Electronics Forum: electron (Page 7052 of 7890)

Water Soluble Flux

Electronics Forum | Tue Nov 30 11:42:03 EST 2010 | hegemon

A simple question with very complex answers... But to simplify, you could start at this. Water soluble fluxes are cleaned using (typically) de-ionized water, using a spray wash method. Sometimes a saponifier is added to the water to help it get

Way to solve PCB warpage

Electronics Forum | Fri Dec 17 10:42:58 EST 2010 | hegemon

I believe there is a lot pertinent information in the thread that Dave forwarded... But (IMHO)I think you can look at two things first. First, is your wave solder process friendly to this large PCB, is there enough pre-heat in the board before it h

SMD Tape Extenders - Are they all rubbish?

Electronics Forum | Tue Dec 21 18:08:40 EST 2010 | cbroegger

Hi Gary. I have the same problem on my Siplace feeders, and have tried different products like you have. This is what I have experienced so far: The "bag sealer" method does not really work well. Problem is that the tape foil type (plastic type) var

CSM84 Ball Screw Replacement

Electronics Forum | Thu Dec 09 23:26:26 EST 2010 | jeffr

Philips (Yamaha) use a non standard NSK Ball screw and nut assembly. You should buy the genuine ball screw from your agent as the series of Ball screws used on these machines are the "NSK Super Precision series" which is not stocked by linear guide s

Using Vapour Phase Soldering Process

Electronics Forum | Mon Dec 20 22:41:42 EST 2010 | grantp

Hi, We had it for a while, but had to take it out and replace it with normal convection. I mean the soldering quality is absolutely amazing, and the joints looked perfect, however it was a horror for tomb-stoning. We tried all types of stencil apert

PCB board house manufacturers NORTHEAST

Electronics Forum | Sun Dec 26 16:13:49 EST 2010 | sam

Hi, Here is a brief synopsis of PNC - PNC has been a quality manufacturer of rigid printed circuit boards for 40 years. Located in Nutley, NJ, we are the largest shop in the North East. PNC provides complete turnkey jobs from design, PCB fabricatio

First piece PCBA validation

Electronics Forum | Wed Dec 15 15:07:41 EST 2010 | remullis

I have used Unicam software to create visual workaid documentation along with a setup sheet showing BOM in relation to feeder setups, etc. This was used in 1st piece verification, but also in the early days I had to do a 2 person validation. One and

First piece PCBA validation

Electronics Forum | Wed May 25 17:56:24 EDT 2011 | rssimmons

The SimmScope is an first article inspection system that uses an overhead digital microsope on a motorized gantry to inspect the board - much like an AOI - except that it does not automatically make the pass/fail decisions. It is up to the operator t

Centroid Data (or lack of it)

Electronics Forum | Tue Jan 11 13:20:26 EST 2011 | methos1979

I can second the Unisoft Pronto software. We were in the same boat where getting centroid data files to program our AOI system was killing us. The Pronto software takes gerber files and BOMs and marries them into usable centroid data files for AOI

Centroid Data (or lack of it)

Electronics Forum | Wed Jan 12 05:36:37 EST 2011 | vinitverma

We designed a fairly simple software called PROCAM to do exactly that! It takes 2 Gerber layers - Paste/Mask layer and the Silk layer. Within minutes you can extract all the centroids. PROCAM has a standard excel output with all the centroids, fiduci


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