Electronics Forum: solder and dross and elimination (Page 1 of 5)

Quantity of dross and type of flux

Electronics Forum | Tue Nov 14 04:17:22 EST 2000 | Mohammed Saad

Hi, I need some information about the relation between the type of flux used in wave soldering and the quantity of dross produced. Thank you in advance for your help Mohammed

Re: Quantity of dross and type of flux

Electronics Forum | Tue Nov 14 22:01:07 EST 2000 | Dave F

I'd love to get to the point that I could discuss the impact of flux on dross formation. Until then, I fight with proper solder pot temperature, maintaining enough pump speed, and solder contaminants.

Re: Quantity of dross and type of flux

Electronics Forum | Tue Nov 21 22:15:59 EST 2000 | Vince Whipple

Mohammed, The first suggested place to start with your question would probably be with your flux Mfr. Push them! The quantity of dross is effected by several factors: The higher your solder pot temp., the higher your dross level... but don't go too

wave soldering and solder bridge

Electronics Forum | Mon Dec 17 12:06:58 EST 2007 | pjc

5 Steps to Eliminate Bridges: 1. Establish (wave) Parallelism First and foremost, you must establish board-to-wave parallelism. This is the prerequisite to any wave solder process control. For an understanding of the power of this approach go to ht

WSOL and solder pot

Electronics Forum | Wed Mar 12 12:28:52 EDT 2008 | operator

I recently witnessed a process in which the solder pot operator used Techspray WSOL water soluble masking to cover the areas around a connector that was to be soldered on the solder pot. He did not wait for the WSOL to cure. He soldered immediately.

wave soldering and solder bridge

Electronics Forum | Mon Dec 17 19:01:45 EST 2007 | bbarton

As someone with a LOT of experience with the "low cost" alternative alloys, primarily SACX, I have one simple question....Are these shorts a new phenomena? WAS your process in control, and all of a sudden it's not? If the answer is YES, take a look a

No solder and solder bridge after Wave solder machine

Electronics Forum | Thu Nov 17 21:46:48 EST 2005 | C. Kolokoy

With DIP type components, a sub-par fluxing method (foaming a no-clean), and a chip wave where one is not needed are formulas for bridging and insufficient wetting. If you have SMD's on the wave solder side of the board greater than 0603, and no SOT

Selective soldering pallets and solder balls

Electronics Forum | Tue Dec 17 08:38:30 EST 2002 | Randy Villeneuve

Jim, In most cases if you can eliminate a process you will save money. With that in mind, an all surface mount or all through hole design is prefered. There are alternatives to that rule, like hybrid designs that can be pin and paste soldered. It al

Blue color in solder bath and tinned lead

Electronics Forum | Thu Mar 10 13:05:41 EST 2005 | patrickbruneel

This phenomenon is caused by a high amount of halogens (Cl, Br etc.) used in the flux activators or in the flux surfactants. We've seen effects creating all colors of the rainbow. Changing to No-Clean (halide-free) will eliminate this color effect.

Touch-up and Inspection Process

Electronics Forum | Tue Mar 01 13:51:23 EST 2005 | pjc

pr is 100% correct, can't have visual inspectors touching up for the reason he states. I have always seen that- when in doubt they will always "touch up". Touching up is always a bad thing. Looks like you have some problems that need fixing to elimin

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