Electronics Forum | Mon May 21 09:00:19 EDT 2012 | mosborne1
Try switching to a polymer nozzle. Your machine manufacturer may sell them on any machine shop can mill you one. Also check to see if your pick and place had a puff off function. Some older machines have a mechanical adjustment on the mac valve used
Electronics Forum | Wed May 23 18:53:20 EDT 2012 | stentech
Pick and place is not my area but I did have a customer a while ago with a similar problem. He did try different nozzles and air pressure. They use Nano protek on thier stencils. He wiped the nozzles with Nano Protek and the problem dissappeared. Onl
Electronics Forum | Wed May 23 20:17:48 EDT 2012 | kahrpr
That not such a crazy idea. In a past life a long time ago we had a part sticking issue. some one suggested mold release on the nozzle. ( we also did injection molding) and it did work. It did not appear to leave any residue. We also use a cree Led o
Electronics Forum | Wed May 23 20:33:51 EDT 2012 | stentech
Great information guys..I am learning a lot. Reading all the info changing the nozzles, pressure and coatings are certainly narrowing the choices. A lot of coatings I have come accross seem to come from the Mould industry especially Teflons etc. I lo
Electronics Forum | Wed Jun 27 12:51:53 EDT 2012 | cyber_wolf
You can leave the booster in the original position and mount two small fans directly underneanth it blowing upward. By leaving it in the original upright position you get quite a bit of air velocity in the small space between the booster and the mach
Electronics Forum | Thu Jun 14 21:48:41 EDT 2012 | kmots15
We work with a lot of larger boards over 24", haven't run into this issue yet. I agree with scott could be your board supplier if they are lower quality, from something as simple as unit conversions in CAD to dealing with different temperatures. A
Electronics Forum | Mon Jul 02 14:29:41 EDT 2012 | markhoch
I disagree with the statement that using pads as fiducials shouldn't be a problem. If he's using pads on the PCB, than he is most likely using corresponding apertures on the stencil. During production, these apertures will start to have paste accumul
Electronics Forum | Fri Dec 28 02:31:54 EST 2012 | sarason
UFOS is the language of that generation of philips/Yamaha Surface mount machine. Indeed there are other commands. My program PCBSynergy, generates 2 variations of UFOS that will likely program that machine. Unfortunately my copy of these is in storag
Electronics Forum | Fri Jan 18 14:06:06 EST 2013 | maurdane
I have some boards that go through the assembly process on our SMT Line mounted on SMT Fixtures. Currently, we are experiencing some quality issues (shifting, tombstones, etc) on some of these assemblies as a result of not being able to keep the PWBs
Electronics Forum | Fri Mar 29 16:29:16 EDT 2013 | aemery
Worked on these for many years as a Speedline FSE, now doing my own thing. You could have motion or alignment issues in the printhead. The setting in the INI could be wrong, but unlikely. Or are you just using the wrong squeegees. Without a stenc
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