Electronics Forum | Wed Aug 21 09:09:50 EDT 2013 | wcheew
I am having solder barrel fill issues on THM component, we follow, we follow IPC 610 E requirement. The barrel fill issues happen on signal & ground pin at connector & E-cap. I found out that most of the insufficient solder happen on the connector ag
Electronics Forum | Wed Aug 21 17:03:13 EDT 2013 | hegemon
I think your pre-heat temp is a little low for SAC 305 Soldering. Especially with a Pallet. You might want to try to add some time and temp to get the PWB itself preheated up to 150-160C. That should help with the barrel fill. Make sure your board
Electronics Forum | Thu Dec 18 18:21:34 EST 2008 | gregoryyork
Hi Peter Its looks on a par with mine so not bad at all but our alloy is considerably cheaper than SAC305 and significantly shinier We used our 10-75-30-R VOC free flux with topside of 100 - 105C Cheers Greg
Electronics Forum | Thu Dec 18 14:38:41 EST 2008 | easton
I think the BLT solder joints look very shiny for no-lead. We are getting very good top side solder with ours though. They look like this. - Gold Enig plating - Alpha EF-6100 Flux - SAC305 - Preheat topside temperatures at 110 to 120C
Electronics Forum | Wed Dec 10 00:15:07 EST 2008 | jeffjarmato
Are there any good solutions for getting good barrel fill on PTH boards using Pb Free solder and No Clean flux. All of our boards are having issues getting minimum required fill per IPC. It does not matter if the board is 062 or thicker, any pin conn
Electronics Forum | Wed Dec 19 09:41:14 EST 2012 | dyoungquist
What is your solder pot temperature? We found that on a 0.093" multilayer board increasing the temp of the lead free solder from 300C to 315C helped with the barrel fill.
Electronics Forum | Thu Dec 11 19:24:55 EST 2008 | gregoryyork
some lead free solders do not flow well and need encouragment. what are you using solder/flux wise and machine/settings including dwell times cheers greg
Electronics Forum | Fri Dec 12 09:32:57 EST 2008 | patrickbruneel
Greg, You say �some lead free solders do not flow well� Are there lead free solders that flow as good as conventional leaded solders?
Electronics Forum | Fri Dec 12 10:00:57 EST 2008 | gregoryyork
Hi Patrick Yes we have some that you cant tell the difference. BUT machine set up and angle are extremely important with Lead Free as is the dosing alloy. Cheers Greg
Electronics Forum | Fri Dec 12 11:58:19 EST 2008 | gregoryyork
Hi Patrick We get this with the right settings in a small machine without Nitrogen Nice picture of yours as well Cheers Greg