Electronics Forum | Wed Nov 23 14:01:44 EST 2005 | SJ
Sorry this is a repost of a wrong subject thread earlier ... We're a U.S.-based small-medium sized CM and have a relatively high-mix of boards. We want to start a new machine platform starting from lower-end (slower) and later to higher-end (mass pr
Electronics Forum | Thu Nov 24 04:21:02 EST 2005 | Twistie Ng
NEED EXPERTISE HELP / SOLUTION for Sanyo TCM-V822 High Speed Mounter. Errors Message Code : REEL TIMING 01 18 & REEL SERVO 01 01 ============================================================ This unit has yet to run since our purchase a month ago.
Electronics Forum | Fri Dec 02 15:29:42 EST 2005 | mika
In my prior posting, I didn't exactly understood what You have in mind. I now understand that You want to get something for free, that everybody else need to pay for. If this is only for personal use so that You will be more skilled at Your work? Th
Electronics Forum | Tue Nov 29 16:30:05 EST 2005 | russ
We have utilized one of these for about 6mos. now (is that right Larry? I know you're reading this.) So far it has proven to be a very good machine. Getting the vision right on chip caps can be tricky and sometimes frustrating but once they are rig
Electronics Forum | Fri Dec 09 07:10:36 EST 2005 | Mity-C
Good Morning, One problem of LF BGA's in a leaded process is the temps required to propperly collapse the BGA balls. If the BGA is LF, the alloy of the balls will not reflow until the temp reaches 217-245 C. SN 63/37 reflows at 183 C. If your profil
Electronics Forum | Sat Dec 17 14:51:45 EST 2005 | Ola
"What worries me is that a lot of people speak about what they have heard, but there is no firm facts on exactly what the situation is." I do not understand this reply, because what can we do beside listening & read, unless we sometimes ourself do t
Electronics Forum | Sat Dec 17 17:52:50 EST 2005 | Ola
I agree with You. We are in many ways in the hands of our suppliers; either it is a machine, components, paste, daily consume etc. etc. I can tell You some horrible cock-and-bull story that our suppliers tell us, especially now when the RoHS is new a
Electronics Forum | Sun Dec 18 16:39:53 EST 2005 | grantp
Hi, Yes, and this is the problem with info from suppliers, and the problem is often companies market heavily against new technologies because they have issues with them, or problems not sorted out yet. Sometimes it's just the sales guys who don't un
Electronics Forum | Mon Dec 19 10:23:47 EST 2005 | DannyJ
Hi Grant, Here's one paper I came across for a customer of ours, seems they had heard that pb-free bgas cannot be done in pb paste. http://www.leadfreemagazine.com/pages/pdf/Clech_APEX2004_Paper-final.pdf I have another from a swiss lab that did
Electronics Forum | Wed Jan 04 15:10:27 EST 2006 | grantp
Hi, That's the main problem. I quickly checked out the motorola document, and thanks for posting that, but the main reason for failure seems to be that the ball is not touching the solder pad. I wonder what kind of ball size tolerance they had on th
