[time-nuts] Form factor
rdarlington at gmail.com
Mon Jan 3 19:47:07 UTC 2011
I particularly like the Box Enclosures brand extruded aluminum boxes. The
series 2 and series 3 enclosures take 100mm wide Eurocard boards perfectly.
They are very easy to machine if you want D holes for BNC connectors, etc.
They're also extremely high quality and cheap! Newark sells them and I use
them all the time for projects. I really can't say enough good things about
This link should bring up the listing of Series 2 and 3 (100.5mm wide slots
internal) at Newark Electronics: *http://tinyurl.com/boxenclosures*
On Mon, Jan 3, 2011 at 12:35 PM, Chris Albertson
<albertson.chris at gmail.com>wrote:
> Hammond also make aluminum boxes from extrusions. These have parallel
> walls and there are slots for mounting PCBs. I don't think we need to
> select a "standard" box. only a "standard PCB siz. If you pick 100mm
> x 160mm that is a standard eurocard size and there are many boxes that
> hold 100 x 160mm PCBs. Making the cards a common size with standard
> mounting hole locations also allows you to stack them with spacers if
> you don't want to buy aluminum boxes.
> On Mon, Jan 3, 2011 at 7:16 AM, jimlux <jimlux at earthlink.net> wrote:
> > bownes wrote:
> >> I love those Hammond boxes until I have to pay the bill. The one for my
> >> n2pk VNA was about $28.
> > I find the non-parallel sides really inconvenient on the Hammond boxes.
> > It means you can't mount the boards to the sides of the box, just to the
> > bottom or the top.
> > COMPAC (http://www.compac-rf.com/) has enclosures that are a section
> of a
> > rectangular tube aluminum extrusion with lids. I think you could
> > pretty well with some other technique (i.e. buying some other kind of
> > extrusion and cutting it yourself.) Yes, the screws to hold the lids on
> > tiny and numerous, which is a pain. And I'd hate to have to do it by
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> Chris Albertson
> Redondo Beach, California
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