Electronics Forum: soldering fluxes (Page 5 of 340)

lead free selective soldering

Electronics Forum | Thu Nov 03 09:43:55 EST 2005 | lupo

Check flux penetration and type of flux. How much is solid contents. The solder filling is better under Nitrogen. Check the time (speed) of the nozzle whether is correct. Usually For SAC305 the temperature of bath is 320C/degrees, but only for sel

SPC control-Wave soldering

Electronics Forum | Sun Aug 02 10:29:28 EDT 2009 | Sean

Hi all, If we are using non clean flux, what are the wave soldering parameters that we should monitor using SPC control chart? If not mistaken pre-heat is one of the important parameter that we should control.. Thanks, Sean

SPC control-Wave soldering

Electronics Forum | Wed Aug 12 09:01:53 EDT 2009 | gregoryyork

Hi Can you be a little more specific with wave solder machine name and method of applying flux and if lead free or not then can come back with some meaningfull figures Cheers GREG BLT

soldering contaminated parts

Electronics Forum | Tue Jan 13 12:13:18 EST 2004 | Pcopeland

I am having a problem soldering some thermistors, 0805 package. They appear to be comtaminated, is there a really agressive flux I could use to help solder these parts.

LED lifted soldering defect

Electronics Forum | Thu Dec 05 05:39:05 EST 2019 | oxygensmd

I know your application isn't BGA but the data sheet also mention about the peak temperature - 235 Celsius. For the LEDs you can reach higher temperature and I recommend to reach 225-235 Celsius. You will get significantly better results because the

Wave soldering defects

Electronics Forum | Mon Dec 26 14:04:42 EST 2016 | luciano

Hi all, I'm having some troubles while trying to set up a wave soldering machine that was working just fine until a few weeks ago. The wave soldering machine is quite basic chinese made. It's 2 meters long, has spray fluxing and a short preheating

not good soldering

Electronics Forum | Wed Aug 29 12:12:14 EDT 2018 | solderingpro

What type of flux are you using today? - Obviously you have already outlined the difference in the parent materials and parent material preparation, so using the same program/profile will not work; the characteristics are different. Try increasing p

Blowholes during wave soldering

Electronics Forum | Thu Sep 06 17:37:05 EDT 2007 | hakerem

Hi Joris - There is an excellent wave solder guide called "Take No Prisoners" that includes instructions for attacking and eliminating solder balls and preventing their recurrence: 1. Increase Dwell Time Solder balls are normally caused by too much f

Microflame vs laser soldering

Electronics Forum | Fri Dec 09 08:24:48 EST 2005 | zanolli

Dear Technetters We have a unique soldering operation that needs automation and we will be evaluating various methods including laser reflow and Spirig�s Microflame. The actual soldering operation entails joing two metal contacts by depositing a sol

Wave soldering defects

Electronics Forum | Thu Dec 29 10:41:42 EST 2016 | luciano

Thanks Evtimov, The flux is brand new and the amount of flux is enough and consistent across the surface of the boards.


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