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July 2007

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Subject:
From:
"Stadem, Richard D." <[log in to unmask]>
Reply To:
TechNet E-Mail Forum <[log in to unmask]>, Stadem, Richard D.
Date:
Tue, 10 Jul 2007 12:48:54 -0500
Content-Type:
text/plain
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text/plain (151 lines)
Can you describe what model of solder paste printer you have, and how
bad were the cuts? Were they minor finger cuts or were they fairly deep
cuts?

-----Original Message-----
From: TechNet [mailto:[log in to unmask]] On Behalf Of McGlaughlin, Jeffrey
A
Sent: Tuesday, July 10, 2007 11:58 AM
To: [log in to unmask]
Subject: Re: [TN] Injury by array

Ian -

I have not been able to identify any differences between this part and
any other part being run on the line. We have no copper in the rail to
expose, the provided offending panels are straight and smooth, no signs
of router chatter or tooth. As to the reason this is a design issue - I
was not invited to the meeting when they were determining cause and
fault - Such is life. 

Jeffrey McGlaughlin, CID
Engineering Designer EAS
4-2-50 room
x-7582 Phone
(614)458-7582 Fax 


-----Original Message-----
From: TechNet [mailto:[log in to unmask]] On Behalf Of Ian Hanna
Sent: Tuesday, July 10, 2007 9:59 AM
To: [log in to unmask]
Subject: Re: [TN] Injury by array

What makes this board different from the 'safe' designs and how was it
established that this is a 'design' issue?  Assuming that operator
handling is unchanged.  Which part of the board is causing the injury?
Ian






-----Original Message-----
From: TechNet [mailto:[log in to unmask]] On Behalf Of McGlaughlin, Jeffrey
A
Sent: Tuesday, July 10, 2007 4:23 AM
To: [log in to unmask]
Subject: [TN] Injury by array

Oh wise and wonderful members of tech net -

We have had to incidents in the past six months where assemblers have
been cut while handling assembly arrays (2-up panels) for one of our
products. This has elevated the issue to "Panic Mode" due to the
involvement of EHS&Q (environmental health, safety and quality). As the
designer of the array I have been given ownership of the issue and am
task with resolving it.  After 20+years of handling boards and arrays I
have never been cut, so I am unsure as to what if any corrective action
can be taken to prevent future injuries.

The specifics on the arrays -
10.5" [267mm] x 12.0" [305mm] x 0.062" [1.6mm] thick
2 - up for 4.7"[119.3mm] x 9.2" [233.6mm] PCB Minimum rail 0.38"[9.5mm]
Tab Route and Retain (mouse bite) Injuries occurred during loading of
the solder printer and during slide line operations for post reflow
assembly. 

Any suggestions on what to tell our production group?

Jeffrey McGlaughlin, CID
Engineering Designer
Battelle
505 King Avenue
Columbus Ohio 43201-2693
(614)424-7582 Phone
(614)458-7582 Fax
PS Don't you just love all those  management buzzwords (underlined.)
>;-D

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