Electronics Forum: 10 (Page 1601 of 1925)

DEK 265 vision alignment...

Electronics Forum | Thu Feb 13 10:38:33 EST 2003 | vortex

While trying to develop new programs for our DEK Horizon 265 we are forced to use pads as vision alignments due to lack of real fiducals, thanks engineering. My question is, Is there any way to narrow the search window when performing a locate fiduca

Epoxied Parts Falling Off

Electronics Forum | Thu Feb 20 10:56:49 EST 2003 | larryk

Interesting topic, I got a side bar question. The epoxy companies suggest a lower consistant temp (something like 1 minute at 160 degrees) for curing. But we epoxy and paste our boards that get waved. (I know, why are ya pasting a board that goes t

Epoxied Parts Falling Off

Electronics Forum | Mon Feb 24 10:21:29 EST 2003 | ryanm

Just an update on my problem. I spoke to Loctite and they had very few solutions. One thing they suggested to try was to add a thirty-second soak time at 150 degrees to my reflow profile. The problem with that is ramp-soak-spike profiles doesn�t s

Best/Common Practice in Blank PCB QC

Electronics Forum | Tue Feb 25 10:32:09 EST 2003 | davef

I don't know the precise scheme, but it goes something like this ... WHAT TO DO * Use the general work instruction that applies to all boards. It goes into dimension and hole checking processes. It talks to visual instection of solder mask, solder

Inline Washers

Electronics Forum | Fri Feb 28 10:32:45 EST 2003 | pjc

Cookson Electronics Equipment- Electrovert AquaStorm 200 highly recommended options: Checkmate Conveyor Hurricane Jets in Wash and Rinse 4 Additional Top Spray Bars in Wash *Closed Loop Filtration System for Wash *Positive Displacement Chemical Meter

Production scheduling

Electronics Forum | Fri Mar 14 10:53:41 EST 2003 | Garth

I just can't accept that what I want to do hasn't been thought of before. It's to basic a concept for there not to be an existing product that can at least do something reasonably close. There are too many manufacturing environments and locations f

Placement Accuracy

Electronics Forum | Mon Mar 10 14:13:36 EST 2003 | msivigny

Hello Bill, As I mentioned in an earlier thread, I was not familiar with the PAM system but have since been given a quick run down on how it performs its measurement routine. It is an acceptable way to measure and optimze Fuji chip shooter performanc

CM Sales Info

Electronics Forum | Tue Mar 04 17:02:50 EST 2003 | davef

Do the numbers. A good dog needs maybe $100k per year. So at 10%, he's got to sell $1M the first year. In order to sell $1M, he looks at the odds, scratches himself, licks his nose, and thinks, "ooo baby, this is pretty risky": * These guys don'

Why measure O2 ppm level in N2 environment

Electronics Forum | Fri Mar 07 10:51:53 EST 2003 | dphilbrick

Another value add of N2 is when you are running a gold over nickel process it is recommended that you reach a peak of 220c instead of 215 when running in air. When you add N2 you can maintain that 215 number with the same results. If you look at your

Immersion Gold over Nickle de-wetting problem

Electronics Forum | Fri Mar 07 05:36:21 EST 2003 | O' Connor

Hi Again, In answer to DaveF - Yes solder is fine where the solder paste is deposited , but the part of the pad visible after pasting is still visible after reflow. Previously the solder paste & all the gold diffused & flowed giving a complete silve


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