Help: Making Project boxes

[Baron]

Jasen Betts Inscribed thus:

On 2010-04-26, Searcher7 <Searcher7@mail.con2.com> wrote:
On Apr 25, 4:00 am, Jasen Betts <ja...@xnet.co.nz> wrote:
On 2010-04-25, Searcher7 <Search...@mail.con2.com> wrote:



On Apr 10, 10:58 am, Searcher7 <Search...@mail.con2.com> wrote:
On Mar 2, 8:24 pm, "Paul E. Schoen" <p...@peschoen.com> wrote:

"Bleep" <bl...@bleep.in> wrote in message

news:deKdnQx2QZdSHBDWnZ2dnUVZ_rmdnZ2d@earthlink.com...

Also, maybe these sites will help you out:

http://electronicsusa.com/productsboxes.html

http://www.westnc.com/boxomni.html

http://www.all-spec.com/products/Storage_and_Handling
Containers|CON-06/?x=25&i=1&f=p

Well, hopefully one of those gives you some ideas...

Another possibility is to use one of the new blue plastic
electrical boxes. I've seen them as cheap as 20 cents each.
They are certainly rugged enough, but rather ugly.

Paul

Thanks everyone. All those links came in handy.

Darren Harris
Staten Island, New York.

Does anyone have any idea on how to secure 24 position straight
header pins to one of these project boxes?

With normal PCBs it would be solder that secures the pins, but
this obviously will not work with these plastic boxes. So after I
find the correct size drill to make the holes in the box for the
pins I have to use some sort of cement top keep the header in
place.

http://arcadecontrols.com/BBBB/header24.jpg
http://arcadecontrols.com/BBBB/24inline.jpg

http://www.all-spec.com/products/Storage_and_Handling|Containers
CON-06/663-321.html

Thanks a lot.

Darren Harris
Staten Island, New York.

the type of cement that's best used depends on what sort of plastic
it is.

Do you know of a site that sells cements for this purpose?

no, but plumbers do a lot of solvent welding of plastic, but first you
need to know what type of plastic.

can you solder the header to a PCB and then bolt the PCB to the
case?

I thought about that, since the already existing PCB will already be
secured inside using stand-offs it makes this difficult.

I was just thinking. Since I'll be using stand-offs, perhaps I don't
need a conductive box.(Even though PCBs with circuits etched in them
are considered "static sensitive devices").

how about a longer than usual header to compensate for the stand-offs?

static sensitivity depends on the circuitry inside the case (I'm
guessing EEPROMS, so it could be a proble)

Since the pins in the header are a friction fit, the only way to secure
them would be to mount it onto a PCB. If you used a 90' angle header
you could mount it onto the PCB and provide access via a slot cut in
the case. I did a similar thing with a 10 way but soldered it onto the
double sided PCB edge.

--
Best Regards:
Baron.