[Dsg-halla_ecal] Ecal supermodule assembly materials

[shahinya at jlab.org]

Hi Marc,

See you on Thursday.

Thanks,
Albert

> 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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>>
>
>
>