Electronics Forum | Sat Mar 06 18:09:31 EST 1999 | Steve Gregory
Hi Ya'll... I'm in here again today trying to deal with my down wave solder. I've been beatin' my head against the wall for the last couple of days, it's a Soltec Prisma and the conveyer keeps jamming. What it's doing is up at the exit end where th
Electronics Forum | Fri Apr 20 11:07:52 EDT 2001 | kawiederhold
Hi Dave, Good to "talk" to ya again!! I have attached a photo of the antenna. Hopefully it will work its way through the system. The pictured antenna meets all our criteria. The defective antennae all seem to slide toward the center of the PCB (
Electronics Forum | Thu Sep 09 08:33:07 EDT 1999 | Dave F
| My company is looking to perform "real time" statistical process control on our current SMT operations. I have identified the critical processes for SPC but have not had much luck in finding a system(s) that can monitor the required processes for m
Electronics Forum | Fri May 21 12:25:14 EDT 1999 | Dave F
| Has anyone had any experience or data using vibration during the reflow process. | We introduced a vibration device attached to the fixed rail on a Vitronics reflow oven. The reason was to prevent skewing on large PLCC devices. The process worked v
Electronics Forum | Tue May 25 09:19:00 EDT 1999 | Ricardo Lopes
| | Has anyone had any experience or data using vibration during the reflow process. | | We introduced a vibration device attached to the fixed rail on a Vitronics reflow oven. The reason was to prevent skewing on large PLCC devices. The process work
Electronics Forum | Thu Oct 29 01:21:38 EST 1998 | Erhard
Thinking about that 180� turn unit again: You wouldn't require the the y-movement. The fixed side gets turned over to the other side anyways. | My suggestion would also be to leave the Fuji direction the way it is. (It's more standard anyways?) and
Electronics Forum | Thu Aug 06 13:02:11 EDT 1998 | Brian Stumm
Tombstoning is often caused by non-uniform heating. I suggest you check you profile to ensure you still have uniform heating and also check your rise and cool rates. If you have a convection oven I would look into the fan speeds or airflow rate throu
Electronics Forum | Fri Jul 24 12:02:06 EDT 1998 | Steve Gregory
Stoney, One thing you might do before you start dispensing epoxy, (...I know this might be a bit of a pain) is to run your boards on the mesh belt instead of the edge-rail conveyer. I used to have to do that with some very,very dense double sided mem
Electronics Forum | Sat Apr 25 01:26:52 EDT 1998 | Mikec
| I have a problem with the insertion tooling of a 6241B VCD Insertion Machine. I must replace most of the parts of the insertion head but the screws of the Rails has the socket head damage, so it is not possible using the Allen Tool. | I am looking
Electronics Forum | Thu Aug 23 11:19:40 EDT 2001 | Hussman
Hi delnosa, Sorry about being 10 days late - don't get to the bottom of the page much. I'm working of layering flex circuits sandwiched between FR4 layers. The flex is primarily designed to take the place of interconnects like yours. I work in ap
