Electronics Forum: spill and solder (Page 2 of 104)

Soldering robot and solder balls

Electronics Forum | Tue Jun 20 15:08:30 EDT 2017 | ranap121212

Hello I have the problem with selective soldering on the robot. Thin balls appear on the laminate. The tin sometimes shoots...? and then the balls are a few millimeters from the soldering point. I tried up or down with temperature, but it did not wor

wave soldering and solder bridge

Electronics Forum | Mon Dec 17 10:46:04 EST 2007 | realchunks

First of all, more info is needed. Solder shorts can be caused by much more than flux. Is the solder short always in the same spot or all over the place? More detail please.

Re: solder balls and flux

Electronics Forum | Wed Mar 01 16:59:44 EST 2000 | Dave F

Robert: Expect a 0.033" raw ball to be within 0.022" of the pad, after reflow. To be clear, that�s not a matter of shrinking by 33%. The volume of solder on the pad is the same as the volume of solder in the raw ball. It�s just that the solder is

Re: solder balls and flux

Electronics Forum | Wed Mar 01 16:59:44 EST 2000 | Dave F

Robert: Expect a 0.033" raw ball to be within 0.022" of the pad, after reflow. To be clear, that�s not a matter of shrinking by 33%. The volume of solder on the pad is the same as the volume of solder in the raw ball. It�s just that the solder is

Soldering robot and solder balls

Electronics Forum | Mon Jun 26 08:57:17 EDT 2017 | capse

If N2 is not an option, the cut wire feeder or drilled wire are your best bet for now. You need to optimize wire feed rate as well. The solder joint on the robot takes about the same time to form as in manual soldering. If you need to speed the solde

Soldering robot and solder balls

Electronics Forum | Thu Jun 22 15:05:55 EDT 2017 | solderingpro

There are several different technologies in the industry today to assist in the out-gassing of flux cores. On automated soldering systems, there are two main types of perforating solder feeders: - Hole Drilling - "V" Scoring By perforating the so

wave soldering and solder bridge

Electronics Forum | Mon Dec 17 21:11:13 EST 2007 | davef

Thanks bud. Merry Christmas and happy holidays to all.

Soldering robot and solder balls

Electronics Forum | Wed Jun 21 19:01:48 EDT 2017 | mac5

Try baking the boards; you may have a moisture problem.

Soldering robot and solder balls

Electronics Forum | Sat Jun 24 07:49:58 EDT 2017 | ranap121212

@Capse, No but the machine has such a construction, I can not this change

mask finish and solder balling

Electronics Forum | Fri Feb 19 14:43:46 EST 1999 | Nithy

We are in the process of getting into no-clean paste and fluxes. One important issue in this is sodler balling. I have heard some people say that having a matte finish would help in having lesser solder balls and that the solder balls would not be


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