Electronics Forum | Thu Feb 01 07:41:01 EST 2018 | dontfeedphils
Interesting, never heard of using wax as a coating mask. Not sure how well the AR coating would hold up to a hot alkaline wash (unless you have experience with it), but that stuff usually starts to flake off/de-wet if you just look at it wrong. I'm
Electronics Forum | Wed Jan 09 08:36:13 EST 2002 | marquesj
For Pick & Place machines you have Siemens Machines, visit - http://www.siplace.com They are good machines and they have a nice support For loader and unloader you have Nutek visit, - http://www.nutekholdings.com/A5581E/hpage.nsf/Main!OpenFrameSet
Electronics Forum | Fri Jan 18 10:55:53 EST 2002 | cebukid
Okay here's what happened. We've got a "bonepile" of old obsolet profile boards with thermocouples attached. I asked the production Supervisor, could he have one of his people DE-SOLDER the T/C's, put them in a bag, and give them to me. So, what h
Electronics Forum | Wed Feb 26 18:48:01 EST 2003 | kennyg
I'm trying to solder a 0.011" lead into a 0.015" +/-0.003" hole. Stop laughing please. This is normally possible with difficulty, except if the lead is removed and the attempt is made to re-install a lead. Anyone have thoughts on how to remove nea
Electronics Forum | Tue May 27 12:53:15 EDT 2003 | davef
Our solder irons are tuned to 700*F, but the in-use temperature varies according to the solder alloy and the characteristics of the board and components. Check some of the papers on multilayer ceramic capacitors. They get fairly specific, for insta
Electronics Forum | Mon Jan 05 09:35:39 EST 2004 | ex maintain leader
Dear Sr Tech, get your spareparts in your hand and wisit SKF shop near your locations, or write out from the partlist the dimensions of the part. ! Take care wich part is it on the machine? If it is the part in the placing head (vacuum sw +/-) than
Electronics Forum | Mon Jan 19 15:33:49 EST 2004 | J Smithj
We were and still are having problems with magnetized nozzles on the HSP 4796. The problem was found when numerous parts were thrown after being placed on pad. It appeared to be picking parts up off the board after placement. Nozzles were pulled out
Electronics Forum | Mon Jan 26 07:27:43 EST 2004 | loz
I have a product that has earthing/positioning holes, as they are to be used for earthing purposes they need to be free from conformal coating. This pcb is double sided. I have used spot/peelable mask to protect these holes. However when the conforma
Electronics Forum | Thu Jan 29 12:54:51 EST 2004 | Mike Konrad
Hi Eric, Here are the manufactures of batch-format aqueous cleaning / de-fluxing systems: Aqueous Technologies www.aqueoustech.com (909) 944-7771 China Distributors / Service Centers: http://www.jamron.com http://www.leader-sh.com UnitDesign htt
Electronics Forum | Wed Aug 03 10:01:39 EDT 2005 | GS
Hi Crishan, sorry, "pbm" is a short way to say problem. In the past ('89), we had same magnetic pbm also with metal nozlles on Dynaper MPS-2500. Some time, we found also chips received from supllier already magnetized. Solution was to put the r
