Electronics Forum | Mon Jan 24 22:28:57 EST 2005 | davef
In addition to the potential problems you mentioned, add: * Barrel cracking of PTH and via. * Lifted pads. * Warped boards. And the reason you're not using a solder fountain to to solder this connector is? Or use an old trick we've done here on SMT
Electronics Forum | Fri Jan 28 12:18:32 EST 2005 | Chunks
Your best bet is to do a decision making matrix. Each company has so many different criteria�s it's hard to pick out which one might be important to yours. Simply pick out your top 5 paste manufactures. Next decide what your "Eliminators" are - th
Electronics Forum | Wed Jul 06 09:51:23 EDT 2005 | Jack
Doug, It always seems easier to fix one or two problems by eye at the time. The real problem comes when the customer wants the same board run again later. You're okay if you saved the corrected placement routine, but if you end up moving the job t
Electronics Forum | Fri Feb 04 08:15:02 EST 2005 | aj
We are starting to look at doing some trials at the mo. I have attended a couple of seminars with one on Wave Soldering coming up soon.Loads of info. now have to make sense of it all. Just a couple of questions/advise on how other people have approa
Electronics Forum | Fri Feb 11 08:44:26 EST 2005 | pemnut
We use these machines to insert swedge pins. When I first started here, there were certian programs that we ran that required us to put in a machine offset of +.120 in the X which is a lot. after learning the machines better, I realized that whoever
Electronics Forum | Tue Mar 01 14:47:48 EST 2005 | cabjerk
Hi: We started many years ago with totes on shelves 30 reels per side. Then we moved to 12" shelving with reel boxes. 5 reels per box. It was cheap and each was a single location. Great for finding and decrease cycle time in finding parts. Our wh
Electronics Forum | Wed Mar 02 06:19:03 EST 2005 | pjc
Go to http://www.ipc.org and look up IPC-7351 - Generic Requirements for Surface Mount Land Pattern and Design Standard The successor to the IPC-SM-782A is here! The document covers land pattern design for all types of passive and active components
Electronics Forum | Thu Mar 03 09:04:26 EST 2005 | russ
Been following this thread and have a question, Why do "touch-up" people follow different criteria than "Q.C." people. It sounds like the root of the problem is not addressed but bandaids are being put into place. We have no "Q.C." department and
Electronics Forum | Thu Mar 10 09:13:15 EST 2005 | davef
From http://www.IPC.org ... IPC-7351 - Generic Requirements for Surface Mount Land Pattern and Design Standard The successor to the IPC-SM-782A is here! The document covers land pattern design for all types of passive and active components, includ
Electronics Forum | Mon Mar 21 07:25:12 EST 2005 | cyber_wolf
We have lab sink in our SMT area that we use for washing off stencils and hand tools that are contaminated with solder paste. The sink has a float in it and when the water level reaches a certain point it pumps the main basin out through a filter th
