Electronics Forum | Mon Jun 19 09:47:23 EDT 2017 | georgetruitt
You have a lot to think about! What does the flux manufacturer recommend as far as specifics like water temp or pressure? Do they recommend high temp di-water a detergent or saponifier? Do you currently have a cleaning machine, batch cleaner or inl
Electronics Forum | Thu Oct 05 12:50:48 EDT 2017 | davef
Why not toss a handful of the component that you're concerned about into your cleaner, clean them according to your board spec and the evaluate what happened?
Electronics Forum | Thu Oct 05 10:25:13 EDT 2017 | davef
Consider ... * National Physical Laboratory (NPL) [http://www.npl.co.uk] did an extensive amount of research on proper frequencies and power levels for ultrasonic cleaning, maybe in late 1980s or early 1990s. That report might help you sort through
Electronics Forum | Wed May 15 15:58:11 EDT 2013 | rgduval
Let me see if I understand you correctly. You have a batch washer (looks like a dishwasher). There is a top and bottom spray fixture, which would normally spray water up at the board and down at the board being washed. When you place boards in t
Electronics Forum | Thu Oct 02 21:00:26 EDT 2003 | davef
Who says the chlorine comes from your tap water? Our PTOW dumps boat loads of chlorine into our water periodically. Sometimes it's so bad you can smell it. We doubt that it is the source of your problem. This chlorine will volitize very quickly,
Electronics Forum | Sun Sep 25 16:02:59 EDT 2005 | mark
The calibration was ok. When i switch off the back camera and use front one everything is ok. Is it true that when Topaz use back line camera after checking the components the machine rotates the components 180 degree?. Mark \
Electronics Forum | Tue Sep 20 12:38:05 EDT 2005 | Mark
Hallo, I have a problem with Topaz Xi with FNC nozzles. We have front, back and single camera in Topaz Xi. When i am using front camera and placing SO8, TSSOP14, TSSOP16 etc, using nozzles 73F the accurancy is ok. But when i switch to the back cam
Electronics Forum | Wed Jun 10 22:47:17 EDT 2009 | davef
You're correct that JEDEC J-STD-033 defines baking condidtions for moisture sensitive components. Why do you want to bake assemblies after cleaning? Search the fine SMTnet Archives for threads like: http://www.smtnet.com/forums/Index.cfm?CFApp=1&Me
Electronics Forum | Wed Jun 24 21:34:02 EDT 2015 | kennyg
I am struggling with a water wash process for a very small (1"x1") PCB. It has components that are very esily damaged by contact. I'm stuck with wash. I know, I know, but no-clean isn't an option. We put the board in s compartmentalized wash basked
Electronics Forum | Thu May 31 13:39:23 EDT 2007 | wavemasterlarry
You need to switch to an alcohol based stamp. It will work cause that's what we use.