Electronics Forum | Fri Dec 09 11:00:47 EST 2011 | davef
Using common wire size and through hole diameter, we'd expect that the wave solder process would completely fill the through hole and that you wouldn't need to get involved in providing stencil openings, pasting the through hole or reflowing the jump
Electronics Forum | Wed Dec 07 17:43:31 EST 2011 | mikenil
Hi I do not work for a board house but a manufacturing facility where we do a considerable amount of soldering wires to through holes. We pretin our through holes on both sides of the PCB prior to reflowing the solder and installing the conductor (w
Electronics Forum | Wed Jul 23 03:04:57 EDT 2008 | gfro
Hello, We are using a PCB with thickness 3.2mm 4 layer and lot of through hole via's of diameter 0.4mm. We specified our PCB vendor to do plugging. Now we have big problems, that after 1..4 weeks we measure a low resistance between track's/via's of
Electronics Forum | Wed Jul 23 08:18:29 EDT 2008 | davef
Q1. Is this a standard process for plugging? A1. Not as such. We checked both IPC-6012 and IPC-SM-840. Neither comments on plugging. So, your fabrication notes rule the day. Q2. Is this okay for such thick PCB's or is it mandatory to use a special pl
Electronics Forum | Wed Jan 18 12:41:19 EST 2017 | emeto
Does anyone knows where I can buy these rubber cones? They work as masking - preventing the solder to adhere to through holes(rings) while wave soldering
Electronics Forum | Thu May 09 00:08:01 EDT 2002 | techment
Could someone provide help regarding IPC's recommendation on Plated Through hole's --- lead to hole ratio. I can't find it in IPC-2221 and IPC-SM-782. Thank you very much
Electronics Forum | Thu May 09 17:24:11 EDT 2002 | davef
First, SM-782 elates to surface mount pads. So, expecting to find PTH design rules there is a bit of a stretch. Search the fine SMTnet Archives for similar threads. For instance here�s one from last week: http://www.smtnet.com//forums/index.cfm?fu
Electronics Forum | Wed Apr 17 18:18:52 EDT 2002 | bsteelglove
I recently bought a DEK 265 Mark 1 on the used market for $1,500 dollars along with a ABW 1210 Reflow oven which I really wanted. I knew the DEK had not been refurbed but that was fine because I was willing to pay there extremely high prices to have
Electronics Forum | Fri Apr 19 12:27:09 EDT 2002 | jeffreybrown
I have read with interest this string of opinions about support of old machines. I am the service manager of Contact Systems and I deal with customer support every day. Our policy is to treat all owners of Contact machines in an evenhanded way. The w
Electronics Forum | Tue Jul 21 14:14:50 EDT 2020 | emeto
Universal instruments used to build this kind of equipment back in the days. Not sure if they still do it.
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