Electronics Forum | Thu May 14 15:51:24 EDT 2009 | dnachristen
I've gone round and round on this very subject with our manufacturing engineer. He prefers to use panel fiducials and I prefer board fids. I've seen the result in placement from bowed PCB's in the machine. Skewing the board a fraction will throw off
Electronics Forum | Wed May 29 19:00:08 EDT 2002 | russ
Have been seeing a pretty fair amount ourselfs. it seems to come and go. Couple of questions 1. Are the parts shifting to one side during reflow? 2. is it true non wetting to the component? I have been experimenting with different pad geometries a
Electronics Forum | Thu Jul 21 11:13:11 EDT 2005 | Scott B
Have you tried running the machine in stepper mode (Ctrl+S). This will allow you to hold and view the machine at each stage of the placement cycle. This may help determine if it is false placement, vacuum or kiss-off. We find this useful when trying
Electronics Forum | Mon Jun 07 15:54:56 EDT 2010 | thanh
ECLIPSE-II After calibration, now i'm having an issue that placement between lazer and camera off about .5mm on the Y mount. if parts go to camera, the placement are good. but parts that placing with lazer it off about .5mm at Y for all rotation. do
Electronics Forum | Sun Oct 04 08:07:53 EDT 1998 | jvo
| I am experiencing solder paste comtaminatin of nozzels on 0603 size components resulting in missing components. The machine is failing to alarm under these circumstances. Has anybody else experienced this problem & found a solution? | Check if you
Electronics Forum | Fri Jan 30 12:57:19 EST 1998 | Rin Or
| We are facing some placement problems with | our QUAD 4-C. | Program was running fine last week, Next week | program will be off (placement, pickup,vision files | etc, | Any help, any idea,??? | Thanks This could cause by the xy table clamping.May
Electronics Forum | Thu Jan 29 23:07:37 EST 1998 | Scott
| We are facing some placement problems with | our QUAD 4-C. | Program was running fine last week, Next week | program will be off (placement, pickup,vision files | etc, | Any help, any idea,??? | Thanks I had the same problem on a trio of Quads at m
Electronics Forum | Mon Feb 18 08:30:28 EST 2002 | jax
Wolfgang, Billboarding is kinda like a tombstone. The part is just sitting on it's side instead of on it's end. There should be plenty of info on this in the archives under billboard and tombstone. Most likely cause is off center placement and ov
Electronics Forum | Tue Feb 07 05:41:20 EST 2012 | ngineer
I've got an issue, i can't seem to figure out. I think I need to apply a global offset to all my placements for some reason, and I would like to know why, before I do it. nozzles work, picks seem ok, but the placements are off by about 1/2 the widt
Electronics Forum | Fri Mar 24 10:26:45 EST 2000 | Russ
Sal, Interesting problem, I have found that W.S. pastes tend to have a shorter tack time in real life than what is advertised. Usually the manufacturers specify tack time as after placement let the board sit and then turn it upside down and see if
