Electronics Forum | Fri May 14 09:34:18 EDT 2010 | lockj69w
This procedure is from UIC's knowledge base. TO run Diagnostics on AISI 3500 vision. Use of this procedure will require reloading of vision executive once complete. 1. verify PC1 COMM2 is connected to COMM2 on the RADISYS board in slot 1 of VME chass
Electronics Forum | Thu Sep 16 18:43:57 EDT 2010 | slwolbert
Hello Daxman, Thanks for the input. Yes, the CP2 is closely related to the CP4 and does have the analog servo amps as you deduced. I did a wiggle test on the connectors and found that the x-y-r servo amp alarmed right away and blinked the x axis a
Electronics Forum | Mon Mar 21 02:41:29 EDT 2011 | kemasta
Hi It's me again. Our products need to pass a chamber test 45c/36hrs after the PCBA completed batch of functional tests and assemble in to case. We found 1 unit was functioning for 24hours in the chamber, but hang after that. We tried to re-boot the
Electronics Forum | Fri Apr 15 13:25:40 EDT 2011 | tsvetan
agree, if you have fine pitch components the placement rate will be much less of what you see in the catalogues as they quote 0805 components placemen rate. I have one year log for one of our machine which is quoted to be 6400 cps and for one year a
Electronics Forum | Wed Jun 08 10:57:20 EDT 2011 | pcbrookie
We recently got our last BGA X-Ray results back (no X-ray in house yet) and had more than one board/BGA look like the attached image. The balls on one corner are completely collapsed (so much so that bridges appear) and raised on the opposite corner
Electronics Forum | Wed Jun 15 22:27:40 EDT 2011 | pkamath2
Hello, My company recently installed a Positive Displacement Pump on a GSM Pick @ Place machine for dispensing chipbonder (loctite 3621) dots before mounting chip components. The head uses Universal stand nozzles (single port-small dot, dual port 0
Electronics Forum | Fri Nov 04 22:12:57 EDT 2011 | machinehead
I know what you mean but have never found a tool > that would do this sufficiently. For higher > value parts you should keep them in a bag for the > next time you run a job that uses that part and > hand fit them. > > The nature of the feeders
Electronics Forum | Thu Nov 17 15:57:41 EST 2011 | olddog
Hi Bobpan, Regarding "second", the results of the test are no difference - still rejects the part. I tried 2 mils, 3 mils, 5 mils, 7 & 9. I changed the tolerances fron about 15% to 20%+. By the way, I did put on the new nozzle and it is still the sa
Electronics Forum | Thu Nov 17 17:44:19 EST 2011 | bobpan
Tim, 1. You dont need the vacuum verify if the quadalign is working properly. If you have the part quad-aligned and dont have alignment type at 0 it will never 'not' place a part. More or less...the vac verify was needed for the chucking machine (3c)
Electronics Forum | Mon Feb 20 23:01:05 EST 2012 | davef
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