Electronics Forum: excessive dross (Page 1 of 3)

Versaflow dross buildup

Electronics Forum | Fri Jan 25 11:49:09 EST 2008 | toddl

Hi all, I have an inconsistent situation. Lately, we seem to have excessive dross buildup in the solder pot which inturn causes the pot to overflow. Has anyone had a similar experience? Here are the details: age of machine= 9 years, flux used= Kester

Re: Fresh solder generating more dross - C'mon, you guys!

Electronics Forum | Thu Sep 17 12:10:57 EDT 1998 | Steve Gregory

Hi Folks, Need to draw upon the vast expertise in this forum... Whenever you fill a new wave solder machine with fresh bar solder, it seems to produce more than the normal amount of dross for a few weeks. I always understood this to be t

Re: Fresh solder generating more dross - C'mon, you guys!

Electronics Forum | Fri Sep 18 09:58:27 EDT 1998 | Chrys

Hi Folks, Need to draw upon the vast expertise in this forum... Whenever you fill a new wave solder machine with fresh bar solder, it seems to produce more than the normal amount of dross for a few weeks. I always understood thi

N2 delivery supply

Electronics Forum | Tue Mar 15 12:20:47 EST 2005 | Material Man

The use of nitrogen in lead free wave solder operations is primarily used to reduce or even eliminate drossing of the solder, thus improving solder yield. The higher priced lead free solder makeup (Cu, Ag) make this a more economical proces than the

Re: Skiming Dross From Solder Pot

Electronics Forum | Tue Nov 09 17:26:13 EST 1999 | Dave F

Horace: You weren't real specific about the set-up of the two machines. So what's the diff man?? Big dross generators are: 1 R Woodgate says that pump speed is the biggest driver to dross production 2 Chrys uses low dross cast bar: Alpha HiFlo 3

Micro Solder Balls and Vias bridging Issue

Electronics Forum | Tue Mar 03 09:29:48 EST 2015 | rgduval

A couple of things that have helped me with solder ball issues at wave in the past: 1. Flux. Insure good flux coverage on the bottom of the board. 2. Preheat. Insure that the board is sufficiently preheated for the wave operation. Since you're

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

Re: Anti-solder finishing

Electronics Forum | Mon Feb 07 13:26:14 EST 2000 | Dave F

Spacerwoman: Carol is a professional spacer problem fighter (we think). When people have problems with spacers, they call on SPACERWOMAN!!!!! Here she is to save the day � ;-) Selecting a spacer made of brass is a good choice for many applicatio

Re: 63/37 vs 65/35 solder

Electronics Forum | Tue Jul 27 10:37:47 EDT 1999 | John Thorup

We are currently using a 65/35 solder for our wave process but are considering switching to a 63/37 for a substantial cost savings. No one here seems to know why we everused a 65/35 formulation in the first place. I understand 63/37 to be pretty

Re: 63/37 vs 65/35 solder

Electronics Forum | Tue Jul 27 13:14:36 EDT 1999 | Bill Bannister

We are currently using a 65/35 solder for our wave process but are considering switching to a 63/37 for a substantial cost savings. No one here seems to know why we everused a 65/35 formulation in the first place. I understand 63/37 to be pre

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