Electronics Forum | Thu May 26 15:13:47 EDT 2016 | bobpan
If there is dust (on the glass) off from the center of the lens it will add it to the part when scanning it and place off. I have ran into this twice.....I fixed it once by breaking the lens on the quad align and blowing it out.....another time I hel
Electronics Forum | Sun Sep 05 14:34:37 EDT 1999 | JohnG
We are using some Fuji machines and have trouble picking parts up from damaged or mis-adjusted feeders. When I was working with Panasonic machines I was able to buy a feeder alignment jig from them to align the pick spot in the feeder, but Fuji doesn
Electronics Forum | Wed Sep 08 19:23:37 EDT 1999 | Steve E
| We are using some Fuji machines and have trouble picking parts up from damaged or mis-adjusted feeders. When I was working with Panasonic machines I was able to buy a feeder alignment jig from them to align the pick spot in the feeder, but Fuji doe
Electronics Forum | Tue Sep 18 18:36:59 EDT 2001 | mparker
... and don't forget proper stencil alignment. Invariably I find most bridging problems for fine pitch parts, etc. is caused by lousy alignment. The alignment must be verified under magnification, using the naked eye is not good enough. Use at least
Electronics Forum | Mon Apr 26 08:15:37 EDT 2004 | pjc
MPM uses a one-print-Mylar system, as do other printer mfrs. In this system there is a Mylar sheet attached to a frame that is secured over the printer table with the board on it. You print onto the Mylar. The table X-Y-theta manual adjustments are u
Electronics Forum | Mon Feb 21 13:35:04 EST 2005 | pmdeuel
we have a HSP 4796, and have had placement issues with 0402's. If you can rule out global correction, rev'ed boards and a loose nest or a lack of support under the board. Look at placement before reflow. If alignment problems are present before oven
Electronics Forum | Thu Aug 16 14:29:00 EDT 2012 | bobpan
Sounds to me like a dirty quad-align. If you have cleaned the lens and have the same results then you may have dirt on the inside of the quad-align. The only fix is to replace it or blow it out with an air gun. Unfortunately it is not easy to tell if
Electronics Forum | Mon Feb 04 11:01:44 EST 2013 | bobpan
The way its supposed to work...is....when you do a function 30 the z axis should step down until the nozzle tip is seen in the quad align or laser align. The readout should have a nozzle height but if its the earlier firmware for the machine it might
