Electronics Forum: selective soldering leaves marks (Page 1 of 12)

Nitrogen used in selective soldering

Electronics Forum | Fri Jan 23 12:34:28 EST 2015 | dyoungquist

Our nitrogen generator and an air drying unit came with the selective solder machine when it was purchased new in 2008 as a package deal. We originally were feeding the system with air that was not properly dried. That lead to some maintenance cost

Ionic contamination vs selective soldering ?

Electronics Forum | Mon Mar 17 18:37:59 EDT 2008 | aqueous

We manufacture both bulk and localized ionic contamination testers. My answer is from the perspective of the cleanliness testing method. The issue with all bulk ionic contamination testers (Ionagraph, Omegameter, Zero-Ion), is that they test the en

Trouble selective soldering fine pitch connectors

Electronics Forum | Mon Dec 10 13:26:40 EST 2012 | dyoungquist

We are using our selective solder machine to solder a backplane with sixteen (16) 4x48 pin 0.080" connectors. Our first pass yield is about 85% meaning that 85% of the connectors come out with no bridges. Not quite as fine pitch as your connector a

Trouble selective soldering fine pitch connectors

Electronics Forum | Wed Dec 12 16:12:58 EST 2012 | tombstonesmt

Glad to hear we have more Jade users on the forum! What kind of flux footprint is your fluxer leaving on the board? You called it a "spray" fluxer.. We use the MIC fluxer that functions like a jet fluxer. Do you flux each individual lead or do a

soldering robot

Electronics Forum | Wed Mar 28 08:34:31 EDT 2007 | Mark

Hello, I am trying to find out your opinion about using soldering bench top soldering robot to solder THT connectors (diffrent). What is your experinces and what is limitation for this system. We can't use wave soldering machine due to the complex

Selective soldering pallets and solder balls

Electronics Forum | Tue Dec 10 14:10:38 EST 2002 | Randy Villeneuve

Steve, I wave solder most if not all our boards with selective wave pallets. I did not catch if the solder balls were on top of the board or on the bottom but that will make a difference on what to do to get rid of them. Pallets are good and bad. On

Selective soldering pallets and solder balls

Electronics Forum | Mon Dec 02 16:01:15 EST 2002 | russ

If you can, attach athermocouple to the locations where you are getting solder balls. A previous product I had showed the same thing and we found that we had inadequate preheat leaving the liquid flux to splatter when it hit the wave. It could aslo

Prepping Boards for Wave Soldering Selective soldering machines

Electronics Forum | Sat Sep 11 10:51:59 EDT 1999 | JohnW

Folk's, Been asked / told by my boss to look into our board prepping area for wave soldering and find another way of doing it. Thing's I'm looking at are: PCB Breakout - do you do it before or after wave Connector's that need to be pressed in due to

Selective solder machine leaving solder balles everywhere

Electronics Forum | Fri May 03 07:53:16 EDT 2013 | hillview

lead free and leaded solder mix up or flux mix up.

Re: Fiducials

Electronics Forum | Mon Feb 22 05:39:58 EST 1999 | Scott Davies

We are currently using circle, cross and double-cross(#) fiducial patterns with SiPlace equipment. Most of the problems seem to occur when, in the case of a HASL fiducial mark, a PCB is topside reflowed, goes away for thru-hole and comes back for bot

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