Electronics Forum | Mon Nov 27 12:17:02 EST 2000 | Dason C
Chris, you are not completely right. Our industrial is following the IPC standard as our guideline. Per IPC J-STD-033 has specify the floor life at para. 8 (normal condition at 30C/60%RH). If Victor can control his environment at 32% then the compo
Electronics Forum | Thu Nov 16 14:22:48 EST 2000 | Kris
Howdy Y'all, I have seen a problem lately with getting the 0402 parts out of the tape and onto a PCB. We are using Universal HSPs with 8 X 2mm feeders in good condition. The components are manufactured by Rohm. The tape and components appear to b
Electronics Forum | Tue Nov 14 03:00:14 EST 2000 | sarry
I have one suggestion why don't you align all parts and take a close look at it if you can find any misaligned component after that. IF SO, that's machine's repeatibility problem.(or mechenical problem-dirty nozzle, wrong pick up and placement height
Electronics Forum | Tue Nov 14 14:26:28 EST 2000 | Francois
First groupe of questions: Is your machine have one head with multiple nozzles? Do you have separate vacuum tubes for each nozzle? Do you have problem with the same package or with all pakages. In your PNP machine, what are the dimensions tolerances
Electronics Forum | Tue Nov 21 00:38:16 EST 2000 | George
Hi Guys, We found the cause of the problem. It is during the import of the CAD data which on some components the Software give us the Mid X and Mid Y values. We checked from the protel and we found that some of our component coordinates do not much t
Electronics Forum | Thu Nov 09 03:19:40 EST 2000 | Chris May
Cristiano, Are your oxidised components now all on boards ? How many and how many terminations ? If you have any that are still to be used, maybe you can get the supplier / customer to replace them, unless of course they are well old. If you have
Electronics Forum | Mon Oct 16 20:45:45 EDT 2000 | Dave F
Thanks Nance. So, your production process is: * Screen / dispense glue on secondary side * Place secondary side SMT components * Cure glue * Insert primary side PTH components * Wave secondary side Please tell us about: * Flux type and wave s
Electronics Forum | Tue Sep 26 13:17:55 EDT 2000 | John
We are considering Juki's component verification option on our placement machines as an alternative to incircuit test. Our boards are relatively simple, and the system should catch everything our functional testers will not. We intend to use it to
Electronics Forum | Thu Sep 21 12:03:35 EDT 2000 | Boca
We have been using a hot air knife on Electrovert equipment for a few years. It must be set up properly for a given machine, primarily the distance from the trailing edge of the wave. Sometimes the set up must be adjusted for the assembly being sol
Electronics Forum | Thu Aug 24 13:20:24 EDT 2000 | Murad Kurwa
One of our divisions is having this problem: - De-wetting on the smt pads and componenent termination on the bottom side after top side procssed through reflow. Board finish is immersion silver. ? Any recommendation on what we should check & verify
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