Electronics Forum | Thu Dec 06 08:57:32 EST 2007 | davef
With this small amount of background information on the situation, comments are: * If you let adhesive cure on your stencil, you should not be using Zestron 301. A hammer and chisel is more effective. * Assuming you are not letting the adhesive cure,
Electronics Forum | Tue Oct 30 14:54:26 EST 2001 | jhingtgen
Doug, Thank you for your interest in DEK's PumpPrint technology. The stencils are a plastic type with a standard thickness of 3mm. This thickness, as you mentioned is to allow us to route out for clinched leads. Also for note is that we manufactu
Electronics Forum | Mon Oct 21 10:05:53 EDT 2002 | John S
We just started using DEK's pump print process on a high volume SMT line. We are using Hereaus 955. It works well for most components, but we have an issue with missing/partial glue dots on large diameter deposits (0.050"). The stencil will be com
Electronics Forum | Mon Jan 31 13:48:22 EST 2005 | John S
We have a line using the DEK Pump Print process. We use a 3mm plastic stencil and print adhesive through it. The adhesive we use is Heraeus 955. We've struggled with adhesive contaminating the pads of our smaller components. The deposit isn't on
Electronics Forum | Mon Jul 10 09:36:44 EDT 2000 | genglish
Does anyone know of a supplier who can manufacture stencils for the deposition of adhesive. The stencils are made from plastic and have underside routing to allow relief for through hole components. I know of only one who can do this DEK's PumpPrint
Electronics Forum | Mon Aug 05 03:09:48 EDT 2002 | jkhiew
Just print solder paste first & then print adhesive with pump printing process (this is first invented by DEK). RDGS
Electronics Forum | Tue Aug 06 12:06:39 EDT 2002 | carln
Hello Joseph, How are you cleaning your Pump Print plastic stencils? Regards, CN
Electronics Forum | Thu Apr 03 18:10:08 EST 2003 | Print Master
0402 Adhesive printing is possible with thicker stencils in order to allow mixed component technology. We have successfully printed 0402's with a 0.008" thick SS foil. Total material release is not achievable at this thickness, but not required u
Electronics Forum | Mon Jan 31 14:21:26 EST 2005 | Chunks
Not to put Heraeus down - but we experienced the same thing from time to time. We finally found out it was the humidity in building. The higher humidity would cause the bleed out of this adhesive. We switched to Loctite and the problem went away.
Electronics Forum | Tue Nov 21 13:45:07 EST 2006 | fujillews
Asymtech glue machine would do the job..different heads are available. Fuji GL series machines are also good but require a offline controller Even with PTH components Screen printing glue is still possible,some call it pump printing? what type of pl
