Electronics Forum | Wed Apr 17 02:30:03 EDT 2002 | seje
Hello. There is been a lot of talk about thick plastic stencils vs. metal stencils for adhesive printing, but how about thin plastic stencils? We used to use a very thin plastic stencil (from loctite) with printgap (=snap-off) to adhesive printing
Electronics Forum | Wed Jun 19 14:44:11 EDT 2002 | kenbliss
It sounds like your inspector improved quality and pre-staging your feeders dramaticaly increased uptime on your machine, thats great to hear. One cautiionary note, be careful not to flood your production area with parts off of your SMT line. With
Electronics Forum | Sun Dec 22 06:00:54 EST 2002 | Mark
Hi: Your stencil specs are good; Did you check the stencil thickness? It would be worth a ck since there may be an error from the stencil mfr If the paste is not releasing with good stencil specs, these are possible causes: 1 The paste isn't tou
Electronics Forum | Tue Feb 17 10:55:49 EST 2004 | bobbyv40
Hi Dave, 1. As far as speed of removing componants, we use a board preheater to bring board temp to about 150 C. Then add a flux and then flood all 4 sides of the componant with the low temp solder. Using a suction tool the part comes right off. The
Electronics Forum | Thu Jul 14 09:42:36 EDT 2005 | saragorcos
Our facility helps customers clean no-clean soldered boards on a regular basis, and it definitely can be done but is a little more challenging than boards built with water soluble flux - one piece of advice I would give is to use low water pressure (
Electronics Forum | Fri Aug 05 11:32:29 EDT 2005 | saragorcos
Hi Sandy, Here are some suggestions for an optimum cleaning process for cleaning under BGAs if they are assembled to the board to add to the great tips Shean already listed: - Use a good saponifier w/ DI water - an effective saponifier will be able
Electronics Forum | Mon Feb 13 10:33:57 EST 2006 | fredericksr
Hello, I am automating a process on our floor from wire solder hand application to dispensed paste and reflow. The process involves "lidding" a shielding lid around our assemblies for microwave quieting. The result is non-hermetic. For cosmet
Electronics Forum | Wed Feb 21 15:16:52 EST 2007 | wavemasterlarry
sure sounds like alot of over kill. You can get all the info you need by running your machine. Keep the dross cleamed outof it and replace the flux stone every so often and you shouldn't have any problems. Them fancy machines are no match for real
Electronics Forum | Wed Dec 19 18:41:33 EST 2007 | darby
You printer is not solely designed for printing solder paste. This is why some of the options you would never use for paste appear in the menu. You may actually be printing overlays or yes, even t-shirts. This is why you may want to flood/print, prin
Electronics Forum | Wed Oct 08 11:16:12 EDT 2014 | cbeneat
We are having an intermittent issue with a certain board on our wave solder line, machine is a Vitronics 6922 Delta Wave, leaded process. There are 2 fuse holders on one edge of the board that are not getting solder all the way thru the barrel every
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