Electronics Forum: go- (Page 491 of 785)

Re: feeder width

Electronics Forum | Tue Mar 30 11:39:59 EST 1999 | Stefan Witte

| Hello, | | I'm a student assistant in a research project that deals with the simulation of PCB assembly systems. At the moment I collect information about SMDs. | My problem is how to assign the correct feeder width to various devices in a simulat

Re: For all Siemens Siplace users

Electronics Forum | Thu Mar 25 16:59:20 EST 1999 | RAG

| maybe someone can help me with this | problem I have 4 S-20 machines on 3 | lines and I notice that when I omit | a component on the station computer | other components are not assembled | and on each PCB it's different | components and not the s

Re: For all Siemens Siplace users

Electronics Forum | Fri Apr 09 10:53:54 EDT 1999 | RNLM

| | maybe someone can help me with this | | problem I have 4 S-20 machines on 3 | | lines and I notice that when I omit | | a component on the station computer | | other components are not assembled | | and on each PCB it's different | | components

Re: Intrusive soldering

Electronics Forum | Tue Mar 23 02:36:38 EST 1999 | Bob Willis

| Are there many of you who are soldering through hole parts in your surface mount reflow oven? How repeatable is the process? Do you need to touch up a lot after reflow? We don't do long runs maybe 200, 300 boards max. Can you just screen print

Universal FlexJet!!!

Electronics Forum | Sat Mar 20 18:48:53 EST 1999 | GSM GURU!

Hey, all you Pro's out there I am looking for someone that has worked with the Universal FlexJet. We have been Beta testing one for a couple of months now and are having problems with interfacing optimization software with it. I would like to know th

Re: Universal FlexJet!!!

Electronics Forum | Mon Mar 29 23:24:04 EST 1999 | SMT CONSULTANT

It's unfortunate that there are corporations that exist that would actually hire and employ people of your specimen. You, obviously by your screen name, GSM GURU!, are a complete idiot. I'd like to see you and your idiot brother C4 GSM GURU terminat

Re: Wave Soldering Active Components

Electronics Forum | Sat Mar 20 00:29:07 EST 1999 | Vinesh Gandhi

| | Hi Folks, | | This is my first surface mount board, so I asked our assembly house for some tips. They said only passives on the bottom side-preferably no smaller than 0805, 0603 only if I have to. I would think that an SOT-23 would be OK on the b

Re: Adhesion loss on passives over wave

Electronics Forum | Mon Mar 22 18:03:15 EST 1999 | Marc

| | | | | Hi folks, | | | | | | | | | | I am looking for inputs on a long-standing problem encountered in our shop: Bottom-side parts (passives) falling off in the Wave...where the only remnants of the part is a flattened glue dot of proper diamet

Suspect BGAs

Electronics Forum | Tue Mar 16 17:05:14 EST 1999 | Jeff Dahlin

We are having a small number (~2%) of our boards pass our manufacturing diagnostics, fail once they reach the customer, fail when they get back to us and then start working again after handling them for a short time. We have eliminated a lot of item

Re: Suspect BGAs

Electronics Forum | Wed Mar 17 09:32:35 EST 1999 | Dave F

| We are having a small number (~2%) of our boards pass our manufacturing diagnostics, fail once they reach the customer, fail when they get back to us and then start working again after handling them for a short time. We have eliminated a lot of it


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