Electronics Forum | Tue Mar 03 09:29:48 EST 2015 | rgduval
A couple of things that have helped me with solder ball issues at wave in the past: 1. Flux. Insure good flux coverage on the bottom of the board. 2. Preheat. Insure that the board is sufficiently preheated for the wave operation. Since you're
Electronics Forum | Wed Oct 11 14:23:46 EDT 2006 | Steve Gregory
I don't know why anyone would even want any of this stuff since you get paid for the solder that's in your dross anyway. The way I look at it is that it's really a GOOD THING to have some solder come out with the dross while you're de-drossing your
Electronics Forum | Mon Nov 10 22:15:53 EST 2008 | fctassembly
Bob The actual process for converting from SAC305 to SN100C is pretty painless. Basic steps: 1) make sure your solder pot is at temp 2) de-dross 3) pull pumps/flow duct(s) and clean 4) purge pot of SAC material 5) remove any remaining dross/alloy i
Electronics Forum | Sat Mar 06 22:26:34 EST 2004 | Ken
I think it is a good idea to "waste" money on this analysis. Especially if you phase in a SAC wave alloy. Silver is not toxicity free....and lead free waves can dross 3 to 5 times faster than SnPb alloys. This produces a greater potential for airb
Electronics Forum | Wed May 17 10:19:25 EDT 2000 | C.K.
Hey Dave: At our facility, we use those masks that filter out particulates. Our safety department requires all wave operators, maintenance, and even wave process engr's (like me) to have these masks checked every 6 months for proper gasketing, filte
Electronics Forum | Tue Dec 12 13:45:23 EST 2000 | justin m
Dross removal is dependent upon the "activity" in your solder pot and the usage of a inert or an "air" atmosphere. The more moving parts that agitate the solder and expose it to air, the more dross. Basics first and then the answers will make sense
Electronics Forum | Fri Mar 05 19:17:00 EST 2004 | Ken
I have had OSHA strap accumulative "sniffers" onto wave operators and maint. tech's. THe sniffers collect air bound particulates and trap them into a filter. Later the filter is analyzed and an operator exposure rate is determined. They also will la
Electronics Forum | Tue Dec 12 13:33:52 EST 2000 | justin medernach
Dross removal is dependent upon the "activity" in your solder pot and the usage of a inert or an "air" atmosphere. The more moving that agitate the solder, the more dross. Basics first and then the answers will make sense. What is dross? Oxidatio
Electronics Forum | Tue Dec 16 15:43:26 EST 2008 | fctassembly
Converting your machine from lead to lead-free can be performed in a few steps: 1)Ensure the solder bath is up to temperature 2)De-dross the solder bath 3)Remove pumps/ flow ducts; etc. clean very well- set aside 4)Purge leaded solder 5)Remove as muc
Electronics Forum | Mon Jan 31 12:24:24 EST 2000 | Dave F
Robert: Several points: 1 Dross is a mixture of various things with no "fixed" composition: � The obvious things are metal oxides mixed with metal and this can vary in color with temperature and composition - remember some intermetallic oxides form
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