Electronics Forum | Fri Jul 05 23:51:34 EDT 2002 | fastek
Sold a customer a Conceptronics HVA-70 Convection Reflow Oven recently. While performing the install I asked if compressed air was hooked up. Seems this customer ...who already had a HVA-70 convection reflow oven never used air or nitrogen with that
Electronics Forum | Sun Jul 07 20:26:09 EDT 2002 | Dreamsniper
Hi Fastek You don't need compressed air for convection unless that oven comes with some pneumatic system parts (air cylinders, solenoids etc.). Air comes from the Oven Blowers themselves. Some ovens have Baffles, they are metal plates with high numb
Electronics Forum | Wed Sep 12 11:10:40 EDT 2012 | cyber_wolf
We run BTU, Vitronics and Electrovert. All of those are rock solid machines AS LONG AS YOU KEEP THEM PM'ed. For some reason companies seem to neglect their oven PM's. Make sure you are buying an air only oven if you aren’t running nitrogen. The flux
Electronics Forum | Mon Sep 29 17:45:40 EDT 2008 | dwk
Thanks for all your input. We have investigated 2 options other than the current system. Currently supplying one SSM with N2 via "Canister" system 230L Cryogenic... The options are to increase the reservoir to a fixed 2000L Cryogenic bulk tank syst
Electronics Forum | Sat Nov 03 10:57:27 EDT 2012 | davef
EricR: Regarding "*** By the way, since we have used the Tin-Silver-Copper lead free solder there has been a strange liquid type chemical leek from the oven exhausted pipes." ... I don't know anything about your process, but the first thing I'd inve
Electronics Forum | Sun Jun 10 12:15:37 EDT 2001 | procon
Hello Danial, Leave it up to most to blame the relow oven for their tombstoning problems when in fact it is usually the last to cause it. The biggest culprit of tombstoning is the pad design followed by the print quality. Usually, we find that the p
Electronics Forum | Thu Aug 05 10:46:20 EDT 1999 | Dave F
| We are installing a new reflow oven and I have been told that we do not need to vent the exhaust out through the roof since we have a false ceiling. All that is required is to vent above the false ceiling and that the air exchange is great enough t
Electronics Forum | Mon Jul 17 13:37:35 EDT 2006 | carln
Here is something I copied from Circuitnet.com. This appears to answer your question and then some... http://www.circuitnet.com/experts/ Ask the Experts Jul 17, 2006 What type of cleaner method is preferred for lead-free stencils? What type of s
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