Electronics Forum: wave and solder and check and list (Page 1 of 4)

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.

SMT Solder paste and wave flux evaluation

Electronics Forum | Sat Jan 29 05:43:51 EST 2005 | Chua

Hi Chunks, Thanks for your input. Appreciate you could send me a copy of your evaluation list as this type of evaluation is new to me..... Here is my email address :- pgchua@cyberway.com.sg Thanks.

SMT Solder paste and wave flux evaluation

Electronics Forum | Fri Jan 28 12:29:01 EST 2005 | Bob R.

We use the exact same method Chunks outlined for evaluating just about anything we're going to roll out worldwide, whether it's a material or a machine. List your factors (print speed, solder spread, etc), assign each a weight, evaluate each paste a

SMT Solder paste and wave flux evaluation

Electronics Forum | Fri Jan 28 12:18:32 EST 2005 | Chunks

Your best bet is to do a decision making matrix. Each company has so many different criteria�s it's hard to pick out which one might be important to yours. Simply pick out your top 5 paste manufactures. Next decide what your "Eliminators" are - th

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

No solder and solder bridge after Wave solder machine

Electronics Forum | Thu Nov 17 08:57:39 EST 2005 | russ

No clean and foam fluxing is not a very good process from my experience. I know that the flux manufacturers claim that they are suitable but I am not sure what "suitable" means. I would bet that you have very inconsistant flux coverage. How often

Selective soldering pallets and solder balls

Electronics Forum | Thu Dec 05 11:36:30 EST 2002 | William Guatemala

Have you check the flux gravity lately? If not, Check the flux gravity every 6 hours to make sure proper parameters are meet. Here is a list of things that may cause your solder ball problems; Excecive heat, defective fixtures, preheating temperature

Selective soldering pallets and solder balls

Electronics Forum | Mon Dec 02 18:01:12 EST 2002 | GSW

Hi, Try to check if there is water absorbed in the flux or the humidity around the wave area. possibly plating on barrels that might be damaged?

Use and Restrictions of solder containing lead

Electronics Forum | Thu May 29 17:48:00 EDT 2003 | jonfox

As far as I know, the limitations apply to to the manufacturing components, not the equipment per say. At this point there is no set date for the US at the national level. Basically our government is run by big businesses and their effect on our na

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

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