[Dsg-halla_ecal] Ecal supermodule assembly materials

[Marc Mcmullen]

Hi Albert,

I'll be at the lab on Thursday. 42 is the balance of what we have made and the minimum total (57). 52 would be 10 more, are these needed as well? If that is the case, the table will need to be adjusted. Feel free to review it and make any changes, we can talk on Thursday.

Regards,
Marc
________________________________
From: shahinya at jlab.org <shahinya at jlab.org>
Sent: Tuesday, February 1, 2022 1:59 PM
To: Marc Mcmullen <mcmullen at jlab.org>
Cc: dsg-halla_ecal at jlab.org <dsg-halla_ecal at jlab.org>; Patrizia Rossi <rossi at jlab.org>
Subject: Re: [Dsg-halla_ecal] Ecal supermodule assembly materials

Hi Marc,

Please see me. We can discus about additional  5 super module frame.
Total super module frame number in your table indicate 42 it can to be 52.

Thank you,
Albert



> Hi Bogdan,
>
> I spoke with Albert yesterday and he informed me that springs are being
> procured. Assembly production will stop next week until the new springs
> arrive. DSG will continue some of the preparation steps (measuring
> lead-glass blocks, sorting, cutting foils, and light-guide wrapping) until
> there are enough to make all the supermodules.
>
> In addition to the springs, we will need at least 5 more frames to reach
> 57 supermodules and 6 lead-glass/light-guide assemblies to have the
> minimum amount to make 57 supermodules plus some spare
> lead-glass/light-guide assemblies.
>
> Regards,
> Marc
>
> Part name       parts on-hand   will make # Supermodules        comment
> cut springs     45      5       limiting factor on supermodule production
> cu clad lead glass/light guide assembly 375     41      need 9 more
>
> SM 1 frames     18      18      need 3 frames
> SM 2 frames     19      19      need 2 frames
> total frames    37      37      need to make 42 sm
>
> Completed Supermodules
> SM 1    7
> SM 2    8
> subtotal        15
>
> Supermodules needed to complete (57 total)      42
>
>
>
>
>
>
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