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Andrey Sviyazov andreysviyaz at gmail.comUnfortunately, Protocase can't supply proper heat sink as we might wish. Best regards, Andrey Sviyazov. 2012/11/12 Alexander Chemeris <alexander.chemeris at gmail.com> > On Thu, Nov 8, 2012 at 11:30 PM, Darby <darbysgoodies at gmail.com> wrote: > >> I'm not sure whether you actually need a 3D design here? As I see it, > >> you select a proper existing case and just design front/rear panels > >> and drilling pattern for mounting. I may be wrong, though - I've never > >> done this before. I just worry that a fully custom case could be too > >> expensive in small quantities. > > > > Im sure you could use a preexisting design, and just punch some holes > > in the sides for convection cooling, then punch some holes in the back > > to accommodate power & cabling, and use some motherboard standoffs > > that would keep the board mounted in place on the enclosure floor. > > Yes, I was looking for something like that - simple and inexpensive. > It would be a shame if a case cost a considerable part of the thing. > > > I was thinking more along the lines of stamped/bent sheet metal, some > > lightpipes (plexyglass or polycarbonate) in the front so youve got > > visibility of the lights in the front & some countersunk holes on the > > sides to keep the 2 C shaped (or L shaped would work well too? -Which > > might be a better implementation for mounting purposes if youre going > > with lightpipes as opposed to holes in the case for lights) pieces > > bolted together & a powdercoated or painted finish? > > For lab version we could use 3-LED columns, like the ones we used in > UmTRXv1: > http://wiki.umtrx.googlecode.com/hg/images/umtrxv1/UmTRX-top.jpg > UmTRXv2 has places to colder them instead of SMD LEDs: > http://wiki.umtrx.googlecode.com/hg/images/umtrxv2/UmTRXv2.jpg > In this case light-pipes are not needed and we could just drill holes > at the front panel. > > I have no preference between U/C, L or slide-in cases. Anything which > is easy to handle, inexpensive and looks good is fine. > > > I found some design tools at protocase, that it looks as though will > > pushout 3d cad files as deliverables, but looking thru the project > > files -I cant seem to find anything that would give me specifics on > > distances between the mounting holes from each other's centerpoints & > > how wide these holes are, If someone can point me to a place where I > > can find this -Ill take a stab at case design when Ive got some free > > time... =) > > No idea, sorry. I think you'd best contact Protocase with this uestion > - I think they should be interested in supporting potential customers. > > > On a side note, They also have an extruded aluminum offering > > (http://www.protocase.com/products/index.php?e=Aluminum) where the > > sides are the same between the left & the right, with a fixed height > > of 1.72" (43.688mm). For mounting they use some internal channels that > > the board will slide into (as opposed to motherboard standoffs as > > suggested above) then they use a sheetmetal bridge for the top & > > bottom to determine the width & then sheetmetal on front & back as > > well -Depending on quantity, they might be willing to sell lengths > > (like say 10 or 20ft at a time) that your people could cut to size & > > fabricate their own top/bottom/front/back panels? > > > > Just a thought... > > Hum, this looks interesting. Though we need something ready, i.e. > already cut and with ready-to-use front/back panels. > > I wonder how much would it cost to get cases shipped from them to > Europe. For, say, 20-50pcs. > > -- > Regards, > Alexander Chemeris. > CEO, Fairwaves LLC / ООО УмРадио > http://fairwaves.ru > > -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.osmocom.org/pipermail/umtrx/attachments/20121112/7c84ec85/attachment.htm>