Re: [CAD_CAM_EDM_DRO] Re: It's Alive!

Mariss Do you assembly for others or just for your own products?
if you do what are your charges
Thanks Jim

----- Original Message -----
From: <mariss92705@...>
To: <CAD_CAM_EDM_DRO@yahoogroups.com>
Sent: Tuesday, February 25, 2003 12:52 PM
Subject: [CAD_CAM_EDM_DRO] Re: It's Alive!


> John,
>
> 1) Manual stencil machine. No point for an automated one because this
> step takes only 30 seconds.
>
> 2) I use top side SMT only. Doing top and bottom triples the process
> time (top mount, reflow, glue dispense, bottom mount, reflow again).
> Nightmares are made that way; parts falling off in the oven, a "glue
> accident" in the machine, etc.
>
> 3) The oven is an Essemtec 6 zone IR oven, (preheat, soak and reflow
> both top and bottom). About 3 minutes from the goezinta to the
> goezouta.
>
> The machime is an FS-730. It was built in '99, has less than 1,000
> hrs total time, clean as a whistle and sold for $180K then. Thanks to
> the dot.com collapse they can be had for $30K with feeders today.
>
> It boots in WIN95 but runs in DOS. I'm learning its idiosyncrasies
> while suppresing mine that applied to dealing with Ursulla.
>
> Mariss
>
>
>
> --- In CAD_CAM_EDM_DRO@yahoogroups.com, "jmkasunich
> <jmkasunich@y...>" <jmkasunich@y...> wrote:
> >
> > Cool! I'm curious what your process flow is like. Do you
> > use vapor phase, IR, etc, for SMT reflow? what about the
> > bottom side (are there SMT parts on the bottom?)
> >
> > Where I work, the process for most boards is stencil solder
> > paste on top, place top side SMT, reflow top side (IR),
> > then flip, stencil glue on bottom, place bottom SMT, cure
> > glue (also IR), flip again, place thru-hole, then wave
> > solder thru-hole and bottom SMT. Some higher density
> > boards that are 100% SMT get double sided reflow instead
> > of wave.
> >
> > I find the whole process amazing, and high speed pick
> > and place machines are fun to watch. I rarely get to see
> > it though, since I work in Cleveland OH and my boards
> > are usually built at a plant north of Mukwaukee WI.
> >
> > John Kasunich
>
>
> Addresses:
> FAQ: http://www.ktmarketing.com/faq.html
> FILES: http://groups.yahoo.com/group/CAD_CAM_EDM_DRO/files/
> Post Messages: CAD_CAM_EDM_DRO@yahoogroups.com
>
> Subscribe: CAD_CAM_EDM_DRO-subscribe@yahoogroups.com
> Unsubscribe: CAD_CAM_EDM_DRO-unsubscribe@yahoogroups.com
> List owner: CAD_CAM_EDM_DRO-owner@yahoogroups.com, wanliker@...,
timg@...
> Moderator: pentam@... indigo_red@... [Moderators]
> URL to this group: http://groups.yahoo.com/group/CAD_CAM_EDM_DRO
>
> OFF Topic POSTS: General Machining
> If you wish to post on unlimited OT subjects goto:
aol://5863:126/rec.crafts.metalworking or go thru Google.com to reach it if
you have trouble.
> http://www.metalworking.com/news_servers.html
>
> http://groups.yahoo.com/group/jobshophomeshop I consider this to be a
sister site to the CCED group, as many of the same members are there, for OT
subjects, that are not allowed on the CCED list.
>
> NOTICE: ALL POSTINGS TO THIS GROUP BECOME PUBLIC DOMAIN BY POSTING THEM.
DON'T POST IF YOU CAN NOT ACCEPT THIS.....NO EXCEPTIONS........
> bill
> List Mom
> List Owner
>
>
>
> Your use of Yahoo! Groups is subject to http://docs.yahoo.com/info/terms/
>
>
>