Electronics Forum: forum (Page 5351 of 7890)

Re: ABW Reflow Oven

Electronics Forum | Tue Aug 31 10:45:53 EDT 1999 | Dave F

| Need info on ABW Relow Oven such as manuals, software or contact info technical support. | | Thanks! | Lee: ABW became cash poor and went goooosh!!! about 5 years ago. Manix Manufacturing holds the ABW design rights, manufactures and markets "

Re: SPOT (Solder Paste On Thru-Hole)

Electronics Forum | Tue Aug 31 17:53:02 EDT 1999 | Dennis_F

| | | | | | Planning to evaluate the above process... | | | | | | Can anyone can give me some tips/infos on the above.... | | | | | | e.g. stencil aperture design, aperture ratio, common problems and solutions they encountered on the above process, i

Re: Solder paste tube disposal

Electronics Forum | Sat Aug 28 09:11:38 EDT 1999 | Mike McMonagle

| Recently, our solder dross reclaimer refused to take our | used solder paste tubes. He said the small percent of paste | remaining in the tube is now considered hazardous waste. I'm interested in advice on how others are disposing of this "hazardou

Where can I get delmat material

Electronics Forum | Wed Aug 25 09:51:37 EDT 1999 | Mike F

Can anyone tell me where I can get a good lightweight material to use for a soldering fixture? I need to make various fixtures to hold LED's vertical during the soldering process, and keep them from floating up off the board surface. At a different

Re: Where can I get delmat material

Electronics Forum | Wed Aug 25 10:05:56 EDT 1999 | Ray Hare

| Can anyone tell me where I can get a good lightweight material to use for a soldering fixture? I need to make various fixtures to hold LED's vertical during the soldering process, and keep them from floating up off the board surface. | | At a dif

Re: Tombstoning of chip capacitors

Electronics Forum | Tue Aug 24 15:15:43 EDT 1999 | John Thorup

| Could use a little help here. Can anyone clarify to me the cause and fix of chip caps/resistors tombstoning following reflow? | | Any help would be appreciated. Thanks. | Most common reason is uneven heating where one side of the component ach

Re: No-clean stencil apertures

Electronics Forum | Wed Aug 25 21:51:13 EDT 1999 | Jason Tomlinson

| Does anyone have any information on stencil aperture/pad ratios for noclean solder paste. In the past I have experienced severe solder ball problems when using the same size apertures from aqueous products as I do with the No-clean products. Cons

Re: screen printing adhesives

Electronics Forum | Wed Aug 25 19:31:22 EDT 1999 | Dave F

| JUST WANDERING IF ANYONE IS PRINTING ADHESIVE ON THE BOTTOM SIDE OF BOARD WITH THROUGH HOLE COMPONENTS ALREADY PLACED. I'VE BEEN TOLD IT IS POSSIBLE BUT WANT TO LOOK INTO THIS PROCESS IN DEPTH. | Chad: You don't need to YELL!!! Anyhow, yes we ha

Re: Cylindrical diodes Missing during SMT process.

Electronics Forum | Tue Aug 24 16:11:21 EDT 1999 | Scott Cook

| Hello everyone, | We found many cylindrical diodes missing during SMT process. Could someone tell us how to prevent this problem? Is it effective to change the shape of stencil apture or reduce fan speed in reflow oven? Thanks in advance. | | Gyve

Tooling pins

Electronics Forum | Mon Aug 23 20:06:49 EDT 1999 | Peter

I am looking for a source of tooling pins (various diameters) which can be easily attached (ie. taped) to pieces of FR-4 stock to allow for quick and cheap fixtures to run in my smt machines. I've seen these in the past where the pins are attached t


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