Electronics Forum | Sun Nov 05 22:55:29 EST 2006 | KEN
Is it possible something is wrong with your solder paste?
Electronics Forum | Mon Oct 30 10:19:08 EST 2006 | Thanh Nguyen
do not dispense too much solder paste in the stencil. Keep paste about haft of the blade hieght.I think it will help.
Electronics Forum | Fri Oct 27 09:07:33 EDT 2006 | kingfish
I have an AP25 HiE, first time using metal blades. I have found that the paste is not releasing from the metal blades whether it is fresh or old. It is intermittent at times. Any suggestions? David
Electronics Forum | Fri Oct 27 20:27:48 EDT 2006 | davef
Search the fine SMTnet Archives for background, for instance: http://www.smtnet.com/forums/Index.cfm?CFApp=1&Message_ID=5473
Electronics Forum | Mon Oct 30 11:01:32 EST 2006 | nodlac
David- We found success with Permalex blades from Transition Automation. http://www.transitionautomation.com/squeegee.html Not that this solves yer problem....
Electronics Forum | Wed Nov 01 12:31:38 EST 2006 | jdumont
We also use the Permalex blades with good success. We try to keep around a 5/8" bead on the stencil to help with release.
Electronics Forum | Thu Nov 03 11:31:51 EDT 2022 | proceng1
You described cleaning the spindles and filters, but did you clean the nozzles? Perhaps you got some paste on the nozzle. Also, did you perform the vacuum and blow off testing? Make sure your solenoids are working properly. Is it all 6 heads that
Electronics Forum | Wed Dec 06 14:42:28 EST 2006 | wrong way
Im using kester easy profile 256 and just this week started seeing problems with the paste being to thick sticking to the sqeeges and not going thur the screen this is not a lead free paste but it is a keester product
Electronics Forum | Tue Jan 16 10:19:36 EST 2007 | slthomas
Then how do we explain the poor printing performance (appears to be rheology based, paste thickening/drying, poor aperture fill, sticking to the blades, etc.) of paste that has exceeded it's shelf life? You know, the stuff that no amount of stirring
Electronics Forum | Fri Apr 23 11:42:30 EDT 2004 | patrickbruneel
Thanks for the answer. what i believe happent is that the manufacturer of the paste reduced the tackiness of the paste to eliminate the squeegee sticking problem, and now with the reduced tack its a lot easier for the powder particles to break off du
