Electronics Forum: cal (Page 30 of 51)

Machine feeder setup reduction

Electronics Forum | Tue Oct 09 14:59:52 EDT 2001 | slthomas

That's what we do with our MSHII's...setup one carriage offline while the other one runs. We also have setup carts to load the feeders ahead of time and haul them out to the lines. Of course, when we exceed the carriage capacity of 75 slots for an

Convertion.

Electronics Forum | Thu Nov 08 11:53:25 EST 2001 | davef

0.516 lbf-ft => 6.196 lbf-in I always use �YAUC� [Yet Another Unit Converter] by Marius Milner [mariusm@yahoo.com] software on my Palm. It's freeware and excellent to use. Try: * http://www-sci.lib.uci.edu/HSG/RefCalculators4.html If you can't fin

College can't make SMT PCB's

Electronics Forum | Tue Dec 11 23:44:32 EST 2001 | caldon

Dave- Have I got the protype machine for you! Contact me off line at cdriscoll@manncorp.com Also, You gots-ta have a local assembler near you to help with this. What college are you attending? I know for a fact ACI in Philadelphia have assisted many

Contract Manufacturing start up Business

Electronics Forum | Mon Jan 14 20:05:48 EST 2002 | davef

Before you spending very much time [$$$$] on this project, consider: * This might be the wrong audience for your contractor market requirements questions. - Probably 50% of the posters on this forum are contractors. [And as Cal says, that number pro

BGA solderability / moisture

Electronics Forum | Mon Feb 11 20:07:46 EST 2002 | caldon

Stephano- There is a Chemical process to revert the contamination back to its original form. The EMPF Developed it back a few years ago in conjunction with Rockwell and some others. Please contact ACI at 610-362-1200 and ask for Dr. Greg Parks. This

Billboarding 0603 resistors

Electronics Forum | Fri Feb 22 11:49:42 EST 2002 | stimpman

Hi, Have you checked your placements pre-reflow? The most typical cause of a billboard unlike tombstoning is a pick and place issue. Billboarding will usually happen with ( profile/bad pad layout and the most common just poor center placement. I'v

APS Equipment

Electronics Forum | Mon Feb 18 10:06:00 EST 2002 | caldon

TECH 127- I have some data points I could share with you on APS but being a competitor I do not want to clog the SMTNET Forum with "non-technical" information. My email is Cdriscoll@manncorp.com , please send me a list of questions or issues and I c

AOI ( automated optical inspection) benchmark

Electronics Forum | Mon Feb 18 09:58:51 EST 2002 | caldon

I am not a fan of "Gold Board" type of inspection. There are many new sophisticated ways of inspection one being neural networking. This is a method where learning occurs by exposure to a truthed set of inputs and outputs data where the algorythim in

Hand Lotions

Electronics Forum | Mon Mar 04 15:35:18 EST 2002 | caldon

I don't like hand lotions in the assembly area. If hand lotion is needed I would have the operators use latex gloves or finger cots. The lotion can be transfered to the bare board or assembly causing reliability issues. Lotion transfered to a bare PC

omega meter

Electronics Forum | Wed Mar 06 11:51:04 EST 2002 | caldon

The EMPF has a great Paper regarding the Omega meter. www.empf.org (Click the Tech Pubs Icon) Here you will find a host of technical papers. These papers were relevant in their time but most have proved to be irrelevant in current day manufacturing.


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