I seem to recall using circuit resin cleaner to get the oil off after. I heated the oil in a shallow pan, and put them in and out with hot dog tongs. These boards did not have surface mount parts. I don't recall any problem with parts falling off, we kept the boards parts up in and out of the oil. Stefan Trethan wrote: > but how did you get the oil off after? > i mean this sounds very messy... > > but a interesting idea to use another "heating medium" than air. > may be much faster and shorter heating time in oil because it stores more > heat / doesn't insulate so well... > > you put the circuit in when it was already hot? > but how to get it out not causing the parts to slide around (ok not so much > a problem with through hole....) > > st > > On Sat, 20 Sep 2003 10:07:33 -0400, Don Perry <mojo@...> wrote: > > > Reading your letter, I thought I might throw this out to you, years ago > > I used to reflow poor solder cards by heating peanut oil, yes peanut > > oil, in a flat pan. It can take the heat and melt solder. I have not > > done it a long time. But it worked. I am sure you need to take > > cautions for burns and fires. I use my grill outside for questionable > > oven/wife work. Sounds a bit strange but it beat chasing intermittent > > cold solder bugs. The cards had pins not flow through holes, TTL and > > RTL ckts. Just a thought. - Perry > > > > Markus Zingg wrote: > > > >> >I hope this link takes -- it's a pic of the toaster oven PCB in > >> >progress -- as you can see one of the 2k resistors slid a little bit > >> >when I removed the board "hot" from the oven. > >> >http://www.diyaudio.com/forums/showthread.php? > >> >s=&threadid=13023&perpage=15&highlight=toaster&pagenumber=2 > >> > >> Thanks for the link - looks good :) Do you also have a picture of the > >> oven itself? I'm asking cause the oven you use is likely not to be > >> available where I live (europe) but a similar one might would do. > >> > >> Then, is there a time saving in doing it this way? I could imagine > >> that placing the parts onto solder paste and especially moving the pcb > >> > >> into the oven might be terribly critical - no? So far I hand soldered > >> all my boards but I agree that it takes quite a while so I'm of course > >> > >> interested in potential improvements. > >> > >> Markus > >> > >> Yahoo! Groups Sponsor > > ADVERTISEMENT > > [click here] > > > >> > >> Be sure to visit the group home and check for new Bookmarks and files: > >> > >> http://groups.yahoo.com/group/Homebrew_PCBs > >> > >> To unsubscribe from this group, send an email to: > >> Homebrew_PCBs-unsubscribe@yahoogroups.com > >> > >> > >> > >> Your use of Yahoo! Groups is subject to the Yahoo! Terms of Service. > > > > > > [Non-text portions of this message have been removed] > > > > > > > > > > Be sure to visit the group home and check for new Bookmarks and files: > > http://groups.yahoo.com/group/Homebrew_PCBs > > > > To unsubscribe from this group, send an email to: > > Homebrew_PCBs-unsubscribe@yahoogroups.com > > > > > > > > Your use of Yahoo! Groups is subject to http://docs.yahoo.com/info/terms/ > > > > > > > > > Be sure to visit the group home and check for new Bookmarks and files: > http://groups.yahoo.com/group/Homebrew_PCBs > > To unsubscribe from this group, send an email to: > Homebrew_PCBs-unsubscribe@yahoogroups.com > > > > Your use of Yahoo! Groups is subject to http://docs.yahoo.com/info/terms/
Message
Re: [Homebrew_PCBs] Re: Toaster oven reflow for SMT devices
2003-09-26 by Don Perry
Attachments
- No local attachments were found for this message.