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August 2003

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Subject:
From:
"Cagle, James" <[log in to unmask]>
Reply To:
TechNet E-Mail Forum.
Date:
Fri, 29 Aug 2003 15:58:34 -0400
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What kind and how may errors are you finding now. I like after reflow. If
you do before, you can see reverse, missing ect., but you maybe chasing a
lot of misalignments that will straighten out in reflow. First articles at
start of job or reel changes. It depends a lot are what you are trying to
catch or have problems at which time you decide which is the most likely
place to catch them first.
>
>                                  James Cagle
> Tyco Printed Circuit Group-Hayward Division
>                       30000 Eigenbrodt Way
>                       Union City, CA  94587
>
>                       Direct: 510 476-5667
>                              Fax: 510 476-5601
>               email: [log in to unmask]
>


-----Original Message-----
From: Morse, Carrie [mailto:[log in to unmask]]
Sent: Friday, August 29, 2003 12:28 PM
To: [log in to unmask]
Subject: [TN] In-Line AOI


We are in the process of deciding whether or not to put our AOI's In-Line
either after the placement equipment and/or after the reflow oven.

We are a small lot/high mix facility.

We know the advantages of placing AOI in-line -- Catching problems before
they are reflowed, real-time feedback, etc, etc, etc.

BUT...we've have also heard some disadvantages such as the equipment
being a bottleneck, the need to have an additional operator to run the line,
and, programming time eating into capacity (even though off-line programming

packages are available) to name a few.

My feeling is that I'd love to have an in-line machine before and after the
reflow oven and I'd love to add more operators to man these machines.
But, I can't always get want I want -- I can try sometimes -- but I don't
always
get what I please!

So ... Just wondering what others think about this.

-Carrie

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