seems to be difficult installing IMMT suspension from the side flange.
- We are planning to install IMMT2 from the top flange.
- Need discussion with Hirose-san about cleanliness control.
- IMMTs are not on the center line where cranes move.
- So perhaps we need to move IMMT by hand after we install it from the top flange.
- Inside the IFI chamber, there already is set large IFI;
- Place for hanging:
- Unfortunately I could not have find breadboard legs.
- Ask Kawamura-san if I can use small optical table that was used at MC recently replaced with larger optical bench.
- Cables:
- For initial alignment, planned in January, I think only Pico-motors will be necessary.
- (Coils will not be used for initial alignment.)
- There already cables used when it was used for iKAGRA ETMs.
- Check the place where cables are now.
- For initial alignment, planned in January, I think only Pico-motors will be necessary.
- Digital models
- Have not prepared yet.
- IMMT picomotor drivers are located in Mozumi now.
- Ask Miyo-san for preparation.
- Others
- Japan Tungsten Company will give us sample of wires.
Watchdog system (Tanaka)
- Put a report here
Safety
- Incidents:
- Foreseen risks:
Discussion
- Mirror box modification
Site work plan for the next week
- Mon: BS
- Tue: BS
- Wed: BS/Type-A transportation
- Thu: BS/Type-A transportation
- Fri: BS/Type-A transportation
Travel Plans
- Travel (Week of 12/5):
- Takahashi: 12/6-12/9
- Shoda:
- Mark: 12/5-12/9
- Fabian: 12/5-12/9
- Okutomi:
- Fujii:
- Ishizaki: 12/6-12/9
- Hirata:
- Sato:
- Enzo: 12/5-12/9
- Ohishi:
- Travel (Week of 12/12):
- Takahashi:
- Shoda:
- Mark:
- Fabian:
- Okutomi:
- Fujii:
- Ishizaki:
- Hirata:
- Sato:
- Enzo:
- Ohishi:
Next meeting
On 2016/12/9(Fri)