Electronics Forum | Fri Apr 27 12:08:43 EDT 2007 | Machine Designer
In the infamous words of one of my good customers. "Vision systems suck, it's just that some suck less than others" and he would know having hand built AOI systems internally for over 10 years. Do you have any idea how many people think one-off mac
Electronics Forum | Wed May 16 18:09:15 EDT 2007 | johnwnz
It always surprises me how many variations there are for profiling and controlling your ovens, and the thing is most of them are fairly valid. Here's yet another option: Your board profile needs to be specific, 2 boards can look identical but have ve
Electronics Forum | Thu May 03 22:51:14 EDT 2007 | jmelson
I am still learning the CSM84, but have gotten one board programmed and working. Now, I'm doing the next board, and need to use the mechanical alignment unit for a 22 x 22 mm TQFP. This chip is too large to clear the jaws on any head. Can the CSM h
Electronics Forum | Mon May 07 16:00:38 EDT 2007 | patrickbruneel
Dave, There is not really a �smart� or scientific way to check this but I know of easy ways and very effective ways. Fex. an easy way to check is with a 3� spatula, you hold the spatula at the same angle as the board and drag trough the wave simula
Electronics Forum | Mon Jun 04 10:13:48 EDT 2007 | patrickbruneel
Chris, This is probably one of the reasons medical equipment and implants are exempt from the directive. Below a quote from an article published by the medical device network. RoHS excludes medical devices (category 8) and monitoring and control i
Electronics Forum | Fri Jul 20 10:44:56 EDT 2007 | gmoritz
If you bought it from an equipment dealer ... OK, the dealer has come through and is (allegedly) sending a full compliment of documentation to arrive by Monday. > ... they need weekly maintenance ... > ... you WILL need parts for it. ... > Do you
Electronics Forum | Tue Aug 07 19:32:40 EDT 2007 | davef
Zinc from the brass diffuses into the solder and reacts with tin causing dezincification. Dezincification is a specific type of de-alloying, or selective, leaching corrosion of brass fittings. This type of corrosion selectively removes zinc from th
Electronics Forum | Sat Aug 25 12:22:30 EDT 2007 | erokc
Is it sufficent to simply put meter probes in the water to get a resistance reading? I'm very skeptical of the Culligan man as they tried to pass distilled water for DI water. As I watched my container being filled I asked how they determined when
Electronics Forum | Mon Aug 27 11:20:58 EDT 2007 | davef
Q1: Is it sufficent to simply put meter probes in the water to get a resistance reading? A1: No. You need a meter for the purpose. Myron-L [myronl.com] is one such company Q2: I'm very skeptical of the Culligan man as they tried to pass distilled w
Electronics Forum | Tue Sep 11 19:04:28 EDT 2007 | hakerem
Hi Shrek - Not sure why you think adjusting dwell time and preheats is a sales pitch, but I do appreciate your candor. These are proven, widely used techniques for attacking, eliminating and preventing the recurrence of blowholes. Since it is so ea
