Electronics Forum | Tue Mar 13 09:09:23 EDT 2007 | cyber_wolf
We have been asked to provide the OEE on our SMT lines. Any examples of OEE reports that I have looked seem to be from OEM or high volume production lines. Our SMT area is high mix - high changeover. We also run prototypes and start-ups through the
Electronics Forum | Sat Jun 02 08:47:25 EDT 2007 | mika
I almost forgot; If the pcb have HASL (Non RoHS) surface finish, then big fine pitch QFP:s could be shifted during reflow, beacuse of the un-even pad-surface... We have been trough that scenario also... But step No.1 is to make sure that the componen
Electronics Forum | Fri May 01 14:39:43 EDT 2009 | jdengler
Swapping a servo amp out does not lead to an alignment issue unless the new amp is way out of adjustment. Did you do a "drift" adjustment after changing the amp? Does the axis vibrate badly while moving? More likely is someone crashed a head which
Electronics Forum | Mon Mar 11 04:57:31 EDT 2013 | bobpan
You really should edit your programs in central controller where it is much easier to follow the commands shown and to follow the extent data to see whats attached to each part/pickup. The hht can quickly cause issues when the wrong button is presse
Electronics Forum | Sat Mar 11 08:37:35 EST 2017 | tch
My company has had the same issue on our Versaflow 366 with SAC305, we tried ultrasonic cleaning and it worked for a shift and then was clogged again. We have had the machine for 3 years and we have had to replace the gassing rings twice so far. We a
Electronics Forum | Fri Apr 20 09:52:25 EDT 2018 | ushir
Hey everyone, Ive recently discovered a problem where components picked are moving on a nozzle during the vision scan. Pick and Place being used is an iPulse M7-3L. When the scan camera scans across the components, the components are shifting on the
Electronics Forum | Wed Nov 01 12:10:20 EST 2000 | Jeff
charles, i can appreciate the hand held "reel to reel" scanner as a good solution that is very cost effective. during my smt supervision days we had a number of part loading checks. 1. load plan check, 2. scan check, 3. reel to reel manual check.
Electronics Forum | Wed May 17 03:00:45 EDT 2000 | Avichai Ramot
I have shifts in the placement of qfp240 components. I have this problem with al my IC machines: Fuji-Ip2,Ip3 ,siemens F-4.
Electronics Forum | Wed May 17 11:39:31 EDT 2000 | Bob P
If the shift is happening on different machines,it sounds to me like your pcba's cad data is incorrect or the board and/or fiducials are not consistent. Good Luck Bob
Electronics Forum | Thu Jan 18 19:16:42 EST 2001 | slowe
I am having problems with D-Packs shifting during reflow. Does anyone know of a good aperture design to solve this problem ? Possibly bow tie.
