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November 2005

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Subject:
From:
"Dehoyos, Ramon" <[log in to unmask]>
Reply To:
TechNet E-Mail Forum <[log in to unmask]>, Dehoyos, Ramon
Date:
Fri, 4 Nov 2005 11:33:45 -0500
Content-Type:
text/plain
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text/plain (85 lines)
	

        Hi Steve:
        It has to do with the part manufacturer not properly cleaning
the parts  prior to marking them. Some one is cutting corners. That is
the root cause of the problem. It is a pain to ensure the manufacturer
does a better job in marking the parts, but it would be a permanent
solution without introducing more process steps in your facility for
other people's laziness, or make them place labels such as Brady labels.
They stay on very well, even on dirty metal.
        Regards,
        Ramon

-----Original Message-----
From: TechNet [mailto:[log in to unmask]] On Behalf Of Steve Gregory
Sent: Friday, November 04, 2005 10:05 AM
To: [log in to unmask]
Subject: [TN] Component marking on metal parts...

Happy Friday All!

We've got a rather irritating problem here that is starting to become
more than just irritating, it's become a real issue. It has to do with
part marking.

J-STD-001 states:

9.2 Marking Assembly identification such as part numbers and serial
numbers shall remain legible (capable of being read and understood)
after all tests, cleaning and other processes to which the item is
subjected.

Additional markings (such as labels added during the manufacturing
process) should not obscure the original supplier's markings.

Individual component markings, reference designators and polarity
indicators should remain legible and components should be mounted in
such a manner that markings are visible.

The only parts that we have a problem with are metal parts such as
hybrids or DC\DC converters. We clean with Kyzen and have a real problem
with the markings coming off in wash. We try to protect them with a
piece of kapton tape, but that only works hit and miss.
Does anybody else have the same problem? What have you done to protect
the part markings?

Kind regards,

-Steve Gregory-
Senior Process Engineer
LaBarge Incorporated
Tulsa, Oklahoma
(918) 459-2285
(918) 459-2350 FAX
__________________________________________________________________
This message may contain information that is privileged and confidential
to LaBarge, Inc.  It is for use only by the individual or entity named
above.
If you are not the intended recipient, you may not copy, use or deliver
this message to anyone.  In such event, you should destroy the message
and kindly notify the sender by reply e-mail.

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