Electronics Forum | Mon Sep 14 08:07:24 EDT 2009 | davef
You have a board fabrication defect. Search the web for "hole wall pullaway" Performing a microsection is the best way to analyze the defect.
Electronics Forum | Tue Sep 22 08:55:48 EDT 2009 | geb
Hi Chris, We've had another supplier say that it is the silver or combination of tin with silver that causes the corrosion. Would you agree?
Electronics Forum | Tue Sep 15 08:50:42 EDT 2009 | babe7362000
Just wanted to know if the Juki Feeder Calibration Jig is worth purchasing? Pros and Cons?
Electronics Forum | Mon Sep 21 15:08:46 EDT 2009 | jdumont
Thanks for the reply. I didnt consider this too peculiar a situation however, since pretty much anyone who coats boards with a thin material like acrylic prob has come across this. Maybe its time to invest in some machine upgrades! Thanks
Electronics Forum | Tue Sep 22 08:44:45 EDT 2009 | edmneb
It has stopped all together. We did go thru and touch up the solder joints. It says it fails to initialize the CRT.
Electronics Forum | Tue Sep 22 08:53:37 EDT 2009 | stepheniii
The only time I ever saw problems with stenciling glue was when one know it all operator was using IPA to clean the stencil. He didn't seem to be able to understand that alcohol was a curing agent for that particular glue. But other than that, as l
Electronics Forum | Fri Sep 25 10:28:08 EDT 2009 | leemeyer
Are you running Q-soft software or is this an older machine running central controller ? Do you have seperate profiles set up for 0603 caps and 0603 resistors or just one profile for all 0603 parts. It sounds to me that you might be scanning to low a
Electronics Forum | Fri Oct 30 08:24:12 EDT 2009 | rajeshwara
thnx davef & all With the help of all at last i solved the problem , The vias are not caped from bottom , so solder paste draining through the via to the floor which creates voids between IC ground pad and e-pad. Tnhx all again
Electronics Forum | Mon Sep 28 14:27:08 EDT 2009 | soudomphong
I need help with conveyor speed in Omni Excel 7. It fluctuate, and never have a steady speed. I swapped the speed control card,calibrated, encoder, and I still have the same problem. Any help would be appreciated, thanks.
Electronics Forum | Wed Sep 30 08:21:07 EDT 2009 | cunningham
Hi We have a board at the moment thats passing ICT and passing functional test but its failing test after conformal coating has anyone had any experinces of this? or any idea what may be causing this?
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