Electronics Forum | Fri May 06 07:29:55 EDT 2011 | leemeyer
You got it. You are aware that Quad defines the theta by steps. 0 = 0, 90 = 6000, 180 = 12000 and 270 = 18000.
Electronics Forum | Wed May 03 03:08:48 EDT 2000 | greg
If I have four PCB's in a Panel with four different angle of rotations (0, 90, 180 and 270 degrees). What would be the formula for my Offsets? I am trying to compare our techos method of programming the Chip Mounter as I noticed that he can't have th
Electronics Forum | Mon May 14 10:57:08 EDT 2018 | Robl
Hi Ivan, We use a strong double sided tape/sheet. I would be concerned with an adhesive as it would still be curing going through the machines, gassing out vapor. The double sided works OK with our 0201 test board - 16000 placements in rows at 0,9
Electronics Forum | Wed Aug 29 11:22:11 EDT 2007 | gmoritz
Thank you for the answers to my questions. We are running two-lead LED insertions. Most of our PCBs are square between 9" and 14.25" in a 16 x 16 array, so pitch ranges from 0.52" to 0.90". Further complications are that most of the boards have th
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 Feb 22 12:04:15 EST 1999 | Dave F
| Please could you suggest a recommended aperture sizes for | printing of smd adhesives. Any recommendations on stencil thickness as well as stencil finish will be appreciated. | Mark: About the only rule of printing adhesives is: Keep it off the
Electronics Forum | Mon Dec 13 00:48:33 EST 1999 | armin
Hi All I have a 0.7 mm diameter hole for vias, what�s the minimum annular ring for this hole diameter? What�s the term unsupported and supported holes refer to in IPC-2221 9.1.2 Annular Ring Requirements? I have a proto-type PCB (designed by our R&
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