Electronics Forum | Tue May 22 18:13:44 EDT 2007 | Frank
No, we haven't compared bills because we rarely let it cool completely down over night. I would think that the cost needed maintaining 200C over night versus 310C over night would be about the same, but a little less. But going from 25C up to 3
Electronics Forum | Tue Aug 07 19:32:40 EDT 2007 | davef
Zinc from the brass diffuses into the solder and reacts with tin causing dezincification. Dezincification is a specific type of de-alloying, or selective, leaching corrosion of brass fittings. This type of corrosion selectively removes zinc from th
Electronics Forum | Tue Nov 27 08:47:24 EST 2007 | ratsalad
The letter below was dated December 13, 2006 from Kester's Senior Market Development Engineer. I guess since then they have moved production back to Mexico. We no longer use EM907 as our primary Pb-free paste so I haven't seen any containers in a w
Electronics Forum | Fri Dec 21 09:20:36 EST 2007 | operator
Hello All, I read AIMs article "Time Above Liquidus". It was very informative and a good read. One thing that the article didn't touch on, that is a mystery to me, is thermal shock to components during the ramp up stage of a profile. If you
Electronics Forum | Fri May 23 18:55:20 EDT 2008 | gregoryyork
This is one of the biggest mistakes with the Lead Free process. We have all listened to the 'industry experts' and followed their advice and unfortunately got it wrong. Keep the dwell times (dependant on alloy selection) the same as Leaded so you are
Electronics Forum | Thu Jun 05 20:20:30 EDT 2008 | mika
Of course this should never occur, but this, forgive me shitty worlds of a complex Flexa system, which makes me cry once in a while. Does anybody here at this forum know what it takes to install this shit? First You have to set up a dedicated Flexa
Electronics Forum | Mon Jul 14 16:11:58 EDT 2008 | ck_the_flip
Pat, Try to run a glass plate (yeah I've used these before too), keep your wave pump speed the same, and slow down your conveyor speed. You will find the actual contact between molten solder and the 0.5" grids to be LESS vs. a faster conveyor speed
Electronics Forum | Wed Oct 15 15:08:05 EDT 2008 | mbrunton
I have a Fuji IP1 using the MCS control system. Everything works fine, but it seems to have tons of problems placing PLCC4 parts (Osram Power TopLED). Some reels I load up it will give a vision processing error for about 1 out of 10 parts. Other r
Electronics Forum | Wed Dec 10 08:30:20 EST 2008 | rgduval
Are you using no-clean solder, or just no clean flux? If you're using a solder with WS flux in the core, and a no-clean flux; we'd suggest switching to a WS flux to help during the soldering. If you are using a no-clean solder/flux combination, you
Electronics Forum | Thu Dec 18 13:05:59 EST 2008 | tsvetan
we have omron, before buy I have evaluated lot of other machines, what I like most is the three ring at different angle lighting which allows pseudo 3-d solder joint evaluation and historgams with statistics, you can see out of total solder joints ho
