Electronics Forum | Wed Sep 01 08:16:55 EDT 2010 | sachu_70
Drill holes or tooling holes have higher tolerances than Fiducial marks during PCB fabrication. I would certainly recommend Fiducial recognition as a more reliable approach for better accuracy. You could re-calibrate the Vision system file used for
Electronics Forum | Tue Jan 24 12:39:24 EST 2023 | linux
Hello MagyarT, Software that Combines data from Kohyoung AOI,SPI and panasonic assembly machines YJLINK conveyors to track back quality root causes of defects -See real-time OEE on your panasonic lines at each location -Drill-down on SMT bottlenecks
Electronics Forum | Fri Sep 04 09:33:40 EDT 1998 | Stefan W.
| I need advice for locating 23 Gull wing LED's (all in a straight line) in the x,y, and z axis for a SMT PCB. It is a Hewlett Packard LED (P/N HMLA-QH00-01). The application uses a CCD to detect the position of a ball which floats in a resevior fo
Electronics Forum | Thu Jul 27 21:45:34 EDT 2000 | Dave F
Alan: How are these boards finished for you? Have they been drilled and you "just" need to singulate them? Or do you need to drill them? Drilling equipment and services: * Laser Precise 200 Perimeter Park, Suite A Knoxville, TN 37922-2230 800-87
Electronics Forum | Mon Oct 06 15:04:25 EDT 2008 | hussman
Brick (if that is your real name), Placement machines use centroid data to place parts. Generally this is derived from the "copper" that is etched on the board. Thus why we use the fiducials for alaignment. During board manufacturing, holes are d
Electronics Forum | Fri Oct 10 17:27:10 EDT 2008 | wagoner
We have several similar parts in our factory and they usually don't give me any problem. One part has a 0.050 pin that goes into a 0.055 hole, and we place it with Panasonic MSR turret style chip shooter, which has a placement accuracy of only +/- 0
Electronics Forum | Tue Aug 17 10:32:19 EDT 1999 | Boca
| | | | Ladies and Gentlemen, | | | | | | | | As a newly appointed DFM/CE "guru" here, one of my responsibilities has become repair (of course). As I have some knowledge of BGA repair/rework using semi-automated equipment, it naturally follows I wou
Electronics Forum | Tue Aug 17 10:35:52 EDT 1999 | Boca
| | | | | Ladies and Gentlemen, | | | | | | | | | | As a newly appointed DFM/CE "guru" here, one of my responsibilities has become repair (of course). As I have some knowledge of BGA repair/rework using semi-automated equipment, it naturally follows
Electronics Forum | Tue Aug 17 10:48:16 EDT 1999 | Earl Moon
| | | | | | Ladies and Gentlemen, | | | | | | | | | | | | As a newly appointed DFM/CE "guru" here, one of my responsibilities has become repair (of course). As I have some knowledge of BGA repair/rework using semi-automated equipment, it naturally f
Electronics Forum | Tue Aug 17 12:34:33 EDT 1999 | John Dwinell
| | | | | | Ladies and Gentlemen, | | | | | | | | | | | | As a newly appointed DFM/CE "guru" here, one of my responsibilities has become repair (of course). As I have some knowledge of BGA repair/rework using semi-automated equipment, it naturally f
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