[dsg-hallb_rich] [EXTERNAL] Re: request for quote
Dario Orecchini
Dario.Orecchini at lnf.infn.it
Mon Nov 15 02:18:06 EST 2021
Hi Marc,
but just a clarification, which kind of technology the company will use,
because the tolerances +-0.125" appears too much large.
Are you sure it's correct?
i suspect that it's would be 0.0125" instead of 0.125"
It's a pleasure hear you again
Dario
Il 2021-11-12 21:32 Marc Mcmullen ha scritto:
> Hi Sandro,
>
> The tolerance given is too tight for GandR to provide a quote. They
> propose:
>
> Standard for the peripheral and large penetrations would be +-.125''.
> Hole size and pattern +-.032''.
>
> Will this work for your design? If so, I believe they will see if
> they can source the aluminum you specified. If they can source the
> materials, they will probably quote the project. So far we requested
> quotes from two companies, GandR is one of them, and the other shop
> declined to quote.
>
> The Jlab machine shop estimate is $2000. I would like to get another
> quote just to gauge the Jlab estimate.
>
> Regards,
>
> Marc McMullen
>
> Sr. Instrumentation Designer
>
> Detector Support Group
>
> (757) 269-7738
>
> From: Tomassini Sandro
> Sent: Friday, November 12, 2021 1:43 PM
> To: Marc Mcmullen
> Cc: dsg-hallb_rich at jlab.org
> Subject: [EXTERNAL] Re: [dsg-hallb_rich] Fw: request for quote
>
> Hi Marc,
>
> The general tolerance should be better than +-0.1 mm.
>
> For the aluminum grade consider that Al6082 T6 is good or equivalent.
>
>
> Ciao
>
> Sandro
>
> Inviato da BlueMail [3]
>
> Il giorno 12 nov 2021, alle ore 18:22, Marc Mcmullen
> <mcmullen at jlab.org> ha scritto:
>
>> Hi Marco,
>>
>> GandR needs to know the tolerance requirement and the grade of the
>> aluminum.
>>
>> Regards,
>>
>> Marc
>>
>> From: eric at gandrmetals.com <eric at gandrmetals.com>
>> Sent: Friday, November 12, 2021 10:05 AM
>> To: joni at gandrmetals.com <joni at gandrmetals.com>; Marc Mcmullen
>> <mcmullen at jlab.org>; ryan at gandrmetals.com <ryan at gandrmetals.com>
>> Subject: [EXTERNAL] Re: request for quote
>>
>> Marc,
>>
>> Marc,
>> I need to know the grade of aluminum you would like and the
>> tolerances we need to hold.
>>
>> Thanks,
>>
>> Eric VanDusen
>>
>> Projects Manager/Estimator
>>
>> G&R Metals
>>
>> eric at gandrmetals.com
>>
>> 757-244-5693 [1]
>>
>> 810 Kiwanis St
>>
>> Hampton Va 23661
>
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