Electronics Forum: solder (Page 1336 of 2099)

Wave Solder question

Electronics Forum | Tue May 29 07:06:03 EDT 2012 | aj

spacing is very tight but you should be able to get it right... If possible try and run it at 45 degrees over the wave and see how you get on... we had a similar problem and this improved things dramatically ( but we had a selective pallet that wa

Wave Solder question

Electronics Forum | Thu May 31 10:34:00 EDT 2012 | edmaya33

Yes, 45 degree will kill the shadowing effect. YOu can also consider the teardrop on its land. No need to tilt to 45 degree.

Blue-Film on surface of leadfree Pot

Electronics Forum | Wed May 30 10:09:39 EDT 2012 | brettrenishaw

Recently we have noticed a purple-blue colour film on the surface of the molten solder. It can be cleared when de-drossing the pot. The pot will normally go a yellow/gold colour before it turns purple-blue. Is this most likely an oxide of the tin or

Another AOI thread

Electronics Forum | Mon Jul 09 17:52:15 EDT 2012 | hegemon

I have used Mirtec MV-7 inline for post reflow solder inspection in the past, with Laser check for lead height (QFP) Very fast and great support. I have no connection, and receive no compensation from Mirtec. 'hege

Solder Alloy

Electronics Forum | Wed Jun 20 14:08:22 EDT 2012 | cyber_wolf

Indium will most likely make any alloy for you however be prepared for "custom pricing" You can expect a 3 week lead time.

Selective Soldering Issues

Electronics Forum | Fri Jun 22 08:44:50 EDT 2012 | grauen06

We are using Nitrogen from Dewer tanks. We have purchased a generator from On-Site gas that we will be installing in 2 weeks. I guess Nitrogen purity could be an issue, but the company that sells us Nitrogen said it is five 9s (99.999%)

Selective Soldering Issues

Electronics Forum | Fri Jun 29 08:39:57 EDT 2012 | grauen06

We have not tried baking the boards yet. We are first going to try a new flux. If the flux fails we may try baking.

Selective Soldering Issues

Electronics Forum | Fri Sep 14 12:56:45 EDT 2012 | tank1266

Grauen06-Glad to hear it worked out for you. If you adjust your dwell and dip times, you should be able to eliminate your last little issue. Feel free to contact me personally at frankg@fleetwoodgroup.com. Frank

QFN aligment issues

Electronics Forum | Thu Aug 02 15:27:50 EDT 2012 | 15009

Solid solder deposit technology allows you to adjust alignment after placement and before reflow, without causing shorts or smearing paste. Just an idea.... www.sipad.com

wav smells

Electronics Forum | Tue Jul 10 18:47:03 EDT 2012 | gaz

We are having an issue where when we are wav soldering, there seems to be a lot of smell. We have exhaust fans running, but not sure how to know if they are enough. Do you know what area of the machine/process is most likely the cause of the smell a


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