Electronics Forum: timely (Page 141 of 1077)

ENIG again! Failed BGA joint!

Electronics Forum | Tue May 08 18:42:05 EDT 2001 | mparker

Carol Doda?!!! She retired from the Condor club about 15 years ago. As for reference to all the other Plastics Princesses - God bless 'em all!!! 'Tis the time of year for halter tops and shorts - ye haw!

Mydata Pick and place

Electronics Forum | Tue Aug 28 16:05:21 EDT 2001 | stefan

I did not question the accuracy, which is very good, but only 99.8 % of the time. If I require this accuracy for a certain part to be placed, than I want to have this part on target more often than 3 sigma permits.

Loctite Adhesive Viscosity

Electronics Forum | Tue May 15 08:57:37 EDT 2001 | Stefan Witte

John, we were responding almost to the same time and I did not see what you were writing. If the glue dots are not consistent within one syringe, than I would blame it on the pump spindle. Do you have an extra one to put on, or clean the spindle wit

Amistar SMT equipment

Electronics Forum | Tue May 15 22:56:38 EDT 2001 | davef

You should start by determining the manuafcturer of their equipment. I knew at one time, but it's probably no longer the same company.

Streckfuss EO14 wavesolder machine

Electronics Forum | Wed May 16 10:37:34 EDT 2001 | davef

Similar to my response to your previous posting on this topic dated 5/8/01, things to try are: 1 Contact your non-supplier [Streckfuss] using the contact points at http://www.streckfuss.com/wave_soldering.htm, obtain source drawings for components o

Removal of screening cans

Electronics Forum | Thu May 31 17:14:06 EDT 2001 | davef

Look at "Circuits Assembly" June 2001, p 26 for an article on the very topic to which you refer. No experience here. If we don't want to reflow components in the 'can', we cut the can. Time consuming and crude, YES.

Flex Circuit

Electronics Forum | Wed May 30 10:35:54 EDT 2001 | traviss

Do you have vacuum on your printer? I guess not or you wouldn�t be asking. Can you get vacuum? If not you could use double sided tape, I am always amazed how many times it can stick before it needs replaced.

effective liquor for cleaning the residues in reflow oven

Electronics Forum | Tue Jun 12 23:25:29 EDT 2001 | chinaren

As you know there will be a lot of residues(such as rosin) left especialy on the peak zone and cooling zone of reflow oven after reflow soldering in a time. who use one kind of effective liquor or effective method to clean the residues ?

Rheopump vs. squeegee

Electronics Forum | Thu Jun 14 09:56:13 EDT 2001 | vance66

Could you guys comment on changing heads? We may have to change heads 6-7 times a day. What would be the negatives with this?

Rheopump vs. squeegee

Electronics Forum | Thu Jun 14 15:19:07 EDT 2001 | vance66

Thanks, I'd appreciate an actual time. How long was your downtime per rheopump install? I heard about 1 1/2 weeks per head. That included training as well.


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