Electronics Forum | Wed Aug 07 17:00:04 EDT 2019 | davef
I agree with Chariem. Take a look at this thread [posted by the same author as this thread] on SMTnet: Component Skew during Reflow Process [ https://smtnet.com/Forums/index.cfm?fuseaction=view_thread&CFApp=1&Thread_ID=22131&mc=7 ] The
Electronics Forum | Wed Aug 03 13:04:04 EDT 2022 | proceng1
My initial thought is that the part is slightly delayed in releasing. When you are running one head, it doesn't matter. But when running multiple heads, the machine starts to move to the next placement before the part has fully released from the noz
Electronics Forum | Sat Sep 25 09:00:44 EDT 1999 | John
| I am developing a DOE for evaluating SMT adhesives. I would like to evaluate 3 different vendor dispensing adhesives. I currently have the Heraeus PD955M and the Loctite 3609 and 3618 selected for evaluation. I would like to add another manuf
Electronics Forum | Fri May 21 15:23:24 EDT 1999 | JohnW
| | Has anyone had any experience or data using vibration during the reflow process. | | We introduced a vibration device attached to the fixed rail on a Vitronics reflow oven. The reason was to prevent skewing on large PLCC devices. The process work
Electronics Forum | Fri Apr 18 13:47:19 EDT 2003 | davef
Brian What did we recommend? We just gave you a link so that you can see how to get your pictures on-line, so that we can see what�s going on. Anyhow, if we understand what you saying, [We're slow today. So, please be patient.] your situation is:
Electronics Forum | Tue Jul 20 12:49:38 EDT 2004 | mmjm_1099
We are having a problem with our Heller 1800W oven with certian parts skewing. It seems that some inductors and taller Can caps are shifting around in the oven. It seems it will solder fine and than all of a sudden just be off to one side or the othe
Electronics Forum | Fri Mar 09 18:32:29 EST 2007 | siverts
We have seen this issue with our RoHS process also. If that is the case and I if understand you correctlcy; then the advice from KSimpson, Stephen, DaveF + "all others" is totally correct!! We have been under this problem a numeruos numbers from time
Electronics Forum | Sun Mar 18 23:01:11 EDT 2007 | diesel_1t
Hi there, I want help on the following issue. Where I work, we place a component QFP 256 terminals (20 mil pitch)from hitachi (renesas), we use a MPM UP-3000 screen printer, IP-III placement machine and Vitronics 8 zones reflow Oven. lead plating
Electronics Forum | Tue Mar 20 00:02:00 EDT 2007 | Darby
Some causes of skewing. If you have exhausted all mechanical problems for that head. Pickup data from tray is incorrect. If you aren't picking up in the exact centre it is possible that the component is being skewed after vision adjustment i.e. cent
Electronics Forum | Mon Jan 08 17:46:38 EST 2001 | Mark Krmpotich
Panasonics are good machines as long as you do the proper and timely PM's they recommend. Plus with my past history and from others that I here, their feeders are some of their biggest down fall. That's typically why they have to introduce new style
