We do not do world wars on the EMC/PSTC listserv, just mentally-armed
insurrections and small civil uprisings. Subversion is encouraged.

Not certain if your end-product is intended for hazloc or will be applied in
a hazloc.

Hand-kitted silk screen does fine for my employer for the plates on small
runs of transformers and other custom units. Hand presses are not expensive,
can print a good image, but may take a little practice for your combo of
epoxy and metal. No inherent hazard other than paint fumes - use vented hood
to prevent formation of LEL 'mist'.

We have also used metal stamps for serial and other unique data with decent
results by using a jig to keep all of the punches in line. Depending on the
hazard class, the stamping process could be considered a spark source.

For use in hazloc, some epoxies do not cure to a non-flammable material. UL
and CSA have certified some paints for this environment.

Brian

-----Original Message-----
From: [email protected] [mailto:[email protected]]On Behalf Of N.Shani
Sent: Monday, September 12, 2011 6:46 AM
To: EMC PSTC
Subject: Metal name plate in-house 'printing'

Polling the group for ideas/opinions/experiences on the best or recommended
way to 'print' in-house metallic name plates for HazLoc. Feel free to
respond off-line if you think your idea/opinion/comment is going to start
WW3.

Ideally, a printer/engraver of some sort (like the printer used to make
polyester labels), that is reasonable priced, and can either just engrave
(material is SS or AL) or put down indelible (epoxy?) ink, silk-screen style
(I'm starting this query when thinking about 3D or colour laser printers:
they came down in price that it now makes sense to own one).

Presently, we order the name plates (SS) from an external source at a
considerable cost (per unit), not to mention lead time and the extreme
difficulties of making any changes. So the idea is to try and do it in-house
to give us flexibility to print on-demand.

A quick search shows places where these name plates can be ordered, but no
commercial printer/s.

Thanks,
N. Shani
Ottawa, ON

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