Electronics Forum: ring and ersa (Page 1 of 4)

Nitrogen gassing ring

Electronics Forum | Wed Feb 08 22:05:54 EST 2017 | cromaclear

Hello to all, I am using ersa versaflow 3 selective soldering machine, i am having problems with nitrogen gas ring contamination. How can i clean this rings,what do you use? Ultrasonic bath maybe?

Nitrogen gassing ring

Electronics Forum | Mon Feb 13 06:53:39 EST 2017 | duoman

I would email Chad at ERSA and see what he might have to say, relating to your Versaflow. he's always been a big help to me.

Nitrogen gassing ring

Electronics Forum | Fri Feb 10 11:10:21 EST 2017 | duoman

I've been using the ERSA Versaflow 3/45 for 3 years. I've been changing the gassing rings and seals annually, but I'm going to a schedule of every 6 months. I blow my gassing rings off with compressed air. I also blow a little into the intake tube to

Nitrogen gassing ring

Electronics Forum | Sat Mar 11 08:37:35 EST 2017 | tch

My company has had the same issue on our Versaflow 366 with SAC305, we tried ultrasonic cleaning and it worked for a shift and then was clogged again. We have had the machine for 3 years and we have had to replace the gassing rings twice so far. We a

2 questions: via tenting and annular ring terminology.

Electronics Forum | Tue Jul 06 19:38:01 EDT 1999 | John

Q #1) Is it more reliable to have the mask tent over the vias or risk getting vias half filled with solder? These are vias with an .020" hole and .040" or .050" pad. Q #2) When speaking of annular rings, I have always thought of them as minimums. Su

Re: 2 questions: via tenting and annular ring terminology.

Electronics Forum | Wed Jul 07 00:28:59 EDT 1999 | Scott Cook

| Q #1) Is it more reliable to have the mask tent over the vias or risk getting vias half filled with solder? These are vias with an .020" hole and .040" or .050" pad. John, It depends......mainly on the via size. Tenting works on smaller vias. Tent

Re: 2 questions: via tenting and annular ring terminology.

Electronics Forum | Wed Jul 07 10:25:13 EDT 1999 | John Thorup

| | Q #1) Is it more reliable to have the mask tent over the vias or risk getting vias half filled with solder? These are vias with an .020" hole and .040" or .050" pad. | | John, | It depends......mainly on the via size. Tenting works on smaller vi

Re: 2 questions: via tenting and annular ring terminology.

Electronics Forum | Wed Jul 07 09:47:41 EDT 1999 | Peter Brant

| | Q #1) Is it more reliable to have the mask tent over the vias or risk getting vias half filled with solder? These are vias with an .020" hole and .040" or .050" pad. WIth regards to this question, and scott's follow up, I have used the "epoxy me

Re: 2 questions: via tenting and annular ring terminology.

Electronics Forum | Wed Jul 07 13:41:42 EDT 1999 | Dave F

snip | | If you go for plugging be sure you have a protrusion spec that you can live with. This often results in little bumps of epoxy that can interfere with component placement. For us, tenting .015 vias usually gets us about 80% coverage from

Pick and Place Rivet

Electronics Forum | Wed Aug 13 09:20:05 EDT 2008 | wrongway

we tested this kind of part about 3 years ago did a few prototypes I did'nt know how it was going to work but our old amistar picked it and placed it just fine used a small nozzle with a o-ring on the end of it I think it did ok going across the wav

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