Electronics Forum | Tue May 25 13:03:35 EDT 2010 | jdumont
Hello, I have no experience with CE-1155 but a ton with 1B73. I would say Justin hit it right on the head. 1B73 does not like to be anywhere near silicone residues. We make sure the boards are handled with gloves after wash, before coat. Unfortunat
Electronics Forum | Wed May 26 13:17:32 EDT 2010 | emrtech
FYI we also found a set of centering jaws that were up for sale at http://www.mybidpage.com these were also modified and made of stainless steel. the guy a bought the jaws from also said, he would be posting more up for sale after getting them back f
Electronics Forum | Thu Jun 17 10:22:51 EDT 2010 | floydf
Last July I posted a query about reflowing leaded paste to gold plated boards, I wasn't getting a good reflow. The answer that seemed to work was dwelling the board at reflow for the maximum recommended amount of time. Would anyone have an opinion on
Electronics Forum | Tue Jul 13 13:58:50 EDT 2010 | dcell_1t
time available then you have capacity issues... most of the time downtime is not considered for "ideal" calculation, but is highly recommended to consider it. You have to consider alternatives if your capacity is over 90 % this is where you need to b
Electronics Forum | Tue Aug 03 17:45:43 EDT 2010 | swag
I used to wrench on those all the time! I really should be more help to you but it was a few years ago... A few more things to check - clean the line sensors on the back of the machine. Check to make sure you don't have a feeder that is allowing t
Electronics Forum | Thu Sep 02 08:48:44 EDT 2010 | rway
You stated, "The larger the fid dia, lesser is the accuracy during recognition." I don't necessarily disagree as far as the positioning of the fiducial in relation to the camera. In fact, I believe this to be the case and with a perfect fid, this i
Electronics Forum | Wed Aug 18 09:41:47 EDT 2010 | namruht
Are you controlling humidity in your plant? I'm > not familiar with that particular paste, but some > pastes are sensitive to a humid environment. We > also had one paste supplier send us a batch that > had excessive solder balls if the boards
Electronics Forum | Thu Aug 19 15:26:34 EDT 2010 | namruht
Thanks everyone. I have thought about the moisture in the paste a lot, but never really gave the raw card moisture any consideration. The next time we run an assembly with the issue I will try baking some of the cards once the issue shows up to see i
Electronics Forum | Thu Aug 19 22:21:57 EDT 2010 | jeffr
If you need a disk, I can get it. You only need a sample USER.MCH file. You can use the sample disc to start both the 84V and 66V but after you must set the configuration of both machines as I do not know your options fitted. You will then need to Ca
Electronics Forum | Mon Aug 23 03:12:57 EDT 2010 | grahamcooper22
Possible route causes of bridging on fine pitch ICs are; too much paste (stencil aperture wrong), poor print quality (paste smudges during printing), pcb pads not flat depending on the solderable coating, paste has poor cold slump properties, too muc
