Electronics Forum: hole size press fit (Page 1 of 7)

press fit on Ni/Au board finish

Electronics Forum | Mon Apr 29 05:25:13 EDT 2002 | ianchan

Hi, we do Sn plated I/O pinning insertion into Ni/Au thru' holes. no problems here so far, as we cater for the "interference" (fit-allowances) of the I/O pin into the thru' diameter, via improved PCB thru' hole designs. before this cater/considerati

Re: Press fit connnector

Electronics Forum | Wed Feb 09 21:45:48 EST 2000 | Dave F

Sal: Hey that customer standing around staring at you sound like fun, yeh right!!! Wolfgang makes good sense, but, in addition, I�d like to drill-down on board fabrication (har har har) a little bit (har har har) more. You say the holes are the cor

Press fit connnector

Electronics Forum | Wed Feb 09 10:20:26 EST 2000 | Sal

Currently we have started seeing an issue around a scuzzy connector.The problem being that during insertion of this connnector a couple of pins refused to be inserted and as a result fold over, this folding of the pin is causing the pin itself to fra

Press fit

Electronics Forum | Tue Mar 07 20:33:26 EST 2023 | SMTA-72027903

Hello We have recently started to work with press fit but we are finding problems to reach the specifications in terms of hole deformation and whiskers. Do someone have experience in key process parameters and PCB design specifications (PCB harness,

Press fit PEM insertion haloing

Electronics Forum | Mon Jan 12 09:44:00 EST 2015 | rgduval

Oh yeah, I've seen this before! Generally, if the hole sizes are correct (including plating), and the PEMs are within spec, we've found that this is most commonly caused by insufficient support of the PCB during insertion. If you can eliminate supp

Press fit parts help

Electronics Forum | Tue Oct 14 08:27:32 EDT 2014 | kkay

We use a few different style of press fit connectors, terminals, studs, etc. We use a tabletop arbor press for most everything we do, but a lot of times we will see some measling or slight delamination around the holes for the press fit part. Is ther

Re: Press fit connnector

Electronics Forum | Thu Feb 10 10:49:26 EST 2000 | Sal

The connectors are well within thier specification,and are also checked for misaligned and damaged pins , as regards the cross-section results, all holes are correctly aligned and are well spaced within their tolerance of +/-0.005 (a couple of isolat

Re: Press fit connnector

Electronics Forum | Wed Feb 09 12:02:15 EST 2000 | Wolfgang Busko

Sal: If it�s not the PCB, what about the connector itself ? Is it from a different production lot with some unregularities ( dimensions, tolerances, pin alignment, material weakness)? How about handling, storage, shipping causes ? Could it be a tooli

Feeder tape size

Electronics Forum | Fri Sep 27 17:42:35 EDT 2002 | russ

i don't know of any "handy dandy" but something I use is tape width minus 4mm for the max component size that can be fit into tape widths of up to 32mm. 32mm and larger have holes on both sides which would then be tape width minus 7mm. I have never

Paste in hole (sate of the art)

Electronics Forum | Tue Feb 21 11:59:56 EST 2006 | dannyleach

We design a broad range of DC/DC power supplies for various telecom, internet, and computor applications and have been succesfully using intrusive reflow for ~7 years now. Our pcbs range from 0.065 to 0.090 in thickness and are moslty dense 4 to 8 la

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