Electronics Forum: sets (Page 326 of 458)

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

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

Soldering Iron Questions

Electronics Forum | Thu Nov 02 15:46:43 EST 2006 | rgduval

I'm looking for some information on soldering irons being used in my no-lead process. Specifically, my floor seem to be burning out tips at an alarming rate, when soldering lead-free assemblies. Today, I had one woman burn out a brand new tip in 4

Repair a BTU VIP70 or buy a new HELLER??

Electronics Forum | Sat Nov 11 21:00:10 EST 2006 | Kris

BTU - "WTF" We don't like them at all. We have no problem to set the profiles, it is a matter of fact that they are just perfect for that. The boards are just perfectly soldered. But - the their support sucks Big time! Or the lack of support! We are

Your recommendation is appreciated - Humidity Range for the SMT

Electronics Forum | Mon Nov 06 22:01:44 EST 2006 | realchunks

Why a clean room? Or do you mean an environmental room to control temp and RH? Any way, to answer you question, your wave and oven can care less about RH. Just don't keep them at 100% RH. Static can easily be handled with lower RH and proper grou

Lead Free paste

Electronics Forum | Wed Dec 06 16:14:25 EST 2006 | realchunks

Assuming you meant 38 percent humidity - I would have to say your environment is only part of the problem. When you experience this problem, is because the paste has set idle for a period of time? If you knead the paste does the fine pitch print OK

Gold fingers damage when plugged into connectors

Electronics Forum | Sat Dec 09 08:32:25 EST 2006 | davef

Thoughts are: * Most board fabs have routers that can do this work. Can yours rework these boards? * Scrap the boards and start anew. Someone made a mistake. Cut your losses. * As a wild and crazy guy alternative, buy a router with a 45* bit from

Question about pad pullbacks

Electronics Forum | Mon Dec 18 11:17:52 EST 2006 | mashmo

I am always looking for ways to make my boards more reliable and easier to fabricate and assemble. I have been baselining my footprints off of IPC-7351 and with the latest revision of the calculator they have started a new feature. Normally on say

glue dot size

Electronics Forum | Wed Dec 20 04:08:09 EST 2006 | ungun

Sorry for the late reply. I use glue dispenser machine juki kd-775. It have dispensing diameter confirmation unit, but dispensing test tape can be hold for 2 to 3 days a roll if the output 300 pcs pcb with average glue point 100 per peace. Beside, i


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