Electronics Forum: bare and board and loader (Page 1 of 6)

DEK 265 and FUJI Board Loader

Electronics Forum | Mon Nov 29 13:01:35 EST 2004 | bobsavenger

I have a DEK 265LT screen printer and a Fuji bare board loader. I cannot get the two machines to talk through the SMEMA cable. I have the personality card for the DEK and I have the correct cable for a FUJI machine. Is there something that I nee

MPM Up2000 and SMEMA

Electronics Forum | Tue Sep 13 07:00:28 EDT 2016 | awhite

Thanks for the reply. When you hit start on the printer, you can see it send the "start cycle (SMEMA)" signal, and it immediately goes to "awaiting board from upstream." This tells me that the printer knows a signal has definitely been sent and rece

MPM Up2000 and SMEMA

Electronics Forum | Mon Sep 12 09:26:00 EDT 2016 | awhite

Our MPM Up2000 HIE is having a communication problem with any upstream machine we place in front of it...i.e. conveyor, board loader, etc. It all started when we removed a conveyor from inbetween it and a board loader, and hooked those machines up di

solderability and hasl thickness

Electronics Forum | Fri Sep 12 09:10:23 EDT 2003 | Norm Morikawa

Around 1989 I had this probelmm with a SMT CCA that would not solder in one area consistently. I had it cross sectioned by the bare board supplier and found that under their metallurgical microscope the thickness of this HASL bare board could not be

MPM Up2000 and SMEMA

Electronics Forum | Tue Sep 13 10:00:27 EDT 2016 | awhite

Switched out the mech. relay on the board loader, no change. Same behavior. Could not find a mech. relay on the printer... SMEMA wiring appears go directly to a PCB. And it is at that point that I run out of talent. If the machine weren't dedicate

PCB Identification and Tracking

Electronics Forum | Mon May 05 22:24:17 EDT 2003 | jlipton

We are investigating a system, using 2-D matrix code, that will identify and track every PCB throughout our factory, starting from bare board. As a low-medium volume manufacturer, would labels or laser marking be more cost-effective? How difficult is

Aluminum and silica contamination

Electronics Forum | Wed Jan 12 13:42:19 EST 2011 | dwonch

Hi All, I'm hoping there is a PCB expert or two hanging around. We're having some solderability issue on our boards. The finish is ENIG but it doesn't seem to be related to the finish process itself. We did SEM and EDX analysis and found aluminum an

Component Obsolescence and Availability

Electronics Forum | Thu Apr 07 19:17:43 EDT 2022 | cbart

Good afternoon The ISI I was mentioning is interconnections solutions which is a division of Molex. a few years back we ran into a component end of life situation but had thousands of very high dollar bare boards in stock. the package was a BGA and w

Component Obsolescence and Availability

Electronics Forum | Thu Apr 07 20:42:19 EDT 2022 | stephendo

The boards were just a little larger than a SOT8. IIRC we had a pizza slicer type depanelizer and it wasn't too bad. We just did enough to populate the bare PCBs we had. Where I am now a customer has us put a QFP and a few other parts on a SOW28 f

SPC and Wave

Electronics Forum | Fri Jul 15 13:28:55 EDT 2005 | Brian

A process consists of much more than just thee machine. When developing a cause and effect diagram ffor the process, there are many parameters that fall outside the machine itself. There are Man, Machine, Methods, and Materials. Just monitoring th

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