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From: Robert Baer on 27 Jan 2010 06:01
MooseFET wrote:
> On Jan 25, 6:28 pm, John Larkin
> <jjlar...(a)highNOTlandTHIStechnologyPART.com> wrote:
>> On Mon, 25 Jan 2010 18:14:31 -0800 (PST), MooseFET
>>
>> <kensm...(a)rahul.net> wrote:
>>> On Jan 25, 5:27 pm, John Larkin
>>> <jjlar...(a)highNOTlandTHIStechnologyPART.com> wrote:
>>>> Not is the web site silly fluff, the "contact" email address bounces.
>>>> I want to buy some tips for my SP200 soldering station, and they offer
>>>> me not a clue.
>>>> John
>>> Try looking on Digikey's web site. They sell the tips.
>>> http://www.okinternational.com/binary/catalogs/Metcal%20Catalogue%202...
>>> Gets you that catologue
>> Cool. Thanks. I couldn't find that on their web site.
>>
>> The SP200 series doesn't include fork tips for desoldering
>> surface-mount stuff, so I figure I can buy some wide chisel tips and
>> dremel them into forks.
>
> I desolder with just the conical tip. The trick is to have enough
> thermal mass
> of solder on the two side and a fast action with the iron back and
> forth between
> the two sides. It junks the part but that is ok on resistors.
>
> For things with many legs I use the heater that warms the board and
> the magic
> desoldering metal. It is slow but never harms the PCB material even
> doing a very
> big TQFP.
>
>> John
>
Magic desoldering metal?
Color me ignorant; what is that?
From: MooseFET on 27 Jan 2010 09:20
On Jan 27, 3:01 am, Robert Baer <robertb...(a)localnet.com> wrote:
> MooseFET wrote:
> > On Jan 25, 6:28 pm, John Larkin
> > <jjlar...(a)highNOTlandTHIStechnologyPART.com> wrote:
> >> On Mon, 25 Jan 2010 18:14:31 -0800 (PST), MooseFET
>
> >> <kensm...(a)rahul.net> wrote:
> >>> On Jan 25, 5:27 pm, John Larkin
> >>> <jjlar...(a)highNOTlandTHIStechnologyPART.com> wrote:
> >>>> Not is the web site silly fluff, the "contact" email address bounces..
> >>>> I want to buy some tips for my SP200 soldering station, and they offer
> >>>> me not a clue.
> >>>> John
> >>> Try looking on Digikey's web site.  They sell the tips.
> >>>http://www.okinternational.com/binary/catalogs/Metcal%20Catalogue%202....
> >>> Gets you that catologue
> >> Cool. Thanks. I couldn't find that on their web site.
>
> >> The SP200 series doesn't include fork tips for desoldering
> >> surface-mount stuff, so I figure I can buy some wide chisel tips and
> >> dremel them into forks.
>
> > I desolder with just the conical tip.  The trick is to have enough
> > thermal mass
> > of solder on the two side and a fast action with the iron back and
> > forth between
> > the two sides.  It junks the part but that is ok on resistors.
>
> > For things with many legs I use the heater that warms the board and
> > the magic
> > desoldering metal.  It is slow but never harms the PCB material even
> > doing a very
> > big TQFP.
>
> >> John
>
>    Magic desoldering metal?
>   Color me ignorant; what is that?

It is an alloy of indium that has a really low melting point. You put
it on a solder joint and it works like a solvent for the solder. It
soaks away the solder and the part comes right off.

http://www.zeph.com/lowmelt.htm

It works great


From: Robert Baer on 28 Jan 2010 05:53
MooseFET wrote:
> On Jan 27, 3:01 am, Robert Baer <robertb...(a)localnet.com> wrote:
>> MooseFET wrote:
>>> On Jan 25, 6:28 pm, John Larkin
>>> <jjlar...(a)highNOTlandTHIStechnologyPART.com> wrote:
>>>> On Mon, 25 Jan 2010 18:14:31 -0800 (PST), MooseFET
>>>> <kensm...(a)rahul.net> wrote:
>>>>> On Jan 25, 5:27 pm, John Larkin
>>>>> <jjlar...(a)highNOTlandTHIStechnologyPART.com> wrote:
>>>>>> Not is the web site silly fluff, the "contact" email address bounces.
>>>>>> I want to buy some tips for my SP200 soldering station, and they offer
>>>>>> me not a clue.
>>>>>> John
>>>>> Try looking on Digikey's web site. They sell the tips.
>>>>> http://www.okinternational.com/binary/catalogs/Metcal%20Catalogue%202...
>>>>> Gets you that catologue
>>>> Cool. Thanks. I couldn't find that on their web site.
>>>> The SP200 series doesn't include fork tips for desoldering
>>>> surface-mount stuff, so I figure I can buy some wide chisel tips and
>>>> dremel them into forks.
>>> I desolder with just the conical tip. The trick is to have enough
>>> thermal mass
>>> of solder on the two side and a fast action with the iron back and
>>> forth between
>>> the two sides. It junks the part but that is ok on resistors.
>>> For things with many legs I use the heater that warms the board and
>>> the magic
>>> desoldering metal. It is slow but never harms the PCB material even
>>> doing a very
>>> big TQFP.
>>>> John
>> Magic desoldering metal?
>> Color me ignorant; what is that?
>
> It is an alloy of indium that has a really low melting point. You put
> it on a solder joint and it works like a solvent for the solder. It
> soaks away the solder and the part comes right off.
>
> http://www.zeph.com/lowmelt.htm
>
> It works great
>
>
Thanks.
But expensive as all heck.
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