LOL- Sorry about that Stephan. I agree, anything more than one or 2 by hand is not practical this way. If it gets to that, I have the luxery of sending boards down to or rework group to be done. Only problem is a lot of times they come back and I still have to touch them up by hand - Arrrrrgh! > > Shhhh, shhhh, don't say that! > I've been preparing them the last few weeks that we _need_ more SMD > tools, you can't go around saying things like "not necessary" ;-) > > I know it can be done with the tools you mentioned (i have pretty much > the same list just other brands), but regularly we need like 5 to 10 > prototypes at once and it's more and more SMD parts every time, and > they get smaller too. That can easily be a day or more of soldering. > At least a pneumatic paste dispenser is a must, applying it by hand > with the syringe is hard work if you try doing it for a long time. And > the hot air gun is really not ideal for reflow either. > > > ST > > On 8/21/07, pgdion1 <pgdion1@...> wrote: > > I've been doing rework for years and although hot air is nice, it's > > not necessary for small builds and proto-types. I use a temp > > controlled Weller iron and I have an older Pace rework (de-soldering) > > station that still comes in handy for SMD (sucks pretty much all the > > solder off the pads). Some solder wick is also handy to clean things > > up. A soldering tweezer tip (Like Talon) is also very useful. Brand of > > iron is pure personal preference. We have Met-Cals and Wellers at my > > work. Some guys swear by Met-Cal, I prefer Weller (as do some others) > > and hence it's what I have at home.A decent heat gun (Ungar, with the > > small nozzles) & flux is the only other items in my arsenal. For > > inspection I have a good magnifying glass and several Jewelers Loupes > > (5x, 10x, 20x). That with good lighting is all I need. A Micro-scope > > would be a nice plus though. > > >
Message
Re: setting up for smd
2007-08-22 by pgdion1
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