Electronics Forum | Thu Jul 20 16:28:55 EDT 2000 | Bob Willis
Most robust wave soldering machines will cope with lead free alloys. The temperatures in air that we have run has been between 260-265C. In my opinion the dross generation has not been significantly effected. I was doing a workshop for a well known
Electronics Forum | Wed Aug 30 16:00:42 EDT 2000 | Dave F
Russells: You can mix the two solders you mentioned, assuming by "96s" you meant "96Sn / 4Pb". If you heat the two tin / lead alloys to a liquid state, you�ll form a tin / lead solution with properties different from either of the two solders. The
Electronics Forum | Thu Jun 04 14:35:11 EDT 2009 | floydf
We wound up using a ramp to spike profile with 50 sec. between 150C and 217C and 90 sec. above 217C. The idea being the flux is still active when it hits reflow, and it stays in reflow long enough for the weird alloy in the parts lead to wet. All par
Electronics Forum | Sat Nov 21 12:28:00 EST 2009 | flipit
There is evidence of lead being used in soldering 5000 years ago in Mesopotamia. Not a big issue for most people doing SMT but the poster should also understand why percent metal is adjusted for different solder paste alloys. You print by volume b
Electronics Forum | Thu May 11 11:25:56 EDT 2017 | davef
Key to Rosin Fluxes [from SUPERIOR FLUX & MFG. CO.] Type R (Rosin): Non-activated rosin flux for soldering copper. Residues are non-corrosive and non-conductive. Type RMA (Rosin Mildly Activated): Mildly activated rosin flux that contains no chlori
Electronics Forum | Fri May 14 00:28:09 EDT 1999 | Mike D.
| I am seeing reflow around my signal pins after being subjected | to a profile of 204c for 1 minute and 225c for a min of 30 seconds. Signal pins are soldered into a copper plated alum. case with SB5 and then silver plated. The pins have a hot oil
Electronics Forum | Thu Sep 08 06:19:55 EDT 2005 | lupo
Hello, Could anyone provide some support concern issue with vertical fill of through hole solder. Our lead free wave soldering process is not capable to fill 100% (requirement of our customer)through hole. We made everything (DoE) - different amoun
Electronics Forum | Thu Jul 03 07:43:50 EDT 2003 | davef
So, there is a crack or gap between: * Solder and component termination. * Component termination and component body. Correct? Describe: * Coarseness / smoothness of the metal on the termination underneither the crack. * Solder left on the terminatio
Electronics Forum | Mon May 16 18:03:30 EDT 2005 | davef
Key Issue: Will this machine solder your boards? You never know until you solder one. Any other avenues of analysis involve substantial risk. Flux Selection * High or low solids * VOC or VOC-free Solder Alloy * If using lead-free, avoid stainles
Electronics Forum | Fri Mar 01 17:39:58 EST 2013 | davef
The LF wave solder solder alloy that marketing-types of other LF wave solder alloys compare themselves to is Nihon Superior SN100C
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