Electronics Forum | Mon Aug 18 11:20:08 EDT 2008 | pjc
Stencil apertures are cut to deposit solderpaste onto the annular ring, provided its wide enough. Then you can place a solder preform if needed to ensure there is enough solder to fill the barrel. Here is some information on solder preforms: http://
Electronics Forum | Fri Sep 19 10:24:10 EDT 2008 | jtownsend
I am looking to replace our current smt line of a Contact 3S. This has been our only machine and we have had it for about 6 years. We are looking for 100 plus feeder capacity and 10k plus placement rate with a diverse component range. I am considerin
Electronics Forum | Wed Oct 01 13:19:18 EDT 2008 | evtimov
I am also doing research on rework machines. for now I saw : Ersa - german http://www.ersa.de/en/produkte/smt_bga_rework/frame_smt_bga_rework.html DenOn- Japanese http://www.denondic.co.jp/en/products/rd500_2.html, Metcal http://www.metcal.com A
Electronics Forum | Fri Oct 03 10:24:17 EDT 2008 | chineechooze
I have a problem with placement repeatability and accuracy on this Samtec connector. The customer wants to use a "nubbed connector" which has to be placed in the corresponding PCB holes. When the nubs miss the holes, the part becomes "lifted." SEE
Electronics Forum | Tue Oct 14 09:26:15 EDT 2008 | bickt
Hi, I have been at both ends of this business. I installed lines and have been in manufacturing for some 25 years. Do not go by the test boards that the installer or OEM uses. these boards are too broad and loose for any kind of guide line to est
Electronics Forum | Tue Oct 28 20:26:53 EDT 2008 | fishingfool
Dominik, Pixel size should not be the main criteria for selecting an AOI. I have a customer that has 2 MVP and they say the solder test are good but part reconigtion is not so good. You also say you need some flexibility on software. I also have
Electronics Forum | Fri Nov 07 23:40:41 EST 2008 | padawanlinuxero
I have been working on the SMT area for a while now, must of my experience is on programming and pick and place, now in my new job I have to control a complete SMT line and I have a little knowledge on working with solder paste but I like to read mor
Electronics Forum | Fri Nov 21 16:48:05 EST 2008 | kennyg
Anyone have an 'easy' solution for reducing PCBA handling damage. I'm fighting low level chipped, scuffed and broken-off SMT parts. The damage is spread out across different areas of the assemblies. The assemblies are double sided SMT with 0402's
Electronics Forum | Wed Nov 26 03:29:41 EST 2008 | stewartp
I'm currently using 'program maker' to generate SMT programs for our Vitesse. The problem is we were using an old style format for our part numbers.. We have now got a part number system in place, which I now want to add to our vitesse. This will cr
Electronics Forum | Mon Jan 12 02:29:13 EST 2009 | sachu_70
Hi Milan, One cause for such BGA failures could either be a laminate warp (bow or twist) formed during your Reflow or Wave soldering process, or perhaps a warp seen on the BGA component package itself prior to processing on SMT line. IPC guidelines f
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