Electronics Forum | Thu Jun 06 10:11:06 EDT 2013 | eniac
azhiker, for me I selected method A. But I don't turn off wave and apply acid directly to nozzle with solder.
Electronics Forum | Mon Oct 03 09:24:38 EDT 2005 | John S.
We are implementing a high volume dedicated product line that will be doing lead free selective soldering. There seems to be 3 basic technologies. Wire fed (Panasonic Softbeam or Laser), solder pumps and chimneys (Pillarhouse, SEHO, ERSA, etc) and
Electronics Forum | Wed Jul 02 09:22:20 EDT 2008 | dmunson
Thanks Real Chunks. We currently have an RPS opus selective solder machine that we plan on keeping. It is configured as a 3-nozzle (!) one-pump (!!) point selective solder machine w/ nitrogen preheat. Custom wet nozzles. We use lead free SN100C sold
Electronics Forum | Mon May 24 23:38:17 EDT 2021 | SMTA-64387687
What about dispensing SMT epoxy (cures at much lower temperatures, than solder reflow), p+p components, run through the oven to cure, and using a laser selective solder robot to solder the pads?
Electronics Forum | Wed Dec 05 17:43:25 EST 2012 | davef
In order to get started in understanding the basics of wave soldering, read this http://www.ami.ac.uk/courses/topics/0225_wave/index.html Many board assemblers have replaced wave solder machines with selective soldering machines. * Often, modern bo
Electronics Forum | Thu Jan 19 13:28:19 EST 2012 | waveroom
Two pictures. Dark circles around solder joints. leaded solder, water soluble flux, selective soldering and seeing these dark lines circling around solder joints. Can not remove this either. Any idea what is making this occur??? See attached photos
Electronics Forum | Fri Feb 05 17:56:38 EST 1999 | Chad Haim
| I realize it's been discussed many times before. I need to know your opinions, experience, and knowledge concerning "today's"/latest and best pallet designs, suppliers, and methods for using them more effectively. | | Thanks much, | | Earl Moon |
Electronics Forum | Sat Nov 08 09:10:16 EST 2008 | davef
SN100 was designed for selective soldering and producing low levels of voiding. But thin barrel plating is a common cause of voids in wave and selective soldered connections, as you say. As a result, you checked the plating thickness and it was accep
Electronics Forum | Mon Apr 02 17:25:53 EDT 2012 | tombstonesmt
Just PM'd our Pillarhouse Jade Mark II this morning and found excessive solder balls all over the solder pot as well as the bottom of the machine. While removing all the dross it's very obvious that the dross is a REAL fine powder unlike any of the o
Electronics Forum | Sun Apr 04 10:16:16 EDT 2004 | cyclopsn
I'm involved in backplane manufacturing process. There are about 10 electrolitic capacitor assembled in my board.These capacitor are soldered using a selective soldering machine. My problem is that these capacitor will charged up and failed as short
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