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'[EE]: Desoldering follow-up'
2006\09\02@183210 by Dave King

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Just as a follow up if anyone is interested.

I went and tried Vasile's idea of making a new tip for
my soldering iron. I couldn't find any of the solid wire
suggested (lightening rod stuff) and was walking out of
the store when I noticed brass rods in the plumbing section.
Perfect diameter and about 30cm (1 ft) long. I grabbed a
couple which should be enough for about 5-6 new ends.
I hammered the end flattish like a blade screwdriver.
Slotted the end with a hacksaw then filed it smooth.
Cut it and put it into the iron and turned it on.

It took a few minutes longer than normal to heat up
even cranked all the way up. I tinned it and dug out
a board with some smt's to play with. I made the slot
too big so I could only try it on some thick film
resistors. I grabbed it with my tweezers put the iron
over the part and within a half second it was off the
board! Very quick. I'm going to remake the tip so the
slot is sized for the smaller parts. Once I do that
I will be able to see if it works as well for the
normal smt stuff. If it works as slick for those then
it might save a lot more parts for reuse.

Dave

2006\09\03@035420 by Vasile Surducan

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On 9/3/06, Dave King <spam_OUTKingDWSTakeThisOuTspamshaw.ca> wrote:
> Just as a follow up if anyone is interested.
>
> I went and tried Vasile's idea of making a new tip for
> my soldering iron. I couldn't find any of the solid wire
> suggested (lightening rod stuff)

:)) You're living in the US, right ?
Don't worry, it's the country of choices indeed.


and was walking out of
{Quote hidden}

I wish you a lot of fun playing with SMDs.

Vasile

P.S. Maybe you're interested to know a way of desoldering TQFP parts
(for reusing) without hot air ?

2006\09\03@041057 by Dave King

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> :)) You're living in the US, right ?
> Don't worry, it's the country of choices indeed.
> I wish you a lot of fun playing with SMDs.
>
> Vasile
>
> P.S. Maybe you're interested to know a way of desoldering TQFP parts
> (for reusing) without hot air ?

I'm on the left coast of Canada in British Columbia. Its not the end of
the world but you can see that from here.

Unfortunately most of the specs for stuff I'm doing now is calling for
parts that are only smd. And every single part has to be ordered into
town. Makes for the odd headache when there is a time crunch.

So what's the secret about doing TQFP's?

Dave

2006\09\03@085018 by Tamas Rudnai

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Oh, Vancouver? As far as I know the weather is quite similar as in UK /
Ireland not like in Calgary where my uncle was living till he died. That
part of the world is one of the most beautiful place! Rockies, glaciers, BC
Ice Fields or what was the name? Really nice :-)

Tamas




On 03/09/06, Dave King <.....KingDWSKILLspamspam@spam@shaw.ca> wrote:
{Quote hidden}

> -

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