 Wed May 11 17:59:12 2011, JB, , , Re-entrant flange alignment
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Alignments checks revealed that downstream end of TUDA was ~1mm off (can't remember which way).
Re-entrant flange (window end) found to be ~5mm too low and ~2mm to the left. Checked upstream end of chamber and was ok.
Removed bellows etc. and re-entrant flange, replaced with re-entrant flange bolts only figure tight. Tighten bolts from inside chamber whilst checking |
 Thu May 12 03:04:44 2011, Tom Davinson, , , Re: Re-entrant flange alignment
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> Alignments checks revealed that downstream end of
> TUDA was ~1mm off (can't remember which way).
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Sat May 7 17:29:13 2011, JB, , , Window leak tests on TUDA 
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Attached plot shows rate of pressure increase in ~2l volume upstream of TUDA with Ni window #2 installed on reentrant flange. Comparison between
a)pumping out TUDA and 2l volume, and
b) filling TUDA with ~340mbar of He and pumping out 2l volume. |
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Fri May 6 15:08:00 2011, JB, , , New TUDA EPICS layout
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Fri May 6 06:03:00 2011, Tom Davinson, , , Sort programs, spectra titles & calibration procedure
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A summary of online sort programs can be found at:
~/S1287/sort/README
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Thu May 5 11:31:13 2011, JB, , , Tom's ToDo List
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Version 2 of ...
- re-test
chamber/coolant loop with vacuum cycle - done
- install MSL Type W preamp - done
- to adjust position of support ring, temporarily loosen |
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Sun Apr 17 09:47:04 2011, Tom Davinson, , , Sunday 17 April
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Continuation of yesterday's test with c. 300mBar of He
in the TUDA chamber.
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Sat Apr 16 09:31:56 2011, Tom Davinson, , , Saturday 16 April
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Continuation of yesterday's test with c. 300mBar of He
in the TUDA chamber.
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Fri Apr 15 11:00:17 2011, Tom Davinson, , , Friday 15 April
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11.15 See attachment 1 for overnight EPICS log of TUDA2.CG5
Downstream flange *not* secured by four bolts
Current pressure 0.97Torr - rate of increase ~0.2 Torr/5h
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Thu Apr 14 10:06:34 2011, Tom Davinson, , , Thursday 14 April
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10.02 See attachment 1 for overnight EPICS log of TUDA2.CG5
Downstream flange secured by four bolts
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Wed Apr 13 09:37:51 2011, Tom Davinson, , , Wednesday 13 April
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09.20 TUDA2.PNG5 1.04E-06Torr
See attachments 1 & 2 for EPICS log of pump down and overnight
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Wed Apr 13 03:55:21 2011, Jamie, , , Safety Report
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attached
note. s2 position in fig. 1 is wrong, should be 360mm. |
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Wed Apr 13 03:43:42 2011, Jamie, , , Ni window leak tests 1
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2um x 8 mm Ni windows leaked tested on TUDA gas cell. With window placed on the outside of the cell, cell was evacuated and pressure monitored with time,
i.e. 1atm differential air pressure. Comparison to leak rate with blank flange also do.
Tests were performed in order: Ni, 30 minuets pumping, Ni again, blank, Ni third time. |
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Tue Apr 12 11:21:38 2011, Tom Davinson, , , Tuesday 12 April
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The TUDA @ ISAC-II grounding test was successfully completed this am
per work permit 2011-04-12-2.
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Mon Apr 11 18:39:17 2011, Tom Davinson, , , Monday 11 April
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TUDA was successfully re-installed on SEBT1 by LB, TD, AML and PM.
Alignment checked by pillar mounted telescope downstream of HERACLES
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Mon Apr 11 14:57:08 2011, Tom Davinson, , , SEBT1 & HERACLES wipe tests
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Work permit (2011-4-11-3) was requested to vent SEBT1 upstream of TUDA chamber
and HERACLES to permit line-of-sight for alignment of TUDA chamber. Note that
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Sat Apr 9 14:57:30 2011, Tom Davinson, , , MIDAS DAQ configuration 11x
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tuda2 (by TUDA chamber, SEBT1) was powered off on arrival
- this may have been due to a previous power outage between
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Sat Apr 9 11:35:14 2011, Tom Davinson, , , TUDA configuration & setup
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Nominal detector configuration for S1287 is as follows:
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Mon Apr 4 01:34:54 2011, Jamie Brown, Routine, General, Proposal
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| See attached. |