Electronics Forum | Mon Aug 27 11:11:16 EDT 2012 | rway
We have 1/2 dozens 0.031 pcbs that bow after going through the oven. We are looking for a solution to this problem to prevent bowing of the pcbs. As a result of the bowing, the pcbs, on occasion get caught in the oven, and more often have transfer
Electronics Forum | Wed Jan 30 11:52:51 EST 2013 | mccabekev
We have a Nutek NTM 410L-500-1 sitting between our screen printer and p&p machine. The problem we are having is that this conveyor will constantly show board ready unless the red button is held down. What we really need is the board to stop at the
Electronics Forum | Mon Apr 01 08:09:36 EDT 2013 | babe7362000
We currently have an AOI after reflow, and I was wondering how others have thier line setup? Does the AOI operator have to get up and get a board from the oven to run, or should the SMT operator hand the AOI operator a board. The AOI operator does
Electronics Forum | Mon Apr 08 19:06:52 EDT 2013 | microaide
So my board is called 850152, and is in a folder called BRD297XX.DIR. AutoProgram generates the pick and place program (for two heads) without error. When it does, two more "boards" appear. 850152A B1 in folder BRD2C7XX.DIR, and 850152A B2 in folder
Electronics Forum | Mon Jun 17 09:52:33 EDT 2013 | sara_pcb
My circuit board contains 11 x 11 matrix 1mm pitch BGA, The device was tested in socket on evaluation Board. We handed over the actual PCB & devices for re-flow. The assembly house first re-flowed all the SMT components other than BGA. BGA was placed
Electronics Forum | Sat Sep 28 15:58:38 EDT 2013 | sonavc
Hi. 'm new to this Fuji CP3, I bought this machine in working condition ( I saw it ran, but I forgot to check the board in and out ).... Moved to my location, Problem: When the board is trying to load to the X-Y table, it passed the conveyor B but
Electronics Forum | Fri Nov 08 17:49:05 EST 2013 | davef
First, it's a surprise that your failure analysis lab thought everything was OK with these boards. They look like shit. Second, a few years ago, there was a bunch of complaints about ENIG boards with issues similar to what you're observing. There wa
Electronics Forum | Thu Dec 26 08:40:21 EST 2013 | vileo72
Hi , During one of NPI trial ,we found that boards ( CEM -1 grade )has got discolored on the masking portion ( and not on the conductors) after reflow .Although it does not impact our Form /Fit and Function characteristics , I would like to get your
Electronics Forum | Fri Jan 10 11:36:03 EST 2014 | rgduval
One thing you could check/monitor is the temperature in the pot/wave. As boards run across the wave, they will cause fluctuations in the wave temperature. The heaters should hep with minimizing this; but, if you're running a lot of boards in quick
Electronics Forum | Mon Jan 13 18:21:54 EST 2014 | vwhipple
A little confusion here. Are you running several boards in one pallet and the last boards are looking poor or is the issue getting worse as the day progresses (like as the pallets get warm)? - If it is the last boards in the pallet, then you may wan
