Electronics Forum | Wed Apr 09 19:58:40 EDT 2008 | diesel_1t
conveyor speed: 30 in/min. 8 zones stencil thickness 6 mil for most, for the one with 0402 5 mil (due to a 20mil pitch QFP) laser cut. thanks.
Electronics Forum | Fri Mar 15 18:26:51 EDT 2013 | hegemon
We avoid kapton in this situation due to the thickness. 1 mil additional thickness can equal up to a 20% increase in paste volume at adjacent pads if you are using a 5 mil stencil. But then again, that is not always bad. But must be taken into consid
Electronics Forum | Mon Sep 08 11:53:15 EDT 2008 | aqueous
Here are links to articles on that subject: Can You Clean a No-Clean Assembly? http://www.residues.com/pdfs/Circuits%20Assembly%20Articles/2003/low%20res/2003.01-Can%20You%20Clean%20a%20No-Clean%20Assembly%20-%20Circuits%20Assembly.pdf Component
Electronics Forum | Wed Jun 27 15:21:28 EDT 2001 | H.Richter
Hello; Can anyone give me advise on the best way to manually align a 20"x20" stencil on a semi-automatic printer? We have a board with a 16 mil pitch QFP and have difficulty aligning the stencil. We have tried various alignment schemes on the pcb an
Electronics Forum | Thu Jan 25 13:49:57 EST 2007 | John S.
James, We have 3 750's that are 5-8 yrs old. Never any major issues. Juki's service and support are the best. We bought a 2060 1 year ago and have been pleased with it. We placed a 20 mil pitch QFP with a spec of +/- 0.003" to test the machine.
Electronics Forum | Mon Jul 27 13:41:56 EDT 1998 | Chris Fontaine
Steve, We do a lot of hand spray conformal coating and have had much success. We have had much experience with Humiseal 1A20 Urethane. Acrylics are easier to work with but may not stand up to your environment. I don't have any experience with sili
Electronics Forum | Fri Jun 04 00:51:15 EDT 2004 | fastek
Ken...you are right on the money. I couldn't imagine someone new to SMT assembly getting themselves involved with such an old platform. Besides I would have my doubts that a Quad 4C can even handle what this guy would want it to do. 0402's on a 20 ye
Electronics Forum | Thu Mar 01 09:14:12 EST 2001 | angela_gong
yes, it is a Black Belt training,instead of 5 days, it is a 20 days traing during 4 mothing, with a project. I just kick off my project lastday. when the pick up avalability is alreday over 99.5%, how to increase another 0.3%, so difficult, so many
Electronics Forum | Wed Aug 31 12:49:04 EDT 2005 | kmeline
I have been having the same problem with the LLP. I have three stencil I have done reduction on. The first I went by the manufacturing recommendations. The last two I have done more reducing for the thermal pad. The last one was at a 20% reduction an
Electronics Forum | Tue Jan 27 03:59:51 EST 2004 | KevC
Hi lads, Can anyone tell me a bit about PT500 application software? I recently had to replace the Hard drive in the host PC for our wave. I re-loaded the system software and re-configured. One thing I noticed however is in the "Calibrate T/C's" opti
