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May 1999

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Subject:
From:
Thomas DeSmit <[log in to unmask]>
Reply To:
TechNet E-Mail Forum.
Date:
Tue, 18 May 1999 13:20:47 -0500
Content-Type:
text/plain
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text/plain (103 lines)
Steve and Fikreta,

The company Steve is thinking of is Q-corporation located in Derby, Kansas
(just down the road from us here in Wichita).  Their phone number is listed
as (316)788-3746.

Thomas DeSmit
EDA Librarian/Sr. Engineering Tech.
IFR Americas, INC.

The opinions expressed are my own, and do not necessarily reflect those of
my employer.

> -----Original Message-----
> From: TechNet E-Mail Forum. [log in to unmask] [mailto:[log in to unmask]]
> Sent: Tuesday, May 18, 1999 2:06 PM
> To: [log in to unmask]
> Subject: Re: [TN] leads trimming
>
>
> In a message dated 5/18/99 10:26:20 AM Pacific Daylight Time,
> [log in to unmask] writes:
>
> << Hello there,
>  I have requirements to trim leads down to 0.035". Have anybody
> try to prep
> that short before wave. Board size is 4"x6" . I would like to know if any
> experience with machines that trim leads.
>
>
>  Fikreta Jusufagic
>  Mfg. Engineer
>  Sanmina Co, San Jose
>  Voice: (408) 954-5594
>  Fax: (408) 954-5277 >>
>
> Hi Fikreta!
>
> You sure that's TRIMMING leads? Sounds more like SHAVING them to
> me! (GRIN)
> That is some short puppies...
>
> I've had to do some boards like that before, only because of the poorly
> designed case that the board had to go in, if you didn't trim
> them that short
> things could short out on the case. But I did it after
> wave...there was a lot
> of radial components on the board that also had to stand-off the
> board, and
> if I trimmed them before wave they would fall over.
>
> As far as equipment, a good person to send a email to asking
> about that stuff
> is Paul Klasek ([log in to unmask]) if he doesn't read this email
> already...he's on the TechNet too. (HEY PAUL! Ya' there?) I remember him
> helping somebody out a while back using one of those
> teflon-coated, spinning
> blade deals...the name Q-Tron seems to stick in my mind for some reason?
>
> As far as I'm concerned, the only reason you should need to trim
> leads that
> short is because somebody wasn't thinking when they designed
> whatever product
> you're building. They shoulda left room for at least 60 to 100 thou..
> Trimming leads that short there's always the chance of fracturing
> the joints..
>
> But hey, I know how it is, you get whatever the customer gives you...you
> being at Sanmina, a contract assembly company like me, you do the
> same thing
> I hafta do too...
>
> -Steve Gregory-
>
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