[dsg-hallb_rich] Test of Grainger springs on mirror mounting points

[Amrit Yegneswaran]

very good tyler

________________________________
From: Tyler Lemon <tlemon at jlab.org>
Sent: Friday, October 15, 2021 2:17 PM
To: dsg-hallb_rich at jlab.org <dsg-hallb_rich at jlab.org>; Marco, Mirazita <marco.mirazita at lnf.infn.it>
Cc: Patrizia Rossi <rossi at jlab.org>; Amrit Yegneswaran <yeg at jlab.org>
Subject: Test of Grainger springs on mirror mounting points

Hi Marco Mirazita,

I put together the parts if the mirror mounting points like we discussed in this morning's meeting.

The Grainger springs are stable and fit well in the grooves and recesses of the mounting point parts.

Attached are photos in series of how I put it together.


Also, I was not able to find any spare springs from RICH-1. I looked in all cabinets in EEL 124 cleanroom with RICH parts and the cabinet in the EEL hallway with RICH parts. I did find one box with parts similar to what you recently shipped me, but there were no springs.

On a more positive note, I did find a fiber polishing kit in the RICH cabinet in EEL 124, so we will be able to polish the d0 source fiber next time we run tests.

-Tyler



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