Tom,
The process of plating a hole does not care about the shape. The hole can
be round, square, triangular, elliptical or a slot. It is a liquid process
that is going to "stick" to whatever surface is presented. Any fab house
should be able to plate any given hole.
We regularly have slots which are being plated.
Regards,
Phil Nutting
Manufacturing Engineer
Kaiser Systems, Inc.
-----Original Message-----
From: Tom Martin [mailto:[log in to unmask]]
Sent: Monday, June 19, 2000 4:49 PM
To: [log in to unmask]
Subject: Re: [TN] oval pin into oval hole
Just curious Paul,
Do you have access to PCB fabricators who can
plate punched slots and holes? I heard of
this being done on one occasion but would
be pleasantly amazed to find out there is a fab
house who's figured out how to do this on a regular
basis. Any info would be appreciated.
Thanks,
Tom Martin
Date: Mon, 19 Jun 2000 08:32:40 +1000
From: Paul Klasek <[log in to unmask]>
Subject: Re: oval pin into oval hole
MIME-Version: 1.0
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-----Original Message-----
Or a die punch , with large volumes routing is rather slow and expensive,
also the die can solve more intricate openings .
Relatively easy to keep horizontal concave ground carbide tips sharp .
paul
-----Original Message-----
From: Phil Nutting [mailto:[log in to unmask]]
Sent: Saturday, 17 June 2000 4:57
To: [log in to unmask]
Subject: Re: [TN] oval pin into oval hole
Richard,
We have several boards that we had to design plated through slots for
capacitors that either had large rectangular tabs or multiple wires going
to
the same hole. We used the same clearance rules that we normally would for
standard round holes. Depending on your board vendor these slots might be
created by drilling a series of holes or by routing.
Hope this helps,
Phil Nutting
Manufacturing Engineer
Kaiser Systems, Inc.
-----Original Message-----
From: Richard Hawkins [mailto:[log in to unmask]]
Sent: Friday, June 16, 2000 2:15 PM
To: [log in to unmask]
Subject: [TN] oval pin into oval hole
Hello all,
I am having trouble finding design specs for an oval component lead going
into an oval hole. The component is an indictor that is about 25mm in
diameter and the lead is made by soldering two 16ga wires together. The
shape of the lead is more like a rectangle with a full radius at the short
sides than an oval and the hole in the pcb is the same shape.
My task is to evaluate a design, that is already in production, to see if
it
should be changed and make recommendations if so. However, I have not been
able to find anything in my IPC manuals that approaches this situation.
My question then, is what guidelines for layout should I use?
Any help will be appreciated.
Richard Hawkins
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