Electronics Forum | Fri Jul 16 17:39:33 EDT 2010 | deanm
It is a PCB design issue where the copper patterns are not balanced among the layers. Baking the boards in order to correct the warpage will not improve it. We've had a problem with one bare board in particular warping the same way from two differen
Electronics Forum | Tue Aug 30 11:13:23 EDT 2011 | markaustin
Hello Bill A colleague here at ACW just told me about your question and as we have a few of these machines I feel that I'm in a position to answer you. Prior to 2007 we only used DEK265 (GS & GSX) machines and these we getting a bit old and passed
Electronics Forum | Mon Dec 05 09:04:25 EST 2011 | haiae
I just buy a used Contact 3AV machine. Afer fixed some things I think the machine can be ready to run and in fact for first time the machine power up, pass all self testing, homing is done, moving of table, heads, actuator is good, pneumatic function
Electronics Forum | Wed Apr 11 00:40:19 EDT 2012 | ngineer
I have a problem setting up the LAE on my Quad 4c. I set it up for 0805, and it seems to work, although it rejects a lot of parts, at least it places "most" of them. I tried setting up on a soic14, and could not get even one to pass. I believe I h
Electronics Forum | Sat Apr 21 04:39:45 EDT 2012 | brotakul
I am using different equipements for SPI such as Koh Young and Cyber Optics machines. I am looking for implementing a general procedure (SWP) for setting LSL's and USL's on the products on which the customer does not specify any limits on the solder
Electronics Forum | Fri Sep 07 16:10:07 EDT 2012 | ericrr
HO what a BIG twit I am, for wasting your time (and a few hours myself trying many options on google). It is not EG84 it must be E684, (I will have another look next time I go back to work) you see I know the value, I thought it was a new secret co
Electronics Forum | Tue Jul 16 13:08:24 EDT 2013 | ericrr
I seem to of slipped into a mighty giant suction cup, and every day is the same. Now take yesterday as I was making a sample the start of run board, we have run many times. it got halfway placing diffused LED's 3216 (about 1207 size) then is stoppe
Electronics Forum | Sun Sep 07 20:51:52 EDT 2014 | natashakt
1. Is the high RH environment consistently at 72% RH and 21.4 degrees Celsius? No, over the past 2 weeks I have recorded the highest at the moment: 67% RH at 22.6 degrees C and lowest (it is Spring not summer yet): 31.9% RH at 19.0 degrees C. Or d
Electronics Forum | Tue May 05 11:05:53 EDT 2015 | billmeye
Brian, thank you for taking time to discuss your buying experience, I read your link and it was very thorough. I also work for a small CEM using Mydata equipment. We have had Mydata going back to 1998 but truely are looking for something simpler. F
Electronics Forum | Thu Aug 27 11:18:05 EDT 2015 | dyoungquist
From your description I am assuming you are doing double sided reflow and parts are dropping off the bottom side when the board is run through the reflow oven the second time. A few ideas to try: 1) Are the parts that are dropping off heavier parts
