Electronics Forum: what causes a pressure control fault (Page 2 of 41)

Re: Srceen Printing control parameters

Electronics Forum | Thu Aug 19 19:10:31 EDT 1999 | Brian Wycoff

| | | | Hello, | | | | | | | | Can any netters suggest what critical parameters should be considered & what are there assoicated impacts for a solder paste printing process ... | | | | | | | | B.Regards, | | | | Felix | | | | | | | I have a proce

What pressure is recommended to clean AMT boards after reflow

Electronics Forum | Fri Sep 07 15:19:42 EDT 2001 | davef

Watt tiepoo? [Cereally, you can usually fix typos after you post by using the P yellow �edit� button that shows when you are looking at your posting.] We�re had people on SMTnet that were washing their boards with a brush attached to the end of a ga

How to associate the patterns in SPC charts to the root causes o

Electronics Forum | Thu Apr 03 09:27:04 EST 2003 | davef

First, welcome to SMTnet. On your question, are you talking about control charts? If so, here's some background on control charts http://deming.eng.clemson.edu/pub/tutorials/qctools/ccmain1.htm What are you plotting: * Independant variables? * De

what is the cause of green decay on the soldered wires

Electronics Forum | Wed Dec 07 07:20:02 EST 2005 | davef

We need more information about the situation. For instance: * Describe the green residue * Talk about the distribution of the problem, including a single lot or from various lots and over components and component types on the board * Tell us about t

After a bit of printer pneumatics chat

Electronics Forum | Fri Aug 24 07:21:51 EDT 2012 | leemeyer

The barbed fitting will work but you will lose all control over the speed of the cylinder. The air control flow valve is essentially the same as the barbed fitting but it allows the user to adjust the volume of air that is supplied to the cylinder wh

Re: Hey Ya'll, let's talk about Lead fer' a bit...

Electronics Forum | Wed May 05 03:57:00 EDT 1999 | Bernard Mulcahy

| Hi Ya' John! | | Here's my comeback to the points you've raised...you knew I would have a comeback, didn't ya'? | | |Steve, | | | | I see your point, and yes there are alot bigger fish to fry in |the removal or control of lead in the environment

Re: Maybe a sprayfluxer will do

Electronics Forum | Thu Aug 24 12:04:05 EDT 2000 | Wolfgang Busko

I see that it�s not a well intended process you run, just born out of necessity. It�s good to see that someone always finds a solution (McGyver-like) if he encounters a problem although this one seems rather specific. Normally I would say "never chan

Possibility of a cheaper pick and place machine design?

Electronics Forum | Wed Sep 10 23:06:36 EDT 2014 | andrespena

Sorry 10 days passed before I replied. This happened and that happened and I completely forgot about this forum. But here's my explanation: 1. How to get parts on the board? This is a very good point, and I totally understand why you believe I hav

Re: Hey Ya'll, let's talk about Lead fer' a bit...

Electronics Forum | Sun May 02 18:44:26 EDT 1999 | JohnW

| | How's the "Great Gas-out" going for ya'll? | | | | Myself, I'm doing real good! Haven't farted all day...(GRIN) | | | | Anyways, a thread got started down below about this so-called "Lead Free" stuff, and I just wanna' put my two cents in about

Hey Ya'll, let's talk about Lead fer' a bit...

Electronics Forum | Fri Apr 30 15:09:56 EDT 1999 | Steve Gregory

How's the "Great Gas-out" going for ya'll? Myself, I'm doing real good! Haven't farted all day...(GRIN) Anyways, a thread got started down below about this so-called "Lead Free" stuff, and I just wanna' put my two cents in about the whole thing. We


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