Electronics Forum | Wed Apr 02 22:26:13 EDT 2014 | isd_jwendell
I've been using the SEP1M, which functions well for mechanical separation. I recommend the motor driven version. http://www.olamefusa.com/e_sep1.htm#SEP1M
Electronics Forum | Thu Apr 03 07:02:24 EDT 2014 | cbeneat
we also use the FKN Systek K3000, we have 4 of these and two of the motorized K4000's both are easy to use and reliable. FKN also has a blade sharpening service.
Electronics Forum | Wed Apr 16 12:50:56 EDT 2014 | comatose
We have several, the one everyone likes is a Fancort VPD5-330. We were having trouble with cracked ceramics near the score line with our pizza cutter style depaneler. The linear blade made it go away entirely. Not the cheapest, though.
Electronics Forum | Mon Apr 28 13:58:06 EDT 2014 | jimmyboz
Caution: Do not overlook the dust and fragments that will result from this activity. Clean the PCBs somehow to avoid that simple problem. If of course, that this happens on the front end.
Electronics Forum | Fri Apr 18 11:31:20 EDT 2014 | rboguski
We've experienced the same thing: Customers bring a board to us suspecting a certain problem, only to find, after Xplane analysis by us, that the defect is different or lies elsewhere.
Electronics Forum | Sat Apr 05 21:51:42 EDT 2014 | garym4569
The 237*C is under the inductor with aTAL of 48s. I worked on the profiles this morning an got the max temp up a few degrees and the TAL to 62s. I will check the body temp of the Elec caps. The rest of the board has a max temp of 247. Thanks Gm
Electronics Forum | Mon Apr 07 13:12:02 EDT 2014 | cyber_wolf
Gary, We are missing something here. I see no evidence of reflow at all. If you have a thermo couple under the inductor, 237 deg with a TAL of 48 seconds should work all day long.(even though it may be on lower end of process window) SAC melts at 21
Electronics Forum | Mon Apr 07 15:14:41 EDT 2014 | garym4569
I drilled a small hole from the other side in order to get my thermocouple under the inductor pad. I did not have anything on hand to fill the hole, so I covered with kapton tape the best I could. I suspect that is why it looks like it should work.
Electronics Forum | Mon Apr 07 15:22:17 EDT 2014 | garym4569
Found the issue. The footprint is incorrect. The inductor completely shields the paste from heat. Slid the inductor on the pad to expose the pad and paste, and perfect solder joint. This part was a last minute design change with a larger body.
Electronics Forum | Tue Apr 08 08:04:57 EDT 2014 | cyber_wolf
Ahhh...now this makes sense. Glad you found the issue. Gary, try using aluminum tape to secure thermocouples. It works much better than kapton in my opinion. KIC sells it, but I'm sure it can be found elsewhere.
