Electronics Forum | Mon Jul 17 16:29:18 EDT 2006 | aj
Rail widths are fine. The board loads from the previous conveyor and hits the down stop and flags the sensor... It will sit there and time out unless I flag the left rail sensor. It will work properly every now and again. All sensors work fine in t
Electronics Forum | Tue Jul 18 04:05:58 EDT 2006 | EC
Hi, For the past few weeks, we been seeing solder hole after reflow and this product been running for almost a year. We had try to shorter and longer the pre-heat time, reflow time and even reduce and increase the temperature....but could not help..
Electronics Forum | Tue Jul 18 21:48:15 EDT 2006 | davef
We assume by "solder hole" you mean void. We believe void formation is driven by the thermal recipe that you've chosen to use. Search the fine SMTnet Archives for further discussion. There is a tremendous amount of current industry discussion on v
Electronics Forum | Thu Jul 20 08:52:10 EDT 2006 | Chunks
Is there silk screen on the pads? Other than that I would look for what has recently changed. Running smooth for a year and now all the sudden a problem. New microscopes always seem to do this trick as well. Amazing all the "defects" one can fi
Electronics Forum | Tue Jul 18 05:39:25 EDT 2006 | rocko
Hello all, After lead-free reflow process of single side assembled PCB I have a problem with a tensile strenght of SMT transformers - I can rip the parts from the board very easily. There is very good component leads wetting (optical inspection)
Electronics Forum | Tue Jul 18 11:24:25 EDT 2006 | samir
This RoHS has created a new "underworld" of brokered parts --- parts dipped in Lead-Free alloy to pass as "lead free." I could see some guy with a fur coat and feathered boa hawking lead free parts on the street: "Check it ouuuttt...I got lead free
Electronics Forum | Tue Jul 18 11:32:40 EDT 2006 | Joris Groot koerkamp
I am wondering what skills operators need to run an smd line itself. At our company they know how the pick&place machine works (refill/ changover), but if there is a problem with wrong placed components they don't known what to do. Our managmenttea
Electronics Forum | Thu Jul 20 12:09:18 EDT 2006 | Bill Csonka
John S. Bill Csonka of Photocircuits Inc. here again. Photocircuits does have the latest TS16949/QS9000 cert. that you asked about in your original posting. When I can be of assistance or when you need a quote don't hesitate to call or e mail me
Electronics Forum | Wed Jul 19 10:57:25 EDT 2006 | Rob
Depends on a number of things - such as type of oven, type of components, if you are washing the boards or not, etc. Assuming nothing special, no clean, I would try the following (in that order): Koki: S3X58-M406L Almit: LFM-48 Indium: 5.1 Cheers,
Electronics Forum | Fri Jul 21 12:08:48 EDT 2006 | fabione
Thank you so much. today i've had the offer.Siemens is the hightest. Mydata ,simulation of my products, work about 16000 19000 with 2 hydra.Siemens 18000 21000. I love change over with agilis, but now i must explain all my sensation to boosses. I mak
