Electronics Forum | Wed Dec 08 09:53:23 EST 2010 | fönsi
Hello Because of the cold weather, we had some troubles with drying out of printed solder paste on the pcb's. The relative humidity in the air declined below of 20%. We have a process window of store the printed board for maximum 24 hours, but with
Electronics Forum | Thu Dec 09 10:40:45 EST 2010 | grahamcooper22
MSL 3 means you can have the devices open for a maximum of 168 hours in an atmosphere of less then or equal to 30 C and 60% RH. If the humidity is less then 60% then it means the devices will absorb less moisture in a given time, but even at 40% RH y
Electronics Forum | Tue Dec 21 17:56:13 EST 2010 | stepheniii
Am I reading your post correctly? You will print PCBs and not populate them until up to 24 hours later? And you can assemble level 3 components at 30C and 90% humidity, you just have to pro-rate the exposure time. (I don't recommend having those con
Electronics Forum | Fri Dec 10 02:40:07 EST 2010 | tpappano
Hi Jeff, There is a visible roughness in the groove in the front most six to eight inches of the screw, and this is where some noise is produced when operating. I called Assembleon once looking for another part, and they flatly offered no support a
Electronics Forum | Thu Dec 16 20:00:53 EST 2010 | jeffr
Tom, If you need the parts... I can quote and supply them.. A good tradesman can change these parts. You do not necessarily need a Yamaha trained guy to do it. The only issue issue after the exchange of the parts is calibration of the machine, which
Electronics Forum | Thu Dec 09 08:24:28 EST 2010 | toddl
Hi All, We are currently looking into purchasing a new SMT line to meet our production needs. We want everything new, from the board loader to the reflow oven. I am looking for real world pros and cons of our proposed choices. All the equipment in t
Electronics Forum | Thu Dec 09 13:22:24 EST 2010 | rodrigo
Hi All, I'm trying to use the F4G CP-4 optimizer. I cleared all the issues I was having except for this error I get at the end: Execute, 2030: Cycle Time table file not found I see a file in one of the folders named CP4_CYC.TBL but I'm not sure if
Electronics Forum | Thu Dec 09 19:05:45 EST 2010 | alexmiri
At the company I work with we have some Phillips Sapphire and Emerald machines, I work at the IT department, Production is asking me if there is a way instead of using floppy's put a converter and use USB, or even better is there a way to put the mac
Electronics Forum | Fri Dec 10 12:24:46 EST 2010 | davef
Causes of dewetting in conformal coating. Factors that influence dewetting usually involve non-ionic contamination such as: * Residues from board manufacture including silicone surfactants from solder resist & HASL rinse contamination * Component res
Electronics Forum | Tue Dec 14 11:05:43 EST 2010 | baildl632
We just received a Paragon 150 oven for production. We hadn't used it a week and we're getting "Top Blower Fail " alarm. I have checked all the top blower fans and they all are running. Can someone help as to why we're in alarm yet all the blowers ar
