Electronics Forum: /09 (Page 903 of 1633)

SMT tact time

Electronics Forum | Wed Sep 08 03:08:05 EDT 2004 | peter016

Hi Everyone, I am new to this forum. I have posted a similar question on this subject (Chipmounter Plancement Speed). Does the 60% inclusive of the PM and Downtime ? I also find that line balancing also plays a part. For example the Universal GSM II

Flux residue on connector pins

Electronics Forum | Wed Sep 01 16:52:57 EDT 2004 | Shean Dalton

Hi Chen, This is largely dependent on what type of chemistry can successfully remove the residue, while being compatible with your cleaning equipment. Austin American Technology is happy to help you determine this, please contact me offline to disc

Lead Free ...

Electronics Forum | Thu Sep 02 14:26:22 EDT 2004 | frankracine

Thanks Russ, very interesting. Are you working with a printer, PNP, reflow and wave? Did you change apertures in your stencils with lead free ? Concerning reflow, do you have a 5 zones, 7 zones ... ? Are you using the same alloys for solder paste

Lead Free ...

Electronics Forum | Thu Sep 02 21:18:16 EDT 2004 | KEN

Patrick You have no idea if company xyz changed its standards, developed new processes or selected new materials yet you cast doubt. To nay-say their intregrity with out a shread of evidence reflects poorly on you. My company offers lead free ser

Lead Free ...

Electronics Forum | Mon Sep 26 01:44:51 EDT 2005 | vinc

Just be aware of what Japanese had done. They do not stick to one alloy as it is impossible and depends on the constraint you are facing with. As for Hitachi, according to one advertisment put up in SMT magazine seems to me that they are going for

Lead Free ...

Electronics Forum | Mon Sep 26 20:10:58 EDT 2005 | Anna

What type of alloy and at what temperature do you use for wave soldering? Do you need to modify your machine? I am using SCN but I have problem controlling my bath. Are you running on multilayer board or PTH boards? Do you face any fillet lifting

PCBA IC Component rework

Electronics Forum | Tue Aug 31 09:33:17 EDT 2004 | russ

there is always risk in rework, multiple heat cycles, overall temp, physical damage, etc... As far as I know the risks are the same with a programmed part as with any other part. If there is great concern or multiple rework actions you may want to

Looking for small Dishwasher type cleaning

Electronics Forum | Wed Sep 01 13:32:42 EDT 2004 | Silverado

I am looking for equipment suggestions for cleaning PCB Assemblies using the small dishwasher type cleaners. I have seen and used them before but cannot remember the manufacturer etc and have not been able to find any info on these type of cleaners.

No wetting on connector latches

Electronics Forum | Thu Sep 02 05:12:15 EDT 2004 | doi

I am using a triad connector and have problem with wetting at both connector latches.Observed that the leads have very good shiny wetting however concerning the latches the solder just seem to disappear to thin airafter reflow.The connector has a gui

MSD Control

Electronics Forum | Thu Sep 02 11:00:14 EDT 2004 | diderry

Hi Bryan, I hope you dont mind a quick sales pitch here. We have developed a system called HumiTel which is used to manage MSDs. Its not the paper tracking system you mentioned; it comes in two flavours, a hardware tracking device and a software whic


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