[Pansophy] L2HE-INSP-FWM-R2 Ready for Approval
Gary Cheng
cheng at jlab.org
Wed Jun 8 10:41:55 EDT 2022
Thanks Tiffany! I'm ready to sign the traveler.
Gary
On 6/8/2022 10:19 AM, Tiffany Ganey wrote:
>
> I replaced “Polish” with “uinch” and re-uploaded the file.
>
> Tiffany Ganey
>
> *From:* Allen Samuels <samuels at jlab.org>
> *Sent:* Wednesday, June 8, 2022 10:14 AM
> *To:* Gary Cheng <cheng at jlab.org>; Tiffany Ganey <ganey at jlab.org>
> *Cc:* John Hogan <hogan at jlab.org>; George DeKerlegand
> <georged at jlab.org>; pansophy <pansophy at jlab.org>
> *Subject:* RE: L2HE-INSP-FWM-R2 Ready for Approval
>
> Okay good. In that case, as soon as everyone’s in agreement on the
> polish, I’ll route.
>
> Allen
>
> *From:* Gary Cheng <cheng at jlab.org <mailto:cheng at jlab.org>>
> *Sent:* Wednesday, June 8, 2022 10:13 AM
> *To:* Allen Samuels <samuels at jlab.org <mailto:samuels at jlab.org>>;
> Tiffany Ganey <ganey at jlab.org <mailto:ganey at jlab.org>>
> *Cc:* John Hogan <hogan at jlab.org <mailto:hogan at jlab.org>>; George
> DeKerlegand <georged at jlab.org <mailto:georged at jlab.org>>; pansophy
> <pansophy at jlab.org <mailto:pansophy at jlab.org>>
> *Subject:* Re: L2HE-INSP-FWM-R2 Ready for Approval
>
> Tiffany explained the reason for using 32 in Step 2. That sounds good
> to me. My only other comment is on the "Polish" as being unclear
>
> On 6/8/2022 10:03 AM, Allen Samuels wrote:
>
> Tiffany,
>
> The traveler looks good from the standpoint of getting it into
> pansophy, but I don’t want to send it out for approval if you all
> are still discussing it. If you all are in agreement, let me know
> and I’ll route it as is. If not, let me know when you are and put
> a revised version in ready for approvals if any changes are needed.
>
> Allen
>
> *From:* Pansophy <pansophy-bounces at mailman.jlab.org>
> <mailto:pansophy-bounces at mailman.jlab.org> *On Behalf Of *Tiffany
> Ganey
> *Sent:* Wednesday, June 8, 2022 9:27 AM
> *To:* Gary Cheng <cheng at jlab.org> <mailto:cheng at jlab.org>
> *Cc:* John Hogan <hogan at jlab.org> <mailto:hogan at jlab.org>; George
> DeKerlegand <georged at jlab.org> <mailto:georged at jlab.org>; pansophy
> <pansophy at jlab.org> <mailto:pansophy at jlab.org>
> *Subject:* Re: [Pansophy] L2HE-INSP-FWM-R2 Ready for Approval
>
> The vendor is still being asked to make the port window to the
> drawing specification (16 uinch). Based on FNAL’s input, I
> revised the traveler (which is for JLab use only and is not
> provided to the vendor) to allow for 32 as a surface finish. This
> is still a more polished finish than the FNAL requirement of 64,
> but will allow us to evaluate port windows that might be
> questionable to verify if they are acceptable for use.
>
> Tiffany Ganey
>
> *From:* Gary Cheng <cheng at jlab.org <mailto:cheng at jlab.org>>
> *Sent:* Wednesday, June 8, 2022 9:19 AM
> *To:* Tiffany Ganey <ganey at jlab.org <mailto:ganey at jlab.org>>
> *Cc:* George DeKerlegand <georged at jlab.org
> <mailto:georged at jlab.org>>; John Hogan <hogan at jlab.org
> <mailto:hogan at jlab.org>>; pansophy <pansophy at jlab.org
> <mailto:pansophy at jlab.org>>
> *Subject:* Re: L2HE-INSP-FWM-R2 Ready for Approval
>
> Hi Tiffany,
>
> I took a glance at the R2. A couple comments:
>
> 1. Step 2 says 32 Polish not 64 uinch as mentioned in revision notes
> 2. Not sure if "Polish" is an accurate unit/jargon that everyone
> understands. Suggest to use "uinch" or "microinches" instead. On
> some drawings, surface finish is specified in micrometers so
> "Polish" may not be clear.
>
> I'd suggest that we don't let vendor know of our internal hard
> limit on the surface finish, i.e. 64 uinch, so that they don't
> deliver windows with poor finish.
>
> Thanks,
> Gary
>
> On 6/8/2022 8:29 AM, Tiffany Ganey wrote:
>
> Good morning Pansophy Team,
>
> A new revision of L2HE-INSP-FWM is in the Ready for Approvals
> folder. The traveler was revised based on the lessons learned
> from the inspection of the first two manifolds.
>
> Added Step 1 Note on acceptable deviations from the Port
> Window Drawing (F10040909) - these are normal deviations for a
> stock blank flange. Added Step 1 Images Comment field. Added
> Step 2 instructions on when an NCR is needed for surface
> finish - based on input from Brian Hartsell (FNAL) and FNAL's
> Vacuum Window Safety Chapter requirement for surface finish of
> at least a 64 uinch. Added Step 3 instructions on dimensions
> requiring an NCR - since this manifold is removed from the
> cryomodule prior to shipment to SLAC, only dimensions critical
> to vacuum safety will require an NCR.
>
> Tiffany Ganey
>
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