Electronics Forum: wave hole fill profile (Page 1 of 25)

Vertical fill solder

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

Barrel fill with Pb Free Wave Solder

Electronics Forum | Wed Dec 10 16:15:24 EST 2008 | terryl

on the front end in design, minimize the pth connections to ground planes. this takes alot of work by the pcb designer and the approval of the design engineer. connect maximum of 4 ground planes to pth, minimum 1 plane. use spoked connections. ev

Barrel fill with Pb Free Wave Solder

Electronics Forum | Thu Dec 11 07:29:58 EST 2008 | jdumont

I have done a few studies on this issue here. As a result we have increased hole diameter on heavily ground planed pins to a min of .015" over the lead diameter as well as preheating the PCB when hand soldering. I have also had to order the upper pre

Barrel fill with Pb Free Wave Solder

Electronics Forum | Tue Dec 16 16:49:22 EST 2008 | scottd3

We ran into this problem before, on all of our models. We never quite found out the reason, we do know that if the PCB is passed through a reflow oven that is extremely dirty with evaporated solder paste flux, it will make it extremely difficult (or

Re: paste in hole

Electronics Forum | Fri Jun 25 03:16:38 EDT 1999 | Scott Davies

Wayne, Earl, I wish there was some way we could toss our wave solder machine forever! Unfortunately, we haven't found a way yet to do paste-in-hole reflow for large numbers of thru-hole axial and radial components, which we insert on Universal machi

Paste in hole

Electronics Forum | Thu Sep 04 10:24:39 EDT 2003 | paulrm

The typical PIP process is incorporated into the surface mount process. This approach requires the following: The stencil will be designed so that the correct amount of solder paste can be printed onto the through-holes to form an acceptable joint

Re: paste in hole

Electronics Forum | Mon Jun 28 11:47:54 EDT 1999 | Christopher Cross

| | | hello, | | | | | | has anyone tried dispensing solder paste in thru holes instead of waving or hand soldering. if so how did it work out for you. | | | thanks for the input | | | | | | wayne | | | | | | | | | | | We have tried this mainly

Re: via hole plugging

Electronics Forum | Thu May 20 07:53:55 EDT 1999 | Chris Nuttall

| | We care currently running into problems during our plug via process: | | At the moment we plug prior to soldermask (LPISM) using epoxy resin - plugging takes place from the component side - however we are seeing solderballs after solder level.Thi

through hole questions

Electronics Forum | Wed Nov 19 15:16:47 EST 2014 | warwolf

Interesting, see we used to do a large amount of PTH but we have been able to convert most of those parts to SMT now. the majority of our PTH is connectors. I am doing some research as to the types of through hole assembly that still remain.- This d

Selective wave selection

Electronics Forum | Mon Apr 01 19:57:07 EST 2002 | davef

Selective soldering machines are a good way to "finish automation", if the design of the PCB is conducive to the application with just a few components to solder. Your points are good. A decision matrix for selecting a machine might also include:

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