Electronics Forum | Tue Jun 01 12:48:49 EDT 2004 | pjc
AP25 can handle warped boards to a degree. I also depends on the board clamping system on the machine. There are three avbl. First is Universal Vacuum box, second is dedicated tooling with vacuum and third is Y Snugger tooling that does not use vacuu
Electronics Forum | Mon Oct 03 22:12:53 EDT 2005 | davef
When we see warp and twist, we usually jump the fabricator for: * MLB construction (not homogeneous or unbalanced - too resin rich or poor) * Supplier process capabilities (lamination cycles) * Material selection (usually cheap and dirty), etc. War
Electronics Forum | Thu Jan 16 10:07:12 EST 2020 | davef
Hej back at ya Your connectors could be warping during reflow. Find out by putting a connector on a hot plate and increasing the temperature. If so, you might get away with a simple fix of rotating the board 90* on your reflow oven conveyor. If you
Electronics Forum | Thu Sep 26 11:06:45 EDT 2002 | slthomas
Maybe you're well ahead of me, but make sure you search the archives for "bow" and "twist" as well as warp.....
Electronics Forum | Thu Mar 20 09:40:33 EST 2003 | russ
Are you warping the BGA or the PCB? Russ
Electronics Forum | Fri Apr 08 09:10:34 EDT 2005 | Dhanish
What would be the problem during SMT process if the board warps?What is normal warpage allowed in SMT equipment?
Electronics Forum | Thu Apr 20 14:37:29 EDT 2006 | Chunks
The newer MPMs use the camera to find the board edge - no mechanical stops like AP and DEKs.
Electronics Forum | Tue Aug 25 20:13:52 EDT 2009 | tstrat
250C. Neither of the package or PCB appear to be warping during reflow.
Electronics Forum | Wed Dec 22 18:16:46 EST 2010 | padawanlinuxero
Hello ! I have a problem with one of high runner, our board comes in a seal package with dessicant cant really tell you how much RH% is inside the bag, but our board does not spend a lot of time in the shelf just some days or a couple of weeks max,
Electronics Forum | Fri May 04 05:26:20 EDT 2012 | mrross
We do this If you shut down without cooling first it could warp the chain
