Dewey
I use Siemens (Siplace) machines and get a fall out rate of chip
components of an of about 0.5%.
But have had the odd pesky ones that hover about 2%.
Stephen Bonaccorsi
> ----------
> From: Stephen R. Gregory[SMTP:[log in to unmask]]
> Reply To: [log in to unmask]
> Sent: Wednesday 07 April 1999 15:47
> To: [log in to unmask]
> Subject: Re: [TN] SMT Component Fall Out Rate
>
> In a message dated 4/6/99 5:15:17 PM Pacific Daylight Time,
> [log in to unmask] writes:
>
> << Dewey,
>
> I think within 2% fall out is ok for any chip shooter. I have worked
> with
> Mydata TP9-UFP & Fuji CP6 & this is good approximation for chip
> component
> fallout.
>
> Ashok Tiwari
> SMT Engineer
>
> > ----------
> > From: Access Control[SMTP:[log in to unmask]]
> > Reply To: TechNet E-Mail Forum.;Access Control
> > Sent: Tuesday, April 06, 1999 11:19 AM
> > To: [log in to unmask]
> > Subject: [TN] SMT Component Fall Out Rate
> >
> > Greetings,
> >
> > For all the SMT assemblers out there, what are your average fall
> out on
> > std. components, ie. 1206, 1210, 2010, sot-23, melf, minimelf.
> > I have 2 mydata machines and they run well under 2%. I wonder if 2%
> or
> > less than 2% fall-out is too high.
> >
> > Thanks in advance for any input.
> >
> > Dewey >>
>
> Hi Dewey,
>
> I agree with Ashok, 2% ain't bad. Actually, when we quote
> supplying
> attrition with the kits to our customers, I like to see 3%...but
> sometimes
> the buyers who supply us material think they're doing a good job when
> they
> give us exact quantities...1000 boards, 1000 parts....sheesh...
> What really kills me is when they give us the 1000 parts in 100 piece
> strips...fun stuff there...
>
> -Steve Gregory-
>
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