Electronics Forum | Mon Dec 03 14:49:23 EST 2018 | dleeper
Are they getting stuck inside the oven or at the very end? If thermal expansion is the problem the boards would be getting stuck in the reflow zone since that would be the hottest and therefore the point where thermal expansion would be the greatest
Electronics Forum | Tue Jun 21 19:25:10 EDT 2005 | darby
This is basically the reply that I had from Heller ovens regading this - "The recommended air flow is at the back of the machine near the vent. From the book I copied from you it should be 500 CFM. If you do not achieve this figure, it not a great
Electronics Forum | Fri Jun 16 14:54:21 EDT 2006 | jbrower
Howdy Bolo, I see. I currently run a 5 zone 1500 Heller, It's a very nice reflow oven and one of my favorites. Hopefully in July we will be getting in our 1700 from Heller. These reflow ovens (used) can be had for a pretty decent price at least in
Electronics Forum | Mon Jun 12 13:08:20 EDT 2006 | jbrower
Howdy Bolos, My question to you is why do you feel the need to buy new equipment? We've changed over our processes to lead free and used our existing equipment. Heller 1500 (5 zone convection reflow) Electrovert econopak (wave solder) Honestly we hav
Electronics Forum | Fri Sep 08 10:23:38 EDT 2006 | slthomas
By profile (profile has not been changed) are you referring to the oven zone settings or the actual charted profile of a trip through the oven as recorded by a thermal profiler? Some ovens will continue to function without warning as long as temps
Electronics Forum | Fri May 15 15:09:03 EDT 2009 | pcbrookie
We recently added a 7-zone Heller, and have had a 5-zone Heller for quite some time. When the tech installed our new oven, we were told the new oven does NOT have the lifetime warranty on heaters and blowers. However, when we order parts for the ol
Electronics Forum | Tue Sep 28 12:23:07 EDT 2021 | aex
reflow profiles are actually 20F above set points
Electronics Forum | Tue Sep 28 12:23:50 EDT 2021 | aex
Thank you. Checking the fans and pressure this morning.
Electronics Forum | Thu Mar 05 11:53:09 EST 2009 | dcell_1t
Hello to all. for certain time, we have been struggling with some issues on a PCB where have tombstoning on 0402 components (due to pad design) and dewetting in qfp256 0.5 mil pitch (discussed on another threads on this forum) component, we have pro
Electronics Forum | Mon Sep 27 19:45:25 EDT 2021 | jdengler
Are the zone fans all working? I have had some odd temperatures when a fan starts to go out.
Reflow ovens for automated SMT PCB assembly, specializing in lead free processing and nitrogen reflow. The best convection reflow ovens on the market.
4 Vreeland Rd.
Florham Park, NJ USA
Phone: 973-377-6800
