Electronics Forum: see (Page 511 of 725)

MPM UP2000 Hi-e

Electronics Forum | Tue Aug 29 11:34:42 EDT 2006 | pr

WOW, for having never spent more than a drive by with the units and NEVER having set it up or used it, you are a wealth of info. who say's you can't learn anything from the fine smtnet archives? You definately have bean bags on the chin (mind) cause

MPM UP2000 Hi-e

Electronics Forum | Thu Aug 31 18:58:37 EDT 2006 | chrisgriffin

Fastek, You are correct. I know of machines you can get for 25k that are in working condition. But if I was going to buy one used, I would want it refurbished and calibrated. I would also be interested in support and warranty. I don't know of an

Reflow Carriers

Electronics Forum | Mon Aug 28 17:02:07 EDT 2006 | SWAG

We are constantly messing around with easy ways to transport double sided boards through reflow. (Boards that cannot ride on the chain fingers for any number of reasons). We've got some fancy Durostone carriers that work awesome but are product spe

Shipping PCB via Sea Containers

Electronics Forum | Tue Sep 19 00:35:54 EDT 2006 | darby

Fred, We receive ENIG pcbs in vac-formed bubble wrap with ,of all things, polstyrene packing! Despite my long-lasting complaints nothing has changed. BUT - I have never really had a problem with any of these PCBS. There are no moisture, salt or any o

marking standard for .1% resistors?

Electronics Forum | Mon Sep 18 12:36:59 EDT 2006 | slthomas

A customer specs .1% thin film 0805s on one product. The parts that came in the kit were marked 1002, and I suspect they were just 1%ers that were sorted for the tighter tolerance. We were a few short, ordered the balance and got parts marked 103 w

MPM AP25 Print Repeatability Problem

Electronics Forum | Mon Sep 25 09:18:38 EDT 2006 | daxman

Thanks for the posts guys, I'd like to mention a few things... In my opinion, the tooling does not get any better than this. The board is fairly small and quite stiff. There is no board warping. The tooling plates are tight and the vacuum really h

MPM AP25 Print Repeatability Problem

Electronics Forum | Mon Sep 25 12:50:42 EDT 2006 | chris g

Daxman, The diagnostic results didn't look very pretty. Especially on the vision x standard deviation. Any time there is an asterisk, that is a bad thing. The failure number for all axis, excetp theta, is .0002. Could need more air flow to the x

MPM AP25 Print Repeatability Problem

Electronics Forum | Tue Sep 26 10:22:51 EDT 2006 | SWAG

Histogram: Place standard tooling block in centernest. Jog camera over block. Jog z-axis to soft limit. Place a white card under camera. User mode to test. Turn board lamp on. From test menu, select histogram. With board lamp on and white under camer

MPM AP25 Print Repeatability Problem

Electronics Forum | Sat Sep 30 10:04:39 EDT 2006 | daxman

I found this pot, and tried adjusting it. It was already turned to its maximum, and the histogram did not look good. I tried replacing the board lamp and this helped the histogram a lot, but I am not able to get the bars centered in the green. The

Quad 4c pretending to place components

Electronics Forum | Mon Oct 02 16:38:20 EDT 2006 | lheiss

Brad, Thanks for the info. Now that I have my align data set correctly I'm having this problem. I've greased and realigned until I'm blue in the face. If I do a nozzle change then a function 30, press the nozzle on with my finger and do a functio


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