Electronics Forum | Sat Jun 10 07:27:24 EDT 2006 | davef
Chuckie: SM4007A Diode case is D0-214AC G. Eisner: On tombstoning: * Check reflow profile * Pads per IPC-SM-782 * Reduce amount of solder paste * Check component solderability * Place component accurately * Search the fine SMTnet Archives for backgr
Electronics Forum | Thu Jun 29 04:34:22 EDT 2006 | Rob
Just because someone has great equipment doesn't mean they are any good at assembling quality boards. By all means check out their current capacity & contingency plans, but also assess their competance levels & output quality. Set a cunning trap fo
Electronics Forum | Wed Jul 26 22:47:14 EDT 2006 | seth
I have problem with RV/D axis counting error. I have tried several things, but it just doesn't help. These are the things I had tried 1. Check all 12 segment for dirty. 2. Check DP motor for proper operation. 3. Replaced reader. In order for me to pe
Electronics Forum | Tue Aug 01 16:21:32 EDT 2006 | tonaxel
Hallo Paul, ...I was too fast with my writing and haven�t check it before posting. The machine is from 97�. I already contacted the local Mydata dealer here in Germany. They will send an engineer for checking the machine and let me know what I nee
Electronics Forum | Sat Dec 30 00:02:10 EST 2006 | Mats
Hi, A couple of another things is to check: * The cooling water supply (assuming that your oven has this feature). * The fans (Just open the hood and check if every fan, up & down is running). * Open the back panels: and you should see some "black"
Electronics Forum | Wed Jan 31 14:58:13 EST 2007 | pr
Is it the same nozzle every time? I would check that the shaft is hitting dead center (it could be binding)on the nozzles (especially if it only happens on 1 nozzle). Also check the rollers on the shaft (that hold the nozzle) and make sure they line
Electronics Forum | Fri Feb 09 01:41:46 EST 2007 | Muhammad Haris
CHECKS FIRST that your BGA doesn't tilt from pick & place machine. SECOND lead free paste have some problem that it solder the component whereever pick&place put the component while solder pastes having lead, put the component on its PCB pad like a
Electronics Forum | Thu May 03 15:48:56 EDT 2007 | geb
Hi, We run a profile check each time we load a recipe. This ensures that the correct settings have been used for the job. It also gives traceability in the event that you need to prove whether or not the oven temperature was the cause for failed pro
Electronics Forum | Mon Aug 13 10:00:18 EDT 2007 | ed_faranda
Might want to check to see if the weight of your part has increased. If it has increased, you may not have enough surface tension to hold the part on the board. I am assuming you already checked that the component isn't getting hit by something in
Electronics Forum | Wed Aug 22 11:58:11 EDT 2007 | ev
Thanks for all responses really good feedback. I have placed a number of extra supports underneath each pcb in the panel and by checking each print diligently we seem to be able to keep running. Not feaseable at the moment to check out leaded paste o
