Electronics Forum | Fri Aug 22 15:27:13 EDT 2008 | wayne123
this is the order that I use. 1. Teach pcb origin 2. Teach fiducial location 3. dial in vision on fid in mark info. 4. go into mount and verify that the primary image is on in x/y (after perfoming a teach trace condition) and then do any offsetts if
Electronics Forum | Fri Feb 06 03:56:47 EST 2004 | JaMi Smith
BGAs and QFPs packaged in Trays are oriented with Pin 1 or corner A1 oriented towards the Pin 1 identifier on one corner of the Tray, which is usually identified by a chamfered corner. The Trays themselves are usually governed by JEDEC Registered Ou
Electronics Forum | Tue Sep 02 18:49:05 EDT 2008 | jlawson
Juki machines generally are great machines for reliablity and maintaining overall accuracy as they have full linear (mag-scales) encoders on XY axis and self calibration features. Laser centering has its pros and cons - mostly pros, but can have iss
Electronics Forum | Mon Dec 17 11:55:08 EST 2007 | chef
I recently had the same problems, solder bridges on every thing I made, different customers boards, etc. I wave with no-clean flux. As I sorted out problems (pin holes, blow holes, splatter, etc.) I found a lot of variable factors. I changed flux,
Electronics Forum | Mon Oct 23 06:50:06 EDT 2017 | spoiltforchoice
For package shapes/names I would recommend using manufacturer names. This is much safer than coming up with descriptive names like QFN32_5x5 as there are multiple 5mm 32Pin QFN shapes even when pitch is the same, this makes it safer to use a name in
Electronics Forum | Mon Jul 19 12:37:15 EDT 1999 | Wolfgang Busko
| | | | | Hi, SMTASSY | | | | that�s what we do, soldering our double-sided-finepitch-BGA-and all-the-other-stuff-boards in vapourphase because it�s the only thing we have. | | First, we do not do real series produktion, only prototyping up to som
Electronics Forum | Tue Jul 20 05:29:14 EDT 1999 | Wolfgang Busko
| | | | | | | | Hi, SMTASSY | | | | | | that�s what we do, soldering our double-sided-finepitch-BGA-and all-the-other-stuff-boards in vapourphase because it�s the only thing we have. | | | First, we do not do real series produktion, only prototypi
Electronics Forum | Thu Nov 11 20:33:05 EST 1999 | Dave F
Michael: DIGITIZING BOARDS Yech!!! ScanCAD 303.986.7707fax7631 makes a Xerox copier-like thing to copy your board. But why not consider: 1 There are service bureaus that will scan and convert your boards. 2 Why don't you get the gerber data fr
Electronics Forum | Sun Nov 26 01:50:32 EST 2017 | alexeis
Hi Ivan, Our solution works with 3 type of data with XY: 1. CAD - the best choice but, as you mention, I isn't available for all products. From our experience, it is available in 30%-50% of products. 2. IPC - This file available in 80%-90% of produc
Electronics Forum | Fri Jan 22 15:48:14 EST 1999 | Chrys
| Hello, | | I will be evaluating and qualifying two equipment types. The first is a fountain soldering device. I need practical advice on all the stuff you guys and gals know about as good, bad, ugly, best applications, setup, limitations, and all
