Electronics Forum | Thu Jun 28 09:40:49 EDT 2012 | austinpeterman
We just stepped into the inline wash world with a techical devices new clean galaxy plus. We are noticing a significant amount of foaming when washing our boards after selective solder. One theory is that the water soluble flux used is not being cu
Electronics Forum | Thu Jun 28 17:14:44 EDT 2012 | davef
Here's a pretty good thread from the fine SMTnet Archives on water wash foaming http://www.smtnet.com/Forums/Index.cfm?CFApp=1&Message_ID=50623
Electronics Forum | Thu Jun 28 16:02:05 EDT 2012 | allwave
We had a similar problem with foam in our inline cleaner (TD). The problem were the solder paste flux residues. Boards went straight from SMT to Wave process and then washed. Anyway we changed the solder paste and problem solved. Are you using saponi
Electronics Forum | Mon Jul 02 18:40:33 EDT 2012 | joeherz
We used to have a Nuclean 324 that was running closed loop with a DI water recirc system. We also had problems with foaming that was solved with a relatively simple fix. We bypassed the final rinse solenoid so that it was always running. This allo
Electronics Forum | Tue Feb 01 03:28:49 EST 2000 | Guo Yingchun
Hi, I want to use ultrasonic machine to remove solder paste from PCB. Can I use water as the solvent? Will it do harm to the PCB? Thanks in advance.
Electronics Forum | Thu Mar 18 18:36:28 EST 2004 | jj
Thanks, Dave Is that for cleaning component or PCB ? JJ
Electronics Forum | Wed May 30 18:28:13 EDT 2007 | russ
you are sure that noone has brought in any alcohol based no clean flux? R
Electronics Forum | Tue May 29 15:10:30 EDT 2007 | realchunks
Hi Jerry, Sounds like the white stuff is flux. I doubt if 4 pcb mfgers could be undercuring all at once. Good point though. Since you changed washers and now have the problem - it's your new washer. Can you bring back the old one to make sure?
Electronics Forum | Thu May 24 16:59:49 EDT 2007 | pjc
Is wash temp the same in the new washer? I'm thinking that may be a clue. Are you sure nothing else changed, like water supply at all- conditioner? Do you have a supply of DI water?
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