Electronics Forum | Mon Feb 26 13:48:49 EST 2001 | slthomas
Anyone using selective soldering pallets to run boards with previously reflowed bottom side SMT through the wave? Any comments, pro or con? Seems like a reasonable approach for someone that doesn't want to install a dispenser.
Electronics Forum | Mon Feb 26 20:22:01 EST 2001 | davef
As a design rule, provide 0.050" minimum between parts to be "masked" and areas that require wave contact. The more the better is the general rule to apply. Check: http://www.autogroup.com/designguideb/ http://www.spprecision.com/ http://www.datumdy
Electronics Forum | Mon Feb 26 14:15:21 EST 2001 | marting
Steve, Currently we are using selective pallets and the best piece of advice is to find a supplier that will be able to handle the requirements of the selective wave process, for example proximity of chips to PIH devices, and pallet thickness etc. We
Electronics Forum | Mon Dec 16 16:35:55 EST 2002 | Jim Ferris
Randy, Steve & all, Can you guys point me in the right direction when it come to using selective wave soldering...I am trying to get in-depth information on the Pro's & Con's of having our supplier use this process for our PWA's. (I can see there ar
Electronics Forum | Mon Dec 02 16:19:11 EST 2002 | slthomas
Unfortunately it's nc or we'd be worrying about this on the fly. Non-contact is defintely and issue....this is an 18"x9" board with 1500 bottom side SMT parts that are scattered among the through-hole and vice-versa. We're currently using 7 hold-
Electronics Forum | Thu Dec 05 11:04:27 EST 2002 | slthomas
They're IR, bottom side only. Frankly wave solder is not my forte (there are those that would claim nothing is), but I've personally been tasked with developing a process to do reliable, high volume bottom side SMT, so I'm drawing a lot from the tec
Electronics Forum | Mon Feb 09 20:06:15 EST 2009 | davef
Pallet fabricators are: * AGI; 177 Nick Fitcheard Rd NW, Huntsville, AL 35806; 256-858-3300 http://www.agicorp.com/ * Pentagon EMS; 10950 SW 5TH St, Suite 230, Beaverton, OR 97005; 503-924-2747 F503-924-2744 http://www.pentagon-ems.com * M&O Precis
Electronics Forum | Fri Dec 17 09:24:46 EST 1999 | Marty Wetzel
KA, Joshua makes a good point. A wave solder fixture will allow you to process your double-sided boards without having to add the epoxy step. The one time fixed cost of a fixture is quickly offset by the time that you save by not gluing your SMT.
Electronics Forum | Wed Mar 28 13:14:38 EDT 2007 | amelara98
I am having problems with a product we receive from our overseas plant, where there is excessive "dullness" of solder joints/metal surfaces after running a board on a pallet through wave solder. Seems to be an issue of the pallet, as the solder appe
Electronics Forum | Wed Mar 28 14:11:19 EDT 2007 | pjc
It should only be a visual thing. What may be happening is that all the thermal energy being driven into the wave solder pallet to get good soldering is causing the no-clean residues to burn up a bit, causing the discoloring. Check to see if they hav
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