Electronics Forum | Fri May 19 10:39:19 EDT 2000 | Boca
Ed, I workded with punch and replace fabs yeeeeears ago, major pain! Dave's right, planarity is the biggest problem, then inconsistent retention in the panel, then ANY retention in the panel. If you can get paste on them, you may be able to place
Electronics Forum | Fri May 19 10:41:06 EDT 2000 | Boca
Ed, I workded with punch and replace fabs yeeeeears ago, major pain! Dave's right, planarity is the biggest problem, then inconsistent retention in the panel, then ANY retention in the panel. If you can get paste on them, you may be able to place
Electronics Forum | Thu May 18 03:13:13 EDT 2000 | Earl Moon
Bait, my ass. Something so thinly vailed is what I'm talking about on this forum. However, Janet is a prime example of someone needing help and you folks kindly offered with good advice. How could you not give good advice to someone needing everythin
Electronics Forum | Wed May 17 10:19:25 EDT 2000 | C.K.
Hey Dave: At our facility, we use those masks that filter out particulates. Our safety department requires all wave operators, maintenance, and even wave process engr's (like me) to have these masks checked every 6 months for proper gasketing, filte
Electronics Forum | Tue May 16 20:32:52 EDT 2000 | Dave F
YES!!!!! We have a winner, ladies and gentlemens. The prize is a round of drinks for you and the grrrrrls. Bud, you have got to be a bit teched to dig-up that obscure reference. Hello, teenage America, My name is Suzy Creemcheese, I'm Suzy Creemc
Electronics Forum | Fri May 05 14:30:11 EDT 2000 | C.K.
I'd have to disagree with the Electrovert applications guy. I'd recommend SLOWING down the conveyor between .5 to 1 FPM - effectively, you're REDUCING contact length (because contact length = dwell time * conveyor speed), hence getting better peel-o
Electronics Forum | Tue May 02 14:18:50 EDT 2000 | Erhard Hofmann
I think it is very nice to have the feature of getting informed when someone answers to a question I put on the smt.net. But (and that's a big but): If you send out an email why can't you just include all the informations you want to send in the emai
Electronics Forum | Tue May 02 14:19:26 EDT 2000 | Bill Schreiber
There are two primary causes of epoxy adhesive bond failure, heat and over exposure to moisture. Ultrasonic cavitation is a only a mechanical "scrubbing" action on a microscopic level. However, if the adhesive bond is week or has small areas of det
Electronics Forum | Thu Apr 13 03:46:19 EDT 2000 | PeterB
We are a small/medium contract manufacturer and like most we do our best to ensure that PCB's we process are panelised to ensure efficient throughput and good quality results. Sometimes however we are stuck with free issue PCB panels supplied by som
Electronics Forum | Wed Apr 12 20:56:18 EDT 2000 | Dave F
Kevin: You're correct. Loose the glue, unless you're waving second side or have real heavy components. Check the archives for component weights, references, and what not. I believe that most people (let's see a show of hands kids) are using two pa
