Electronics Forum | Sat Sep 27 09:32:36 EDT 2003 | mantis
All, I was wondering what causes the corners of a bga to lift during reflow process.Now just to clarify i have been running this one particular product for 4 years and i have the process and reflow profile down to a tee.But recently i have witnessed
Electronics Forum | Mon Sep 29 02:35:28 EDT 2003 | Sam
Hi Mantis. Has there been any changes in the BGA itself? One of our BGAs changed to a newer type, and after that we had problems with corner lifting. In that case problem was BGA's structure, there was mismatch in TCE between BGA's substrate and mo
Electronics Forum | Tue Mar 01 04:25:48 EST 2022 | shrikant_borkar
Dear Members Please help me to support to one of my client does not have co planarity in his SIPLACE D1i Pick and place machine. We would like to understand why this Lead lift up issue has passed thru pick and place.? Is there any method by keepin
Electronics Forum | Mon Sep 29 08:24:26 EDT 2003 | davef
Look here: http://www.smtnet.com//forums/index.cfm?fuseaction=view_thread&CFApp=1&Thread_ID=6405Message25582
Electronics Forum | Mon Sep 29 16:14:34 EDT 2003 | mantis
DaveF, Thanks for the link very helpful and informative. I have got in contact with our part vendor on recomendations. Regards, Mantis
Electronics Forum | Tue Sep 30 20:59:40 EDT 2003 | Dean
Have you verified the thermal profile recently? I would start there and verify your process has not shifted. It does happen.
Electronics Forum | Thu Mar 03 03:54:38 EST 2022 | gary_sastrillas
The only way can detect, play around with your vision teaching with the component. and adjust the pin tolerance.
Electronics Forum | Wed Mar 02 04:47:41 EST 2022 | shrikant_borkar
Dear All Hopefully you got the situation on SIPLACE D1i and SIPLACE D2i. Pickup up Place machines. Is the lead bend upward of SMT transistor detection is possible on this machine? If not is it possible to get it detects by optimising it's windows.
Electronics Forum | Wed Jun 07 17:58:27 EDT 2023 | linux
are the ics jumping in the tray. if not seated correctly the lead lift at pickup. mostly lift lead causing by handling.
Electronics Forum | Thu Oct 15 10:21:30 EDT 2015 | azdback
troubleshooting a table lift error on MY12. Error code: F-MOT_Releaseboard conveyor lift/1304. Basically, the table got stuck on the up position. Also bench tested both lift motors and they are ok.Rotated the lift motors manually to test the encoder