Electronics Forum | Fri Sep 18 12:21:03 EDT 2009 | kennyg
Does anyone have any off-the-shelf tool for measuring air gaps under components? Specifically to measure if a part is raised beyond special specifications, such as determining if a leaded connector is raised beyond 5, 10 or 20 mils from the PCB surf
Electronics Forum | Fri Sep 18 13:23:16 EDT 2009 | fredcalkins
There may be other solutions to this, but MSC Industrial Supply has a plastic shim assortment that may work for you. Part number 00019208 for $35.54 the assortment has 12 different sizes to .02 inches. The shims are flexible and can be trimmed to any
Electronics Forum | Wed May 06 18:15:03 EDT 2020 | travishemen
I thought i posted this last night. The easiest way I can think of to see what nozzle is being used is to put the machine in step mode and do one part at a time. Also the levelness of the table and Z0 could be suspect. On a CP643 this can get out
Electronics Forum | Fri Nov 09 10:49:09 EST 2007 | hussman
Try raising the part off the board a little. I bet this will help.
Electronics Forum | Tue Aug 18 17:40:52 EDT 2009 | jlawson
Is the mechanics ok with the raising and lowering into the vapour ie no small movements that could be moving the part ? Most Vapour Machines have a lower and raise mechanisim so movemnt of parts can happen if not smooth, especially when coming out o
Electronics Forum | Tue Sep 04 09:38:38 EDT 2012 | cobham1
The best thing you can do is to clean the board that has a solder paste defect on it. If you don't you probably will have issues after reflow. This could include bridging, raised parts, or any number of issues. You need to remember that if you are re
Electronics Forum | Thu Dec 07 19:20:28 EST 2006 | ganoi
Most likely there is movement during reflow. How about conduction oven over convection oven for reflow? This is a small PCB with the LED sitting on a Flex-Rigid extension from the PCB. I was thinking if the stencil aperature for the LED was to be cu
Electronics Forum | Wed Jan 25 17:12:41 EST 2006 | adrian_nishimoto
Billy, I think the most versatile kit out there is the RB-2000 system from Mini Micro Stencil. We have not run into a part yet that we could not reball, even ones with a raised encapsulated center. They even make custom screens that match the compo
Electronics Forum | Fri Feb 07 15:16:46 EST 2003 | Claude_Couture
Bulk parts cassettes... another idea that must have looked good at the time. Too bad the manufacturing trend went from low mix / high volume to high mix / low volume. I guess the feeders have to be too complex to feed the part properly to the machine
Electronics Forum | Tue Sep 18 21:37:06 EDT 2012 | vergara1
Hi Manoel, I want to make sure I understand what you are talking about; reading the reply,along with your replys it almost sounds as if we are not talking about the same thing. In your picture I'm seeing a SMT diode correct? You are talking about th
