Electronics Forum: solder and correlation (Page 6 of 113)

Evalution on solder paste and spray flux

Electronics Forum | Wed Jan 26 20:52:06 EST 2005 | Chua

Hi, I'm going to evalute new solder paste and flux for wave-solder. Appreciate you could advise what are the things need to look out during the evalution. Any recommend step or proper way of doing solder paste and flux evalution. Appreciate your he

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

Cleaning Wave solder fingers and chain

Electronics Forum | Tue Aug 26 17:02:10 EDT 2008 | allwave

What brand of flux and wave solder machine are you using? George

Selective soldering pallets and solder balls

Electronics Forum | Mon Dec 02 17:02:28 EST 2002 | Vince Whipple

Steve, I agree with the recommendation to check the temperature. This is the first place to go. Is this an IPA or water based Noclean? What is the topside temp of the assembly at the effected areas? If you are too cold you will have a tendency to hav

Selective soldering pallets and solder balls

Electronics Forum | Wed Dec 04 09:24:52 EST 2002 | jseagle

I have found that preheating the solder pallets prior to use helps cut down on the solder balling. Also, we do not cool the pallets between passes and we use a spray fluxer because a hot pallet will knock down the head on a foam fluxer. We use WS f

kapton dots and liquid solder mask

Electronics Forum | Tue Aug 09 12:12:57 EDT 2005 | davef

Why are you placing Kapton dots on your board prior to wave soldering? * Prevent solder from touching the hole and the area around it. [If so, why do you need to do this?] * Prevent solder from flowing up through the hole and coating portions of the

kapton dots and liquid solder mask

Electronics Forum | Tue Aug 09 13:51:03 EDT 2005 | patrickbruneel

You can also insert a stainless steel screw the size of the hole in the board before wave soldering, this will prevent the solder from wicking up to the top or close the hole (this is real cheap). I still remember the good old days using toothpicks t

Selective soldering pallets and solder balls

Electronics Forum | Mon Dec 02 13:16:31 EST 2002 | kenBliss

Hi Steve The people who will have the answer is the experts at EMC Global Technologies. They know their stuff, they are the leader in the solder pallet industry. They design and build them to work right. http://www.emcgti.com for contact info. Hop

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

Wave solder pallets: lead and lead-free process

Electronics Forum | Wed Jul 27 15:54:44 EDT 2005 | Hiram

Hi everybody, We have wave solder fixtures made of Durapol and multiple wave solder machines. Most likely we�ll use the same pallets for either tin-lead or lead-free solder for a while (of course after washing the pallets). Should we test the palle


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