Electronics Forum | Fri Nov 18 16:26:17 EST 2011 | olddog
Hi again Bob, I checked the theta motor coupling and the set screws are definately tight. I noticed that the theta motor drives an snti-backlash gear (nice design) so there is no play there. It appears that the gear drives a slotted shaft which is d
Electronics Forum | Fri Nov 18 17:10:23 EST 2011 | gosswald
1. What version ap and central controller? AP 5.31 CC 7.54 2. What version of windows? Windows 95 3. What size are your vision models? 50 mil circle 150 mil search area. 4. What options are selected in teach fiducials......globabl fiducial cor
Electronics Forum | Fri Feb 11 18:51:16 EST 2005 | primus
The operators use SET SEQ and SET SEG. I know all about getting these wrong, because if you forget the "Q" or the "G" you get SET SE which is SET SENSOR. That REALLY messes up our BEC! But then again, I believe our BECs are all calibrated wrong anywa
Electronics Forum | Sat May 31 14:33:59 EDT 2003 | kenBliss
CAL Here is another perspective. Ask what is included in the setup costs, ie. programming, stencils, setting up part number bins, bill of materials, changeover time on the line etc, etc. Then ask how much time and costs the CM is allowing for each
Electronics Forum | Fri Nov 18 09:21:41 EST 2016 | sumote
Lazy operators empowered by management. Sounds like you may have some nepotism? Since it falls to you to clean up someone else’s mess I have an idea for you. I once worked for a company that had a large wash sink with a hand sprayer very similar to
Electronics Forum | Thu Apr 11 10:17:17 EDT 2013 | ericrr
Some times the PCB manufacture sends PCB panels with bad circuits, there are three ways to make these PCB without placing parts on the bad circuit, Well two in fact plus my method. (1) Placing a light mark on a dark background (or reverse) then the
Electronics Forum | Thu Nov 17 14:33:02 EST 2011 | olddog
Thanks again Bobpan for all of your help. I hope some of my questions are dumb ones. Regarding "first", the QA error 0, you were right. In checking the setup, for some reason theta was 65227 instead of the 0 that I thought I had set. Regarding "sec
Electronics Forum | Fri Jul 16 09:03:40 EDT 2004 | russ
A couple of thoughts, 1. buy larger quantity reels and load more trays of the same P/N if your problem is replenishing the machine. 2. If you're talking about changeover I would suggest that the feeders be set up in the kitting process and deliverd
Electronics Forum | Sun Sep 07 13:33:50 EDT 2014 | horchak
Edri PCBA design and pad geometry is one of the critical factors for BGAs. Typically the pad size for collapsible balls is 80% of the ball diameter. Pad size consistency is critical. In your situation what will happen the larger pads will wick the s
Electronics Forum | Fri May 11 16:05:27 EDT 2018 | aj
questions I asked: “It seems the vision system is not reliable. However, we need to get the procedure to create and debug fine pitch parts such as BGAs anf QFN’s to understand how the machine operates.: Common errors: • Even after doing the vision t
