Homebrew PCBs

Those are not proper SMD heat guns:
http://cgi.ebay.com/2-1-SMD-HOT-AIR-REWORK-SOLDERING-IRON-STATION-852D-/310315592931?pt=LH_DefaultDomain_0&hash=item4840402ce3

Henry

On Thu, Jul 7, 2011 at 8:32 PM, John Dammeyer <johnd@...>wrote:

> **
>
>
> Specifically which heat gun are you using?
>
> http://www.heat-guns.com/
>
> John
>
> Automation Artisans Inc.
> http://www.autoartisans.com/ELS/
> Ph. 1 250 544 4950
>
> > -----Original Message-----
> > From: Homebrew_PCBs@yahoogroups.com
> > [mailto:Homebrew_PCBs@yahoogroups.com] On Behalf Of Henry Liu
> > Sent: Thursday, July 07, 2011 7:10 PM
> > To: Homebrew_PCBs@yahoogroups.com
>
> > Subject: Re: [Homebrew_PCBs] Re: Removing SMDs
> >
> >
> > I just squirt solder flux out of the syringe on all the pins,
> > turn up the
> > air gun to high and shoot hot air from the top and pick the
> > part up with
> > tweezers 20secs or so later. Hot air heats all the pads up
> > at once. Solder
> > flux isolates the area affected by the hot air. It's really
> > simple and a
> > hot air gun is around $100.
> >
> > A lot of smd parts have pads underneath such as thermal pads
> > and qfn chips
> > and these are also no problem with a hot air gun.
> > Henry
> >
> > On Thu, Jul 7, 2011 at 6:45 PM, Donald H Locker
> > <dhlocker@...>wrote:
> >
> > > **
> > >
> > >
> > > I "recently" removed a 144-pin LQFP with XActo knife, iron
> > and braid. If
> > > you have pics or a video of removing such a critter with
> > iron and hot air in
> > > 20 sec, I'd live to see it. I spend the better part of 15
> > minutes on that
> > > part.
> > >
> > > Donald.
> > > --
> > > *Plain Text* email -- it's an accessibility issue
> > > () no proprietary attachments; no html mail
> > > /\ ascii ribbon campaign - <www.asciiribbon.org>
> > >
> > >
> > > ----- Original Message -----
> > > > From: "Henry Liu" <henryjliu@...>
> > > > To: "Homebrew PCBs" <Homebrew_PCBs@yahoogroups.com>
> > > > Sent: Thursday, July 7, 2011 8:38:54 PM
> > > > Subject: Re: [Homebrew_PCBs] Re: Removing SMDs
> > > > Hot air gun/soldering station combo is around $100 new
> > off ebay and is
> > > > probably the best solution.
> > > >
> > > > Using hot air and flux in syringe I can remove most SMD components
> > > > including 200 pin qpfs in 20sec or less.
> > > >
> > > > Low melt solder is ok except it's still easier to use the hot air
> > > > which has no cleanup.
> > > >
> > > > Henry
> > > >
> > > > On Thu, Jul 7, 2011 at 1:27 PM, Mark Mickelsen
> > <msmickelsen@...>
> > > > wrote:
> > > > > Could you please post a link to the picture of the
> > "forked soldering
> > > > > iron
> > > > > tip". I looked on site, but didn't see anything with the name
> > > > > "Andrew" or
> > > > > any cover pictures that looked like it. I'm probably
> > blind, but I'd
> > > > > like to
> > > > > see the pictures.
> > > > > Thanks,
> > > > > Mark
> > > > >
> > > > > On Thu, Jul 7, 2011 at 8:24 AM, Andrew
> > <a_wake@...> wrote:
> > > > >
> > > > >> **
> > > > >>
> > > > >>
> > > > >> Two or three months ago I posted a picture of a
> > "forked" soldering
> > > > >> iron tip
> > > > >> that I made -- I was asking if I had come up with
> > something new, or
> > > > >> merely
> > > > >> re-invented the wheel. Not surprisingly, it was the
> > latter ... but
> > > > >> all the
> > > > >> same, it is a GREAT tool for removing SMD devices. The only
> > > > >> downside is that
> > > > >> it is made to fit one particular profile. Since I have
> > the copper
> > > > >> and the
> > > > >> machine shop, I'll probably eventually make a few
> > other profiles to
> > > > >> fit the
> > > > >> other SMD components that I tend to use.
> > > > >>
> > > > >>
> > > > >> --- In Homebrew_PCBs@yahoogroups.com, "Peter Leybourne"
> > > > >> <peter.ley08@...>
> > > > >> wrote:
> > > > >> >
> > > > >> > Somebody may have mentioned this.....
> > > > >> > I saw somewhere an article with a soldering iron
> > 'tip' extension
> > > > >> > made in
> > > > >> the
> > > > >> > shape of a two pronged fork. Several extensions were made as
> > > > >> > needed for
> > > > >> > different size/shape components.
> > > > >> >
> > > > >> > Peter
> > > > >> > MM5PSL
> > > > >> >
> > > > >>
> > > > >>
> > > > >>
> > > > >
> > > > >
> > > > > [Non-text portions of this message have been removed]
> > > > >
> > > > >
> > > > >
> > > > > ------------------------------------
> > > > >
> > > > > Be sure to visit the group home and check for new
> > Links, Files, and
> > > > > Photos:
> > > > > http://groups.yahoo.com/group/Homebrew_PCBsYahoo! Groups Links
> > > > >
> > > > >
> > > > >
> > > > >
> > > >
> > > >
> > > > ------------------------------------
> > > >
> > > > Be sure to visit the group home and check for new Links,
> > Files, and
> > > > Photos:
> > > > http://groups.yahoo.com/group/Homebrew_PCBsYahoo! Groups Links
> > > >
> > > >
> > > >
> > >
> > >
> > >
> >
> >
> > [Non-text portions of this message have been removed]
> >
> >
> >
> > ------------------------------------
> >
> > Be sure to visit the group home and check for new Links,
> > Files, and Photos:
> > http://groups.yahoo.com/group/Homebrew_PCBsYahoo! Groups Links
> >
> >
> >
> >
> >
>
>  
>


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