Electronics Forum: discoloration and wave and soldering (Page 8 of 29)

buying guide for used double wave solder and ICT machine

Electronics Forum | Thu Apr 01 08:44:58 EST 2004 | pjc

Be smart, be skeptical and be educated on the machines you are looking at. If you are going to do business with someone you don�t know, check them out. Ask others in your region and get at least ten customer references from them.

Re: Standard pad sizes for reflow and wave

Electronics Forum | Fri Sep 03 03:56:41 EDT 1999 | Wolfgang Busko

| We've noticed that there are many different recommendations for pad sizes for various SMT parts. This seems to vary wildly from manufacturer to manufacturer for the same case sizes. Is there any standards that can used used to specify these sizes

Contamination/process issues of SMT and wave soldered pcb's

Electronics Forum | Wed Jul 09 19:05:06 EDT 2003 | randywomack

LOZ. Under-cured or out-of-spec(sloppily) applied resist is realistic. What other physics: Shiny resist surface is more prone to balls then matte finish. How about an operator eating fish & chips before handling the boards. Don't laugh... ... saw th

buying guide for used double wave solder and ICT machine

Electronics Forum | Wed Mar 31 21:02:53 EST 2004 | darburch

If you find your self interested in an electrovert machine we have a UP600 for sale, a good machine if you have experience with electrovert. As for a buying guide I'm not sure if there is a reliable source who has compared the different models.

buying guide for used double wave solder and ICT machine

Electronics Forum | Fri Apr 02 02:37:43 EST 2004 | darburch

We are asking $10,500us for this machine, as for shipping I will see what I can come up with as we are in Canada. This is a dual wave machine with foam fluxer. It has not run in 3 years but when we had it in production results were favorable and cons

Contamination/process issues of SMT and wave soldered pcb's

Electronics Forum | Thu Jul 03 07:53:57 EDT 2003 | davef

That has to be the worst of all worlds. Someone goes out and buys the cheapest parts they can find, gives them to you [Loz], and wants you to assemble a perfect product. Well, it would be nice if you could console yourself by making Derick Jetter m

Contamination/process issues of SMT and wave soldered pcb's

Electronics Forum | Thu Jul 03 18:14:03 EDT 2003 | russ

Kris, I don't know what I HAVEN'T SEEN yet cuz I haven't seen it. (HAHAHA) It is kind of like when you are looking for something and you always say after you found it that it was the last place you looked (Why would anyone keep looking for something

Re: Standard pad sizes for reflow and wave

Electronics Forum | Mon Sep 06 19:59:59 EDT 1999 | armin

| | | We've noticed that there are many different recommendations for pad sizes for various SMT parts. This seems to vary wildly from manufacturer to manufacturer for the same case sizes. Is there any standards that can used used to specify these s

Re: Standard pad sizes for reflow and wave

Electronics Forum | Fri Sep 03 14:37:45 EDT 1999 | JohnW

| | We've noticed that there are many different recommendations for pad sizes for various SMT parts. This seems to vary wildly from manufacturer to manufacturer for the same case sizes. Is there any standards that can used used to specify these siz

Re: Discoloring of Soldermask and silkscreen

Electronics Forum | Mon Apr 19 20:49:13 EDT 1999 | Dave F

| Netters, | | When I reflow a PCB there is a discoloration of silkscreen and mask. It appears if Profile is too hot! But I dont think so, maybe I'm wrong? | | 1. Kester 293 no clean | 2. 2.1 C/s for 30s to 150 C | 3. .5 - .7 C/s for 60s to 185


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