Electronics Forum | Wed Mar 21 17:08:34 EDT 2007 | iit
The biggest problem with double printing is that if the squeegee pressure and speed are correct, the stencil apertures are already filled with paste. Printing again can force paste between the bottom of the stencil and the top of the board creating
Electronics Forum | Tue May 02 07:50:41 EDT 2023 | wippsen
Hello, who is printing 0201 apertures or smaller and can provide information on stencil design, stencil thickness and type of solder paste?
Electronics Forum | Tue Mar 20 14:34:45 EDT 2007 | realchunks
Hi Bill, Gasketing between the board and stencil may leak alittle, giving you a fuzzy print. If not, you should be OK. Another variable may be you need to perform an understencil wipe more often, adding to your cycle time. So why ya wanna double
Electronics Forum | Tue Mar 20 10:27:36 EDT 2007 | davef
Print styles: Print - Most common print mode * A single print stroke forward on first board * A single print stroke reverse on next board Print-Print (Double Print) * Both forward and reverse printing strokes * Helps to ensure complete filling of th
Electronics Forum | Mon Jan 28 16:48:14 EST 2002 | djarvis
Printing with adhesives is no big deal so don't let the sales types try to mystify the process and convince you that they have the only stencils/adhesives/knowledge that can possibly get you through this "trying time" - at a price. Start with 0.010"
Electronics Forum | Mon Jun 29 13:38:20 EDT 1998 | Russ Miculich
| looking for help with fine-pitch printing for what would be the best settings for printing speed, squeegee pressure, seperation speed. | thanks for you time Brian: As Justin says - the issues are many. However, a good start would be to run at 0.75
Electronics Forum | Thu Jan 31 07:02:00 EST 2002 | martino
The whole process counldn't be easier. The sales reps' try to turn the whole thing into some crazy black art-its not. The stencil supplier will have their own standard 'glue dot' configurations, and 9 times out of 10 these are more than adequate. As
Electronics Forum | Wed Mar 21 13:21:53 EDT 2007 | scooter
I wish you wouldn't have asked why! We had a rush job and the stencil maker used a frame (normally we don't use the frame type) and placed in the frame wrong so in order to get it to work we printed in both direction. So I thought maybe we should do
Electronics Forum | Wed Feb 20 12:47:53 EST 2019 | ccouture
https://murraypercival.wordpress.com/2014/04/08/enclosed-pump-heads-for-stencil-printing/
Electronics Forum | Mon Oct 10 17:47:10 EDT 2005 | jhagve
hi We start to make a product which have a 0.4 mm pitch IC and start having problems with not enough solder printed, to solve this problem we had to increase the manual cleaning, now we are cleaning the stencil every 8 printings, before we was runnin
