[Dsg-halla_ecal] DSG supermodule assembly update

[Marc Mcmullen]

Hi Albert,

I will be at the lab tomorrow by 10am. I have a meeting at 11, so 10 would be better.

Regards,
Marc McMullen
Sr. Instrumentation Designer
Detector Support Group
(757) 269-7738

From: shahinya at jlab.org<mailto:shahinya at jlab.org>
Sent: Wednesday, March 2, 2022 9:06 AM
To: Marc Mcmullen<mailto:mcmullen at jlab.org>
Cc: dsg-halla_ecal at jlab.org<mailto:dsg-halla_ecal at jlab.org>
Subject: Re: [Dsg-halla_ecal] DSG supermodule assembly update

Hi Marc,

Can we meet tomorrow (Thursday) in room 122 or 126 at  11:00
or any time which work for you.

Thank you,
Albert

> Hi Albert,
>
> I have looked through the threaded rods you gave last week. There were
> only 2 cut and machined for SM2 modules. The rest are too long.
>
> Here is a table of all parts needed to build 9 SM2 Frames (from February
> inventory of supermodules and parts). These frames are needed to complete
> the project. The "Need" column indicates the amount of each frame part
> which must be procured or fabricated.
>
> SM2 Frame Parts
> Need for 9 frames
> On-hand
> Need
> Spacers (long)
> 81
> 27
> 54
> Set of flanges
> 9
> 5
> 4
> Threaded rods (short)
> 36
> 10
> 26
> Set of sides (long)
> 9
> 5
> 4
>
>
> Is there an update on the order for 600 springs, after this week we will
> not be able to assemble supermodules. I have cut all the ones you gave and
> glued them for assembly.
>
> Until the springs arrive we will work on assembly of the 9 SM2 frames with
> the parts we have available, as well as measuring and sorting of the
> lead-glass assemblies.
>
> Regards,
> Marc
>
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