Homebrew PCBs

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:
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> 
> 
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