Electronics Forum | Tue Dec 09 14:17:13 EST 2008 | dphilbrick
We exclusively use a printer to do glue these days but keep in mind there are times when glue and paste work best. Things like poor layout (ie shadowing) or tall parts that may shadow themselves or a wave solder machine that is not particularly good
Electronics Forum | Wed Dec 10 07:47:16 EST 2008 | benefon
If you find the correct type of adhesive/needle size then dispensing certainly is no problem. With a footed needle a very repeatable process too. Much more flexible than stencil printing and no need to mess around with stencil cleaning. But with auge
Electronics Forum | Wed Dec 10 00:15:07 EST 2008 | jeffjarmato
Are there any good solutions for getting good barrel fill on PTH boards using Pb Free solder and No Clean flux. All of our boards are having issues getting minimum required fill per IPC. It does not matter if the board is 062 or thicker, any pin conn
Electronics Forum | Wed Dec 10 16:15:24 EST 2008 | terryl
on the front end in design, minimize the pth connections to ground planes. this takes alot of work by the pcb designer and the approval of the design engineer. connect maximum of 4 ground planes to pth, minimum 1 plane. use spoked connections. ev
Electronics Forum | Thu Dec 11 07:29:58 EST 2008 | jdumont
I have done a few studies on this issue here. As a result we have increased hole diameter on heavily ground planed pins to a min of .015" over the lead diameter as well as preheating the PCB when hand soldering. I have also had to order the upper pre
Electronics Forum | Thu Dec 18 14:38:41 EST 2008 | easton
I think the BLT solder joints look very shiny for no-lead. We are getting very good top side solder with ours though. They look like this. - Gold Enig plating - Alpha EF-6100 Flux - SAC305 - Preheat topside temperatures at 110 to 120C
Electronics Forum | Sat Dec 13 14:16:38 EST 2008 | tsvetan
If you are with no experience buying used machine is bad idea. The used machine sellers/brokers in 99% of the cases can't provide good support, which is very important when you start learning new machine. Usually the used machines come with partial
Electronics Forum | Sun Dec 14 03:45:36 EST 2008 | fastek
You still have the same problem........who is going to train you and support it when it needs service? The end user you bought it from? Even the manufacturer will probably not support you if you purchased a used machine without paying them a registra
Electronics Forum | Mon Dec 15 11:15:58 EST 2008 | evtimov
Split, I beleave there is no machine on the world, which could meat your requirments. But if you find one, please tell me the brand so I can buy plenty of them. If not check your requirments again: -no maintanance -very easy to program(self-progra
Electronics Forum | Mon Dec 15 04:21:08 EST 2008 | bejingaf
Hello! I'm interested if anyone did any comparisions now days betwen several AOI types for inline inspection of populated SMT and THT PCB's. I'm mostly interested in multicamera systems ( MIRTEC, LANDREX, ORBOTECH, VISCOM....). I have checked few of
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