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 Posted: Feb 17, 2012 - 07:44 PM |
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Joined: Aug 26, 2008
Posts: 66
Location: Montreal, Canada
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The topic is pretty self explanatory.
I've started soldering surface mount parts recently and had to borrow a soldering torch from a friend.
I want to buy my own and looking for advises of what to look for and what to avoid.
Also, if you know of a good store, let me know.
Thanks! |
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Posted: Feb 17, 2012 - 07:57 PM |
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Joined: Nov 22, 2002
Posts: 12049
Location: Tangent, OR, USA
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It would help if you say something about where, on the surface of the earth, you are.
I assume that you mean "soldering iron" rather than "soldering torch" (the latter being a gas heated device with lots of flame).
Jim |
_________________
Jim Wagner
Oregon Research Electronics, Consulting Div.
Tangent, OR, USA
"The only thing standing between us and victory is defeat" P.G.Wodhouse in Wooster & Jeeves series
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Posted: Feb 17, 2012 - 08:16 PM |
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Joined: Aug 26, 2008
Posts: 66
Location: Montreal, Canada
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I'm in montreal / canada
I do mean the gas heated device, for melting solder paste and soldering lga packages |
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Posted: Feb 17, 2012 - 09:36 PM |
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Joined: Aug 22, 2008
Posts: 547
Location: Calgary, Canada
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For that kind of work, you'd usually use a hot air rework station, rather than a gas-heated device. Do you need it to be particularly portable?
Michael |
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Posted: Feb 17, 2012 - 09:42 PM |
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Joined: Aug 26, 2008
Posts: 66
Location: Montreal, Canada
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| I can live without portability. I know it is possible to use a regular heat gun but I'm not sure of how convenient it is for soldering since it affects a very large area at once |
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Posted: Feb 18, 2012 - 01:48 AM |
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Joined: Aug 22, 2008
Posts: 547
Location: Calgary, Canada
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What you're looking for isn't a regular heat gun. I use an Aoyue 852, similar to one of these:
http://www.sparkfun.com/products/10706
It's cheap, and provides temperature and flow control, with various nozzles that direct the air to a small part of your board.
Michael
Edit: I should probably add, if you're looking for something more directed than that, you're probably looking for a soldering iron. |
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Posted: Feb 18, 2012 - 05:44 AM |
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Joined: Jan 09, 2007
Posts: 1873
Location: Arlington, Texas, U.S.A.
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Handi3 wrote:
... for melting solder paste and soldering lga packages
Soldering a QFN is close; video contains a tool list. |
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Posted: Feb 18, 2012 - 07:03 AM |
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Joined: Mar 27, 2002
Posts: 853
Location: Athens, Hellas
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In order to avoid destroying the PCB or the components you will need a special tool with regulated air temperature and flow velocity. Of course, you realise that this cannot be done safely, or even done at all, using a blow torch or a regular heat gun.
What you will need is a hot air rework station, as suggested above, and some experience in order to use it effectively and safely. Additionally, since this line of tools is powerful enough (~1KW) to cause damages if mistreated, please read this summarising mini-guide before using such a tool. Keep in mind that the component manufacturers publish soldering profiles along with the datasheets for each of their sensitive parts.
-George |
_________________
I hope for nothing; I fear nothing; I am free! (Nikos Kazantzakis)
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Posted: Feb 18, 2012 - 10:01 AM |
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Joined: Jul 02, 2005
Posts: 5942
Location: Melbourne, Australia
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Handi3,
I bought and use this one.
http://www.ebay.com/sch/i.html?_nkw=atten+858d
I paid about US$60 including shipping and am very happy with its performance. Visit David Jones's EEVBlog. He has a video review of it.
Cheers,
Ross |
_________________
Ross McKenzie
ValuSoft
Melbourne Australia
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Posted: Feb 18, 2012 - 10:35 PM |
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Joined: Aug 26, 2008
Posts: 66
Location: Montreal, Canada
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Thanks for the feedback!
Ross, that seems like an amazing unit for the price! I think I will go for that. It's seems most of them are designed to work at 220V, I hope I can find a 120V unit |
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Posted: Feb 19, 2012 - 12:11 AM |
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Joined: Nov 01, 2005
Posts: 6324
Location: Hilversum - the Netherlands
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Posted: Feb 19, 2012 - 07:25 PM |
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Joined: Aug 26, 2008
Posts: 66
Location: Montreal, Canada
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