Electronics Forum | Fri Jun 04 21:21:04 EDT 2004 | johnwnz
Hey folks, time to put the collective brain into motion. I need to source a conformal coating machine for some medium volume production of assorted PCBA's. I'm looking for something that's easy to program, accurate, good running costs and all that g
Electronics Forum | Mon Jun 14 21:02:50 EDT 2004 | hap
it is not practical to target an exactly 1 mil film thickness, the materials manufacturers do not give an exact solid content figure but only a target range. temperature and batch preparation also play a small role. You could probably target 1 mil p
Electronics Forum | Mon Jun 07 17:58:12 EDT 2004 | Rob
UPDATE: Just for fun... I sacrificed a scrapped board to determine what remained and what fell and this is the result. Board dimension was 18"x9" and .9" thick. Components consist of hundreds of passives plus 386 proc (QFP256), TSOPs, SOLs 14/16/20,
Electronics Forum | Mon Jun 07 17:43:42 EDT 2004 | russ
Doing a little poll here. How many of you are using lead free paste and what type/brand are you using. We are using Alpha OM338 SAC405. I am not liking it very much so far. It seems to be too viscous. It is definitely the thinnest stuff I have e
Electronics Forum | Fri Jun 25 13:00:48 EDT 2004 | haviland
Hi--We deal in used and recond. equipment in the Midwest, and have available a 1999 Amistar #7100FV w/ a nice complement of feeders, (6) pick up heads, rated component placement at 18,000 pph. Does .0402's, .3 BGA w/ 20 mil pitch, Full vision system,
Electronics Forum | Tue Jun 08 07:10:54 EDT 2004 | davef
Not quite what you seek, but as close as you're going to get ... 9850-K - Surface Mount Placement Equipment Characterization - KIT (Hard Copy & CD-ROM) ANSI Approved This standard has been developed to standardize the parameters, measurement proc
Electronics Forum | Wed Jun 09 16:54:24 EDT 2004 | Ralf
Hi all I have a question to all of you who has experiences with Microflex MPM. There are two items: one is on contact calibration and second squeegee pressure calibration. Do i have to if i set PCB make these calibration?. Does Microflex have mechani
Electronics Forum | Tue Jun 29 13:42:20 EDT 2004 | sigmaprint
You will need to set the contact and squeegee zero calibration every time you set up a new product, we do this because the thickness of the substrate (pcb) can change between product and this will effect these calibration settings. The machine does n
Electronics Forum | Fri Jun 11 18:01:48 EDT 2004 | davef
Bob: This links to a good discussion on scoring by George Verboven. [It discusses "keepout", but doesn't address your question, because George's "keepout" is not the same as yours]: http://www.tkb-4u.com/articles/other/vscore/vscore.php The infor
Electronics Forum | Fri Jun 11 03:50:39 EDT 2004 | Scott B
We currently have an issue with via's in pads which we have been living with for some time. The problem has now escalated with the need to increase the via hole size to achieve PCB fabricators aspect ratio's. We are now not only experiencing solder d
Manufacturer of PCB depaneling and PCB soldering machines since 2005, products include CE approval V-groove PCB depanelizer, PCB router, PCB punching machine, laser depaneling, hot bar soldering machines and soldering robots.
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