Electronics Forum | Wed Apr 29 17:43:14 EDT 2009 | smt_guy
I have a Product with 2 Different PCB Fiducial allocation in the Design. It has 4 Fine Pitch components. The first PCB DO NOT have Fiducial Mark on the board itself BUT has Fiducial on the Break-OFF Tabs. The second PCB has no Break-Off Tab but has f
Electronics Forum | Tue Nov 14 03:00:14 EST 2000 | sarry
I have one suggestion why don't you align all parts and take a close look at it if you can find any misaligned component after that. IF SO, that's machine's repeatibility problem.(or mechenical problem-dirty nozzle, wrong pick up and placement height
Electronics Forum | Thu Dec 02 23:43:23 EST 1999 | Kantesh Doss
We have a serious misalignment problem of D-Pak components (Specifically Motorola's part number MJD-3055/MJD-2955)following reflow soldering process. We are using Alpha Metals UP78 solder paste. Our reflow oven is Nitrogen inerted and our oxygen leve
Electronics Forum | Sun Aug 02 12:24:23 EDT 1998 | Bob Willis
Sorry all the parts I have processed are just like standard BGA just swing back into possition unless they are placed off the pads and touching the next pads. All my parts have had heat sinks and are the same weight as PBGA. Are your parts light. If
Electronics Forum | Thu Dec 08 11:50:40 EST 2005 | Stefan
If you mention mis-alignment and missing component in the same sentance, I suspect the component is not properly released after placement. Assuming the Juki machines use an air blow, after vacuum shut off, than I would look at a correct air flow firs
Electronics Forum | Tue Dec 06 19:44:10 EST 2011 | comando
Hello every one! I need help with a misaligned theta at plcc44, the machine is a IP3 smd3, firmware 2.99, vision card 4400 and both camera type YD2048N on label but in Proper data is set 2 (I don't know if this is right) we use Fuji flexa, Back Lig
Electronics Forum | Wed Sep 26 07:40:30 EDT 2012 | highmillr
I had this problem at another plant with the UP 2000....When the machine resets, The left and right side of the conveyor misaligns, causing the conveyor to be tight on the loading end and boards falling out of the unloading end. or vise versa...the t
Electronics Forum | Fri Sep 06 05:09:13 EDT 2013 | bobpan
Mod code 69 in early firmware versions was laser align part size addition but in later versions is was laser intensity.....if its set to 0 try it at 250 and see what it does....if this doesnt work....set it back to 0. It seems that when you put somet
Electronics Forum | Mon Nov 20 12:36:42 EST 2017 | emeto
Hi, there are several things that I see here. 1. Part is saying misaligned on the top blue bar and missing on the initial list. 2. Part is neither misaligned, neither missing - it is wrong value. 3. How is your part thought? How many inspection wind
Electronics Forum | Sat Nov 11 19:07:34 EST 2000 | George
Hi Jax, CAD Software is Protel and the machine is Yamaha YM84 Hyper Series. thanks
