Electronics Forum: greg (Page 24 of 42)

best way to get power to PCB

Electronics Forum | Thu Sep 11 16:06:34 EDT 2014 | gregp

Hello Esteemed Panel, I have a question...what is the most cost effective way to get power to a PCB? By this I mean connecting power and ground without a connector but something more reliable than soldering a wire directly to the PCB. Whatever solut

through hole questions

Electronics Forum | Fri Nov 21 10:28:23 EST 2014 | gregp

Hi Adam, So with two to three people on the slide line, each only able to place five different components maximum, this means you generally don't exceed 10-15 through hole parts per assembly, correct? I am guessing these are mixed technology boards

Flux splatter issues

Electronics Forum | Fri Feb 05 09:13:13 EST 2016 | emeto

Hello Greg, there are several things to be considered: I will start this investigation in the oven. Look in your cooling zones. Many ovens build up a lot of flux there(especially the ones with water cooling) and should be cleaned every so often.

Re: AR vs. UR

Electronics Forum | Fri Mar 26 13:02:18 EST 1999 | Scott McKee

Sorry, in the following message I'm agreeing with Graham - not Greg... | | I am looking into replacing another business division's Acrylic coating process with our Urethane coating process. Unfortunately, MIL-I-46068 doesn't differentiate AR/UR's p

Re: AR vs. UR

Electronics Forum | Fri Mar 26 12:59:51 EST 1999 | Scott McKee

| | I am looking into replacing another business division's Acrylic coating process with our Urethane coating process. Unfortunately, MIL-I-46068 doesn't differentiate AR/UR's performance, and the MFR data sheets don't match up at all (they each spe

Re: AR vs. UR

Electronics Forum | Mon Mar 29 04:36:49 EST 1999 | Graham Naisbitt

Just for the record folks, The customer I believe may be manufacturing stuff for refuelling rigs of various forms. This being the case, the coating would need to be resistant against fuels and oils. The UR material (at least ours!) is able to resi

Re: AR vs. UR

Electronics Forum | Mon Mar 29 19:17:47 EST 1999 | Scott McKee

How true, AR would not be the right choice... Scott | Just for the record folks, | | The customer I believe may be manufacturing stuff for refuelling rigs of various forms. | | This being the case, the coating would need to be resistant against f

Wave Solder Dwell Time

Electronics Forum | Sat Nov 04 20:17:25 EST 2000 | Greg G

Hi Guys, I'm sorry to ask you this, but I got mixed infos from the archive. I want to define a process in wave soldering regarding bd-wave interaction. Now "What's the required dwell Time of a lead in the solder bath?" Some says 3-5 secs is good, som

Re: Wave Solder Dwell Time

Electronics Forum | Sat Nov 04 22:26:33 EST 2000 | Aoki Laboratories Ltd.

Greg, The operating parameters for Wave Soldering are: 1. Preheat Temp. (80-110 c, board surface); 2. 1.5-3 secs dwell time in solder. This, 1.5 second, is the time required for both the lead and solder to gain sufficient heat and as a result "tinn

Re: Equipment/Line Capability Study

Electronics Forum | Tue Sep 26 11:03:00 EDT 2000 | Wolfgang Busko

Greg: You might look for : - smallest board size - largest board size - finest pitch you are able to handle (safe) - Parts/hour - units/hour (If you find your bottleneck it will be easy to determine) - number and kind of feeders, components per line


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