Electronics Forum: selective and wave and solder and pallet (Page 3 of 7)

Selective soldering pallets and solder balls

Electronics Forum | Tue Dec 03 15:26:07 EST 2002 | GSW

This might be a trival mundane suggestion but try to use non conductive plate to hold components. Probably even made of the pallet material. I am sure your pallet fabricator will have tons of scrap and he can help you find one. T

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

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

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

Wave solder pallets: lead and lead-free process

Electronics Forum | Wed Jul 27 16:27:57 EDT 2005 | GS

It may be you should look for higher TG of Durapol Rgds GS

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 | Mon Dec 02 16:19:11 EST 2002 | slthomas

Unfortunately it's nc or we'd be worrying about this on the fly. Non-contact is defintely and issue....this is an 18"x9" board with 1500 bottom side SMT parts that are scattered among the through-hole and vice-versa. We're currently using 7 hold-

Selective soldering pallets and solder balls

Electronics Forum | Wed Dec 04 14:09:52 EST 2002 | Vince Whipple

By the way, what type of preheaters do you have? IR? Convection? If you have IR, there may be a way to cheat. Vince W

What is the preffered spacing between PTH and SMT pads

Electronics Forum | Fri May 01 06:49:31 EDT 2009 | davef

minimum space between selective wave soldering pallet's opening to the nearest PTH or SMT pad? * http://www.agicorp.com/pdf_files/Designguidelines903.pdf * http://www.datumdynamics.com/resources/dfm_wavesolder.html?PHPSESSID=a73b3bc8bbd55519bffbb68

Wave solder pallets: lead and lead-free process

Electronics Forum | Wed Jul 27 22:09:49 EDT 2005 | Ken

My policy is not to mix them. You have zero cross contamination potiental with this policy.


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