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September 2000

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Subject:
From:
"Stephen R. Gregory" <[log in to unmask]>
Reply To:
TechNet E-Mail Forum.
Date:
Wed, 20 Sep 2000 12:15:54 EDT
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In a message dated 09/20/2000 10:37:33 AM Central Daylight Time,
[log in to unmask] writes:

> Help everyone!!!!  This is a basic question, but I can't seem to find the
>  paperwork to back this up.  In the past, every PCB that I have ever dealt
>  with has had the lead tooling hole centered at 5mm from the front edge and
>  5mm from the side and this has worked with all machines that required
>  tooling pins.  Is this an IPC or a SMEMA standard and/or where is this
>  documented.  We have just been told that a piece of equipment that we are
>  thinking of purchasing requires the tooling hole a minimum of 5.5mm from
>  the edge.  This would obviously goof up things with existing machines since
>  the tooling hole location is different.
>
>  Hope this makes sense, feel free to call if you have questions.
>
>  Ed Holton
>  Manufacturing Engineer and Group Leader
>  Hella Electronics
>  Telephone (734) 414-0944
>  Fax (734) 414-0941

Hi Ed!

I don't think it really is a standard, but because most of the pick-and-place
equipment I've ever worked with requires a 5mm X 5mm hole if you're using
tooling pins...all Japanese machines...FUJI, Philips (aka Yamaha), and
Zevatech (aka JUKI).

-Steve Gregory-

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