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July 2007

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Subject:
From:
"Rueda, Ernesto" <[log in to unmask]>
Reply To:
TechNet E-Mail Forum <[log in to unmask]>, Rueda, Ernesto
Date:
Tue, 10 Jul 2007 12:42:48 -0700
Content-Type:
text/plain
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text/plain (205 lines)
Richard -

I had the experience before that operator'




Richard -



I had the experience before that operator's finger had been cut by not

following safety procedures on setting up the solder paste printer. Some

printers have board clamping foil that is sharp that operators should be

aware not to touch.



Ernesto V. Rueda

SMT Process Engineer

Pelco, Inc.

3500 Pelco Way

Clovis, CA 93612

559-292-1981





-----Original Message-----

From: TechNet [mailto:[log in to unmask]] On Behalf Of Stadem, Richard D.

Sent: Tuesday, July 10, 2007 10:49 AM

To: [log in to unmask]

Subject: Re: [TN] Injury by array



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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