Electronics Forum | Mon Apr 06 10:16:43 EDT 2009 | samitokgoz
Hello, Does anybody have Seho 8040 (wave soldering machine) user and maintenance manual? I have a document for 8000 series but it would be better if I had one specifically for 8040 model. Please send to sami.tokgoz@selex-comms.com.tr if you have it.
Electronics Forum | Fri May 01 06:49:31 EDT 2009 | davef
minimum space between selective wave soldering pallet's opening to the nearest PTH or SMT pad? * http://www.agicorp.com/pdf_files/Designguidelines903.pdf * http://www.datumdynamics.com/resources/dfm_wavesolder.html?PHPSESSID=a73b3bc8bbd55519bffbb68
Electronics Forum | Fri May 22 16:16:36 EDT 2009 | pjc
Electrovert's studies for Hot Air de-bridging Knife (HAK) for Pb Free alloys have shown it to be ineffective. When its hot enough to do the job, you're damaging the board, cooling it down to prevent damage is not hot enough to de-bridge properly. Ya
Electronics Forum | Mon May 11 12:50:55 EDT 2009 | stepheniii
What is the purpose of glueing it? If it is glue the bottom side parts followed by reflowing the top side parts followed by wave soldering the bottom side parts, then it's easy to measure. Hold the board with the 0603s facing down. If they don't f
Electronics Forum | Mon Aug 24 03:59:26 EDT 2009 | hurr
Hallo Joanne, I had employed by producer of Ecofrec 303. We make many tests of corrosion and conductive test in our company. All results of this tests was OK . Vast majority correspond mil standarts. When I ask my labor assistent in BRY, white residu
Electronics Forum | Wed Sep 09 08:25:40 EDT 2009 | davef
We understand that you have boards in production that you need to ship. In the future, you could eliminate your moisture caused blow hole issue a lot more simply than baking. Consider requiring that your board fab plate the copper thickness of throug
Electronics Forum | Thu Oct 15 18:10:53 EDT 2009 | glennandrew
We have recently acquired a Pillarhouse Jade machine which has changeover pots from Pb Free to Pb and the bath it small so changeover heatup is fast . Although it's runtime is slow it seems to run the product well.We are also running an Ebso 400 but
Electronics Forum | Thu Dec 17 03:55:41 EST 2009 | tod1967
Inspect your dispensed or printed adhesive deposits 100%, make sure your Pnp gives 100% 1st time placement and your cure is adequate. Conveyor or manual brd transfer can also be an issue. usually is in the process. Hopefully your following Loctite
Electronics Forum | Mon Jun 14 15:18:49 EDT 2010 | jmedernach
Hi Phil, If the areas that are "turning gray" are masked, it would lead me to believe that you're simply oxidizing the SnCuNiGe finish on those areas. It's unsightly but not an actual defect. I think it's simply the biproduct of using SN100C as a s
Electronics Forum | Tue Jun 22 00:20:21 EDT 2010 | leadthree
Pick & Place > Wave-solder > other parts > test > conformal coating Is there any production error that could make a ceramic cap conductive? PS: want to add one point: The caps don't seem to be cracked. We changed a few 100 and didn't notice any bro
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