i have tried this paste and air method also and as i wrote i gave it up and found hand soldering with an iron to be easier, faster and better
plus paste goes bad so quickly and if you refrigerate it you need to let it warm up but if there are several parts it may start to pay off to use the air/paste method Dennis Saputelli _______________________________________________________________________ CONTACT INFORMATION: _______________________________________________________________________ Integrated Controls, Inc. Tel: 415-647-0480 EXT 107 2851 21st Street Fax: 415-647-3003 San Francisco, CA 94110 www.integratedcontrolsinc.com _______________________________________________________________________ NOTE! TO PASS OUR SPAM FILTER PUT THE FOLLOWING IN SUBJECT LINE: I.C.I. Phillip Stevens wrote: > I have a Madell 850 which I think is similar to the Hakko. > They are running a moving sale on them right now: > http://www.madelltech.com/Movingsale.html > > They have some low cost ovens too. > > Related to this has anyone tried one of the toaster ovens? :P > > I experimented with some prototype stencils on a 208 pin QFP, > but ended up with solder balls between the pads and shorts under > the part between the pins. > > My technique now is to tack the part down on the pads, making sure > it is aligned. Then to run a thin bead of solder paste (OK dispensing > gun and one of the green size nozzles) just in front of the row of pins > I want to solder. Then run the hot air gun slowly down the row of pins > and reflow the solder letting the hot air station push the solder > paste towards the pins. Then solder wick up any excess solder. Touch > up any pins that didn't pick up enough solder. > > > > > > Thursday, March 22, 2007, 9:38:48 PM, you wrote: > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > ____________________________________________________________ > You are subscribed to the PEDA discussion forum > > To Post messages: > mailto:[email protected] > > Unsubscribe and Other Options: > http://techservinc.com/mailman/listinfo/peda_techservinc.com > > Browse or Search Old Archives (2001-2004): > http://www.mail-archive.com/[email protected] > > Browse or Search Current Archives (2004-Current): > http://www.mail-archive.com/[email protected] > > ____________________________________________________________ You are subscribed to the PEDA discussion forum To Post messages: mailto:[email protected] Unsubscribe and Other Options: http://techservinc.com/mailman/listinfo/peda_techservinc.com Browse or Search Old Archives (2001-2004): http://www.mail-archive.com/[email protected] Browse or Search Current Archives (2004-Current): http://www.mail-archive.com/[email protected]
