Electronics Forum: start bottom 20sided (Page 1 of 25)

Reflow oven bottom heaters

Electronics Forum | Thu Nov 16 22:01:06 EST 2017 | deanm

That model comes standard without bottom preheaters. Bottom preheaters are an option so I would think it is designed for general use unless you have some very thermally challenging boards. As long as you are within the process window, you'll be fine.

Re: bottom side epoxy

Electronics Forum | Thu Oct 07 09:59:01 EDT 1999 | Dave F

| I recently had the opportunity to visit the vendor who is making my boards. On my trip I noticed that the guy who was in charge of the SMD placement machine (brand new Samsung) still had to manuallly place about 20%-40% of the parts after placement

Epoxy on bottom of SMT component

Electronics Forum | Thu Nov 29 14:20:05 EST 2007 | realchunks

Shouldn't someone LIGHT the torch first? Good ol' Adolph starting a tradition that carries into today.

Epoxy on bottom of SMT component

Electronics Forum | Tue Nov 27 14:56:33 EST 2007 | jaimebc

Shy, What is your current method of applying adhesive? If the terminals of the component that has adhesive are not wetting ( or not forming a solder joint I think we are talking about ) after reflow, then you must be applying too much adhesive. As

Heller 1700D: How to make the zones start in sequence?

Electronics Forum | Thu Jun 14 13:49:04 EDT 2012 | rodrigo

Hi all, We have two Heller ovens, a 1700SX and a 1700D. The 1700SX has the profiles made so when you load them the zones turn on in sequence. First zone top and bottom are on when the profile is loaded then the next (top and bot) start to turn on as

Where to start with a new reflow oven

Electronics Forum | Mon Oct 13 13:34:13 EDT 2003 | caldon

HI Andrea- to answer Q: 1) Stencils can be order through various vendors that manufacture stencils. You would need to have CAD data for the Stencil company to make them. You design engineer should have the CAD info. Also, the stencil design company c

Re: SMT training classes and start up equipment

Electronics Forum | Tue May 05 13:44:57 EDT 1998 | Mark Mitchell

Mr. Desrochers; Philips EMT Americas offers a three day course entitled, "Introduction to SMT Manufacturing". The course addresses all major factors that influence the automated SMT assembly process. Topics that are discussed in the course are list

Looking for help with Fuji IP-1 start-up problem

Electronics Forum | Sat Jan 20 18:54:47 EST 2007 | al

First I would check the cable,swap it with another fuji machine! Or have you tried to "reset start".risky if you have no comms but you need to get to the bottom of the problem...

Fillet Tearing

Electronics Forum | Thu Mar 23 12:40:37 EST 2006 | patrickbruneel

Russ, On a serious note it's impossible to optical see the bottom. The only way to verify is cross sectioning. Tin can't handle stress very well unless lead is added to make the alloy more elastic. We come back on the subject when the "field" starts

Re: SMT and PCB

Electronics Forum | Fri Nov 13 03:58:36 EST 1998 | B.D.

| I want to find information about SMT and PCB: | | Process | Manufacturing | How it work | Lynn, A good place to start to learn about this industry is to click on some of the resources that are on this site! You may want to obtain a book to s

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