Electronics Forum | Mon Jun 11 17:47:54 EDT 2012 | tombstonesmt
Pete B *We do lines of soldering @ 10mm/sec *Similar solder balls were present on product after soldering. *UPDATE SOLUTION* We began using topside preheat while fluxing the board to reduce the thermal shock factor in addition to replacing the "fi
Electronics Forum | Mon Jul 29 19:39:57 EDT 2013 | hegemon
No problem running lead free without nitrogen. Careful profiling will take care of the soldering. Cosmetically, the Nitrogen reflow is superior for lead free, and we see much better wetting, better coverage of the PWB pads, and of course the smooth
Electronics Forum | Fri Oct 04 16:08:28 EDT 2013 | hegemon
Same idea but simpler execution. Verify Solder pot temperature. Verify Temperature of Solder as it leaves the nozzle. Verify preheating gets your PWB up to 90C-120C prior to soldering. Check machine speed, verify 4 seconds contact with solder at
Electronics Forum | Wed Jul 09 14:57:42 EDT 2008 | ck_the_flip
I think what Chunks meant is... TOOLING = THOSE POTS So basically, if some of your SMT or Through-Hole parts move around via a redesign or a respin, you will incur tooling costs (TOOLING is "THOSE LITTLE POTS FULL O' SOLDER.") When you're research
Electronics Forum | Mon Dec 23 11:12:36 EST 2002 | gswable
Hi, Can anybody help with a DOE for water soluble flux selection for a wave soldering process? Looked in threads but nothing specific. hav test wehicles and a waaev machin with melt solder in that T
Electronics Forum | Wed Nov 08 15:59:19 EST 2000 | jackofalltrades
We are currently evaluating a "selective soldering machine" from Ersa. We have been using it for about a month or so now and have found it to be very useful on "difficult to wave solder spots", but it is not as fast as a wave soldering machine. It mi
Electronics Forum | Wed Nov 15 06:44:54 EST 2000 | andy
John , I had some experience of selective solder in a high throughput environment and though the quality of s/s was good , the throughput was not . So if throughput is an issue , forget it . I would go with the hand-solder option , although as has be
Electronics Forum | Thu Jun 25 14:32:14 EDT 1998 | Alon
| | | | Is anyone aware of any papers/publications dealing with the topic of selective soldering of through-hole parts on SMT pcb's..? | | | I would also be interested in a good reference book dealing with wave soldering. | | | Contact me if you hav
Electronics Forum | Mon Apr 21 09:28:06 EDT 2003 | Bryan
What does acrinym---BNY mean? can't you use Paste In Hole process,if the pitch is large enough?You can find imformation about PIH everywhere. we have tried PIH,selective soldering,wave soldering,and found that wave soldering get the best solder joint
Electronics Forum | Wed May 03 11:12:08 EDT 2006 | samir
Iron huh? You sure about that? We have the ERSA Versaflows and our nozzles are made out of ST37 Tool Steel. There is an "American equivalent" to this grade but I forgot what it is. You'll have to google it like I did. Anywho, Tin or Tin-Lead sold
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