Electronics Forum: greg york (Page 2 of 4)

Wave soldering problem - strange colour of the solder

Electronics Forum | Tue Jan 16 18:18:46 EST 2007 | greg york

Sorry that answer never really gave you the reason and ways to resolve. Reason - most composite pallets are only good up to 180C so thermal excursions at 250 or even 270c lead free kill them. Try to stay on top of cleaning as well and some pallet mat

Wavesolder PCBs encounter pinholes

Electronics Forum | Fri Jul 23 05:14:40 EDT 2004 | greg york

Hi Thomas Ever considered that this maybe HASL flux left on PCB as this is extremely hygroscopic and has heat transfer fluids that cannot be baked out unless you go to a temperature of around 600C. One way of testing is to leave iron tip on joint an

Dross Eliminator

Electronics Forum | Thu Sep 07 16:50:44 EDT 2006 | greg york

Just reading these comments are really interesting but very baffling. That if the solder manufacturers produces solder which 'is' actually Virgin high quality material and treated with conventional metallic anti drossing agents AND continue to add th

Chinese Wave Solder Machines

Electronics Forum | Mon Nov 27 16:52:18 EST 2006 | greg york

Hi Bill Mostly in the UK, but originally saw the problem when I helped on one install in Malta on a chinese mc set at 5 degrees and had nightmare bridging. changed the angle to 6.5 ish and results were instantly better actually better than what they

Wave Solder - solder bubbles/outgassing??

Electronics Forum | Tue Nov 21 19:23:15 EST 2006 | greg york

Had exactly the same problem the other week. Baked some boards did improve slightly but not convincingly. Washed bare PCb and found excessive HASL fluids left on board from improper rinsing and problem disapeared. Baking HASL fluid out is impossible

AuSn Alloy Solder Electroplating

Electronics Forum | Wed Sep 29 17:59:59 EDT 2004 | gregoryyork

I would be interested in this as well. Can you forward me some details. thanks Greg York Technical Sales Manager BLT Circuit Services Ltd - UK

Solder Analysis

Electronics Forum | Wed Jan 18 17:35:08 EST 2006 | gregoryyork

We manufacture solder and dont charge, so agree with the others and change elsewhere just make sure you are changing to better material if unsure stick with what you have and pay for it under duress. Cheers Greg York BLT Circuit Services Ltd England

OT: Wavesolder Process Engineer Needed

Electronics Forum | Thu Jul 10 10:39:47 EDT 2008 | gregoryyork

Whats the money like, I would do anything to get away from the Bureaucrats from Brussels running our country. Best regards Greg York

lead free 0603 wave soldering

Electronics Forum | Tue Dec 09 19:04:54 EST 2008 | gregoryyork

you need to check your angle on this, can you measure and advise what you have cheers Greg York


Electronics Forum | Thu Dec 10 06:01:22 EST 2009 | gregoryyork

have you checked solder resist cure as this will cause the glue to lose adhesion if not cured correctly especially if dwell time sin the wave are excessive i.e 4-5 seconds cheers Greg York

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