Electronics Forum | Wed Sep 08 16:21:41 EDT 2004 | rohman23
I'm in a similar situation. We have a pre-historic semi-automatic printer that does a decent job, but would like to get an automatic printer. I've only just begun looking into the different options available, but would like one that could inspect t
Electronics Forum | Thu May 18 10:20:55 EDT 2006 | slthomas
Russ asks good questions and I think Chunks pretty much nailed it. Aspect ratio (aperture width/stencil thickness) s/b 1.2 minimum (I like 1.5 if I can get it). If your aperture width = lead width (.008"), yours is 1. Tough to get consistent paste r
Electronics Forum | Mon Jul 24 09:27:09 EDT 2006 | nodlac
I think Dave F. and Russ hit the nail on the head...components are wrong in the reel pocket from the get go. We would make a point to specify this when ordering parts. Russ also, has a good point with his number "2" item. If your machine is optomiz
Electronics Forum | Sat Jul 29 13:30:17 EDT 2006 | Chunks
Some have a bottom side adaptor plates with pins to make contact to certain areas of your board. The top side may have one or multiple heads that can move the entire area of your board. On each of these haeds is a pin like that from an ICT machine.
Electronics Forum | Fri Jan 12 19:49:07 EST 2007 | stepheniii
I think she might be more on track about the air flow. I would think they not only have thermal mass but also emit thermal energy well which would add to the dificutly of removing them. I think a Dpak would have more local thermal mass than the shie
Electronics Forum | Mon Jan 15 12:42:57 EST 2007 | realchunks
CL pretty much hit the nail on the head. But also remember that solder paste will not go "bad" if not kept cool. It is not a fruit or perishable item (sorry guys, it's not). It's just metal and flux. The only reason they want you to keep it cool
Electronics Forum | Mon Feb 19 11:43:53 EST 2007 | ck_the_flip
I've used ECD's WaveRIDER and TIC's Wave Optimizer, and some people have sworn by Malcom's wave reader as well (if you look at all the past threads). We HAD an optimizer here in our shop, but somebody bwoke it. :-( As for evaluating these, see Chu
Electronics Forum | Thu Mar 15 12:33:50 EDT 2007 | ck_the_flip
To do a profile at most companies, if you don't have a scrap board handy, you'll use the already-soldered board that's already been through ONE reflow cycle. You spend time attaching T/C's with the aluminum tape - after all, the prep-work is half th
Electronics Forum | Fri Jun 08 17:22:51 EDT 2007 | naynayno
We have been producing an IMS assembly with SMT dpak's for some time. However, we recently encountered a new problem by chance - the parts can be flicked off with a finger nail. I state by chance because the solder joints are wetted and shiny with
Electronics Forum | Mon Jun 25 10:42:43 EDT 2007 | fredc
On our new shop we used iron pipe in the walls and attic and copper ever where else that can be easily accessed. I saw a pvc material at a trade show years ago that was rated for air lines. With their demo material they could fold it and drive nails