Electronics Forum: dross suspended in pot (Page 1 of 3)

bubbles in solder pot

Electronics Forum | Wed Mar 15 11:34:28 EDT 2023 | proceng1

I'm sure this isn't the same situation, but we did have a selective solder machine with crazy dross and solder ball build up. Turns out the operator switched the low pressure nitrogen line used for solder level and the high pressure nitrogen line fo

Solder pot contamination

Electronics Forum | Mon Aug 09 20:47:21 EDT 2004 | KEN

I think OA flux left on the pot would quickly looses its activity and become part of the dross waste stream, and smoke stream for that matter. Also, if your wave is setup properly your selective pallets will scour (push) the top of the lambda wav

Backward compatibility in LF solder pot

Electronics Forum | Fri Jul 22 07:36:18 EDT 2005 | Guest

It's the same like asking wether you get a gold-contaminated solder pot when soldering ENIG boards. As long as the replenishment of dross is large compared to the intake of contaminant, the contamination level will stay within acceptable levels.

To reduce the dross formation in wave soldering process

Electronics Forum | Mon Apr 19 11:36:10 EDT 2010 | baildl632

We installed a fixed distance optical sensor above the conveyor rail and "wired it" throught he machines terminal bus to cut the pump on only when a board was present at the pot. We also installed a timer in line so the pump would only stay on long e

To reduce the dross formation in wave soldering process

Electronics Forum | Mon Apr 26 09:54:59 EDT 2010 | baildl632

What type of wave machine? Does your machine have a pump speed dial? Does your machine have the ability to raise and lower the pot? Raise pot to as close as possible to the pallets/boards and make sure they can pass over the nozzle without hanging o

To reduce the dross formation in wave soldering process

Electronics Forum | Thu Apr 15 10:09:55 EDT 2010 | davef

Dross formation rates for SnCu and SAC are roughly 2.5 times the rate for SnPb (Hwang et al., 2004) Methods for reducing dross are: * Lower pot temperature * Run pump speed slower and only when soldering * Check solder contaminants to BS219, ASTM

exessive yellow-gold coloring in the solder pot with tin-silver-copper alloy

Electronics Forum | Mon Sep 25 15:32:21 EDT 2023 | joeljacobo

hello colleagues, Hoping that everyone is doing well, I am reaching out to you in the hope that your experience can help me. We have a wave solder with sac0307 alloy and the pot has turned a golden color, at first I thought it was common tin oxidat

DROSS in Wave

Electronics Forum | Sat Dec 02 04:46:50 EST 2006 | Madhan

What is the best Dross remover for PB Free Solder pot in WAVE. What is the time frequency to clean DROSS.

DROSS in Wave

Electronics Forum | Sat Dec 02 11:35:30 EST 2006 | davef

Best dross remover is to not produce dross. Search the fine SMYnet Archives for previous discussions Dross will not increase signicantly * Another story, that lead-free solders will generate a greater volume of dross than conventional materials, is

Leadfree Dross in Wave Solderpot

Electronics Forum | Fri Feb 25 18:13:17 EST 2005 | davef

Your leadfree dross should float, similar to your leaded dross. It's possible you're thinking about the process for removing excess copper from the solder pot. Following the same process, with: * Leaded solder, the copper floats. So, you scoop the

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