[Moller_intdet] [EXTERNAL] Ring 5 prototype

[Wouter Deconinck]

Hi Michael,

We only have carbon-fiber infused PLA, but the printers can
do carbon-infused nylon as well. All these materials will need radiation
hardness testing. In that respect, I think nylon is better than PLA (since
nylon is essentially what windform XT is).

Cheers,
Wouter

On Mon, May 3, 2021 at 11:44 AM Michael Gericke <
mgericke at physics.umanitoba.ca> wrote:

> *Caution:* This message was sent from outside the University of Manitoba.
>
> Hi Jim,
>
> I believe so, since we have been talking about doing that all along
> (carbon infused nylon or something like that), but the best person to
> comment on that is probably Wouter.
>
> Cheers,
>
> Michael
>
> On 2021-05-03 11:14 a.m., James Fast wrote:
>
> *Caution:* This message was sent from outside the University of Manitoba.
>
> Indeed – I started using 3D printing in the early 1990’s just to envision
> complex parts for the machine shop and that alone was worth every penny,
> though it was a LOT of pennies in those days.
>
>
>
> So your equipment can support chopped carbon fiber reinforcement?  I have
> a part for EIC silicon I am interested in prototyping and was looking
> around for someone who could perhaps print one at some point.
>
>
>
> James Fast
>
> MOLLER Project Manager
>
> Jefferson Lab
>
> 757-230-6833
>
>
>
>
>
> *From: *Michael Gericke <mgericke at jlab.org> <mgericke at jlab.org>
> *Date: *Monday, May 3, 2021 at 11:50 AM
> *To: *James Fast <jfast at jlab.org> <jfast at jlab.org>, moller_intdet at jlab.org
> <moller_intdet at jlab.org> <moller_intdet at jlab.org>, Larry Bartoszek
> <design at bartoszekeng.com> <design at bartoszekeng.com>
> *Subject: *Re: [Moller_intdet] [EXTERNAL] Ring 5 prototype
>
> Hi Jim,
>
> Yes, for next prototype we want it to be black and printed from radiation
> hard material.
>
> This was printed with the material that was being used here already and
> should be considered a first assembly test. For that purpose this was
> ideal, since we were able to identify some issues
> with the design that we need to address. Thanks to Wouter pushing the
> purchase of so much new equipment here, through the faculty no less, we
> should be in a position to turn out the next prototypes pretty rapidly,
> over the summer,
> until we have something that works really well. It is very useful, even if
> we end up deciding to have it machined from aluminum in the end.
>
> Michael
>
> On 2021-05-03 7:06 a.m., James Fast wrote:
>
> Very nice!
>
> I am pretty sure production parts should be black to gobble up any photons
> that don’t totally internally reflect in the quartz, but very nice.  Is
> that a nylon plastic?  We do need to consider radiation hardness of these
> parts….we don’t want these to embrittle an become very fragile.
>
>
>
> Jim
>
>
>
> James Fast
>
> MOLLER Project Manager
>
> Jefferson Lab
>
> 757-230-6833
>
>
>
>
>
> *From: *Michael Gericke <Michael.Gericke at umanitoba.ca>
> <Michael.Gericke at umanitoba.ca>
> *Date: *Friday, April 30, 2021 at 7:13 PM
> *To: *moller_intdet at jlab.org <moller_intdet at jlab.org>
> <moller_intdet at jlab.org>, Larry Bartoszek <design at bartoszekeng.com>
> <design at bartoszekeng.com>, James Fast <jfast at jlab.org> <jfast at jlab.org>
> *Subject: *[EXTERNAL] Ring 5 prototype
>
> Hello,
>
> Nafis and I put together the first full scale Ring 5 prototype this
> afternoon (see attached figures). The entire mounting structure is 3D
> printed and the quartz and light guide are installed, and we test fitted
> the PMT.
> The structural integrity is very good, even though we did not use a
> particularly special (say carbon fiber infused) material.  We will be
> improving several things we noticed, which made the assembly cumbersome
> and which would eventually improve the light tightening.
>
> Regards,
>
> Michael
>
>
>
>
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