Is there a way to make dowel pins show in a ground D-2 die part that has two
5/32" pins that blend in perfectly? I use the random punch method now.
I've tried holding them up to the light to no avail.

You could use a dye-penetrant spray like those sold for finding cracks
in wire terminals and other fittings. Or try mixing a little layout
dye into some penetrating oil and coating the part. Let it sit for a
while, then wipe off. The outlines of the pins should show up.
Regards,

Bob

"Tom Gardner" wrote in message
om...
Is there a way to make dowel pins show in a ground D-2 die part that has
two 5/32" pins that blend in perfectly? I use the random punch method
now. I've tried holding them up to the light to no avail.

Tom,
Try this stuff (magnetic particle bath)
http://cgi.ebay.com/ws/eBayISAPI.dll...9140 739&rd=1

Dan

Can you wire wheel the surface? Might make them show up better than putting
dings all over the place until you find them.

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"Tom Gardner" wrote in message
om...
Is there a way to make dowel pins show in a ground D-2 die part that has
two 5/32" pins that blend in perfectly? I use the random punch method
now. I've tried holding them up to the light to no avail.

A company called "Magnaflux" ?used to make equipment for checking cylinder
heads for cracks. They had a powerful magnet that latched onto the head. A
little puff pack then was used to spray powdered iron in the suspect area.
The powder built up around any discontinuity in the magnetic lines of force,
and showed up cracks even when they weren't visible otherwise.
Tom

"Tom Gardner" wrote in message
om...
Is there a way to make dowel pins show in a ground D-2 die part that has
two
5/32" pins that blend in perfectly? I use the random punch method now.
I've tried holding them up to the light to no avail.

On Sun, 23 Jan 2005 03:45:47 GMT, "Tom Gardner"
wrote:

Is there a way to make dowel pins show in a ground D-2 die part that has two
5/32" pins that blend in perfectly? I use the random punch method now.
I've tried holding them up to the light to no avail.


Nitric acid may do the job.

Gunner

"At the core of liberalism is the spoiled child -
miserable, as all spoiled children are, unsatisfied,
demanding, ill-disciplined, despotic and useless.
Liberalism is a philosphy of sniveling brats." -- P.J. O'Rourke

"Tom Miller" wrote in
:

A company called "Magnaflux" ?used to make equipment for checking
cylinder heads for cracks. They had a powerful magnet that latched
onto the head. A little puff pack then was used to spray powdered iron
in the suspect area. The powder built up around any discontinuity in
the magnetic lines of force, and showed up cracks even when they
weren't visible otherwise. Tom

"Tom Gardner" wrote in message
om...
Is there a way to make dowel pins show in a ground D-2 die part that
has
two
5/32" pins that blend in perfectly? I use the random punch method
now. I've tried holding them up to the light to no avail.





A speaker magnet and grinding dust will do the same job



--
Anthony

You can't 'idiot proof' anything....every time you try, they just make
better idiots.

Remove sp to reply via email

On Sun, 23 Jan 2005 18:08:27 +1100, the inscrutable "Tom Miller"
spake:

A company called "Magnaflux" ?used to make equipment for checking cylinder
heads for cracks. They had a powerful magnet that latched onto the head. A
little puff pack then was used to spray powdered iron in the suspect area.
The powder built up around any discontinuity in the magnetic lines of force,
and showed up cracks even when they weren't visible otherwise.

I much preferred the dye magnaflux, SpotCheck.


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Maybe the stuff used to read obliterated serial numbers, such as
http://www.crime-scene.com/ecpi/69XX.shtml ?

Try use a dye penatration spray. The outline of the dowel will show up
as a small crack would. Sometimes a simple spray with penatrating oil,
let sit for a minute or so, then wipe the surface show the outline.