Electronics Forum | Thu Mar 22 08:54:06 EST 2001 | dblsixes
I'm not familiar with Laser Soldering. I don't believe it to be a problem with the QFP themselves, since the two plastic parts are from different vendors in the same package. We also are having similar problems with other plastic parts on other boa
Electronics Forum | Tue Sep 15 10:19:23 EDT 1998 | dave c
| Dave, | How thick are your PCBs? Do you have adequate topside preheat or are the bottom preheaters turned up to ensure proper filleting on the top side? | Rob Rob, The average PCB is .062". There is no topside preheaters on our machine
Electronics Forum | Mon Oct 24 06:31:31 EDT 2022 | richardcargill
We have a similar board and came up with a quick and dirty solution. The board locates via pins onto a manual desk press with strategically placed feet to break the mouse bite. Not really much quicker than doing it all by hand, but after a thousand p
Electronics Forum | Tue May 17 16:10:35 EDT 2011 | bandjwet
Our shop builds lowere qty (2-40 pcs) high complexity electronics. When we get in to bd counts greater than 10 pcs with a high number of placements (3-4K) missings and polarity are issues that bite us. We have looked at different simpler scanner type
Electronics Forum | Wed Dec 22 12:21:51 EST 1999 | Dave F
Jake: This'll get you started: 1 Read the archives 2 primary approaches to paneling are; * Moise bites * Singulation * Routing * Scoring * Shearing 3 Major depaneling technologies are: * Singulation (Wand 708.459.2400fax2421, Circuit Technolo
Electronics Forum | Fri Sep 11 15:11:23 EDT 1998 | Dave Celestian
I am running composite fixtures on my wave solder machine and after about 500 passes each (1 month)they are showing serious signs of wear in that the composite surface is bubbling up and glass fibers are also starting to show. The problem here is t
Electronics Forum | Wed Sep 16 15:45:28 EDT 1998 | Rob Fischer
| | Dave, | | How thick are your PCBs? Do you have adequate topside preheat or are the bottom preheaters turned up to ensure proper filleting on the top side? | | Rob | Rob, The average PCB is .062". There is no topside preheaters on our
Electronics Forum | Mon Sep 14 09:09:10 EDT 1998 | Earl Moon
| I am running composite fixtures on my wave solder machine and after about 500 passes each (1 month)they are showing serious signs of wear in that the composite surface is bubbling up and glass fibers are also starting to show. | The problem here
Electronics Forum | Fri Sep 11 15:26:15 EDT 1998 | Upinder Singh
Dave, What exactly is the material used for making the fixtures? Upinder ====================== | I am running composite fixtures on my wave solder machine and after about 500 passes each (1 month)they are showing serious signs of wear in that the co
Electronics Forum | Fri Jul 28 09:18:53 EDT 2017 | sumote
Fancort sells a router that will singulate the boards out of the panel, and smooth the edges at the same time. I had one of these at a previous job and it worked well enough. Programming is tedious (it is done at the machine by "learning" point to
