Electronics Forum | Tue Aug 30 11:13:23 EDT 2011 | markaustin
Hello Bill A colleague here at ACW just told me about your question and as we have a few of these machines I feel that I'm in a position to answer you. Prior to 2007 we only used DEK265 (GS & GSX) machines and these we getting a bit old and passed
Electronics Forum | Sun Sep 25 20:20:22 EDT 2011 | johnyq
We recently aquired an old MPM-AP25 stencil printer that printed paste with a large error (about .060 inches). I concluded camera alignment to be the cause but was surprised by the magnitude. I found the camera beam splitter prism misaligned and loos
Electronics Forum | Sat Nov 26 00:02:17 EST 2011 | kevintough
I agree with this post about new and standard component names. Standard components should not be changed outside of perhaps widening the tolerance to accept poorly produced components. By purchasing poor quality/cheep components your purchasing depar
Electronics Forum | Thu Dec 29 10:14:27 EST 2011 | davef
Darpy's offset checking trick: One trick I always use is to make the first two placements in every program the same as the fiducial data picked up from a dummy feeder. These two placements are generally skipped. ** If I do have a problem then I unski
Electronics Forum | Fri Nov 25 15:52:40 EST 2011 | davef
"IPC-2221 - Generic Standard On Printed Board Design" talks to fiducials. Anther take on fiducials says they shall meet the following requirements. * Make fiducials 1 - 1.5 mm diameter circle. * Cover fiducials with tin. * Keep solder mask opening at
Electronics Forum | Mon Dec 05 09:04:25 EST 2011 | haiae
I just buy a used Contact 3AV machine. Afer fixed some things I think the machine can be ready to run and in fact for first time the machine power up, pass all self testing, homing is done, moving of table, heads, actuator is good, pneumatic function
Electronics Forum | Sun Mar 04 02:21:40 EST 2012 | eadthem
Most PNP machines and AOI machines shuld have a X out feature. For us we use to use whiteout pens to mark the badsense spot. Now atm we use white lables, becuase there is no dry time. The lables have there own issues, They cause overpasteing issues
Electronics Forum | Sun Mar 04 02:39:27 EST 2012 | eadthem
I don't have our DEK printer part numbers memorized, In general we have a older machine running NT4.0 . It has 2Di inspection but we never use it because you can only inspect/setup 1 camera shot at once, making for very long programming. Our newer D
Electronics Forum | Fri May 18 10:43:32 EDT 2012 | davef
Umar Chapter 7 of IPC-HDBK-830, Guidelines for Design, Selection and Application of Conformal Coatings deals with compatibility of the different materials in the chain. Have you: * Tested your bare boards at incoming for cleanliness with your Omega
Electronics Forum | Fri Sep 14 19:28:53 EDT 2012 | jlawson
Another oven maker not so famous in USA probably but very strong in EU and high end Asia companies is Rehm Thermal Systems (germany), you should take a look..... They have many years in Reflow same time as Heller been in business, but they use highe
