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 | 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 | Fri May 25 13:24:38 EDT 2007 | mfgengr
I had a similar problem a long time ago. I eventually traced the problem to undercured solder resist. The flux was reacting with what was left of the uncured resist, leaving a white residue. We could not even hand scrub this off. The solution was to
Electronics Forum | Thu May 24 23:07:55 EDT 2007 | colormaker
Our filter removes all contaminates authou it takes forever to evaporate 20 gallons it work quite well. I will check with local water supply for mineral analysis. Will a water softener remove the minerals that may be causing the problem ?
Electronics Forum | Fri May 25 13:32:26 EDT 2007 | colormaker
We have 4 diffrent boards that have the problem. The boards have two diffrent suppliers. I dont think this is the case. I more leaning toward not enough rinse cycles in the washer. Jerry
Electronics Forum | Wed Aug 27 09:31:25 EDT 2003 | caldon
BMAN.........Consider yourself shot down. unfortunatly (for you) Mike and Ken are right on the mark. The root of your problem is the current system you have for stencil wash...Explain what Maintenance headaches you have. Many moons ago I had a Smar
Electronics Forum | Thu May 24 14:44:42 EDT 2007 | colormaker
We use a washer soluable solder flux for our solder wave. We then wash the boards in a dishwasher. We have done it this way for years without problems. We just got a new dishwasher and now we get residue on the solder (white marks) Anyone know of wh
Electronics Forum | Fri Mar 19 14:31:43 EST 2004 | pdeuel
DI water de-ionized water is an easier way to ensure washing free of contaminates. De-ionized water has a characteristic resistance of 18 meg ohms per cm squared. Resistance monitors can be installed in cascading wash systems that would monitor conta
