Electronics Forum | Thu Jan 29 11:30:56 EST 2009 | rgduval
As others have said, you'll have some difficulties getting good reflow on pb-free out of a 3-zone oven. We did it with a 4-zone for awhile, but only had really good success on low thermal density boards. That said, you should definitely check your
Electronics Forum | Mon Oct 26 17:04:30 EDT 2009 | stepheniii
IIRC the IPC spec for oven profiling says the thermocouple leads should not be more than one meter in length. I think when you can afford it, getting a data logger to go through the oven would be a good idea. But if you are going to use the very lon
Electronics Forum | Wed Feb 17 14:45:40 EST 2010 | dcell_1t
Is your oven adjusted correctly for temperature > and blower and conveyor speed? As far as blower settings it only has a Hi-Mid-Low setting (is a heller 1809), and we have been working with all at Hi speed since line was started (1.5 year ago). Co
Electronics Forum | Thu Jul 15 04:33:56 EDT 2010 | jevans
We've recently purchased a second hand smt line which contains an Ersa Hotflow 9 reflow oven.We were informed that this oven was capable of handling a lead free process.The oven was manufactured in 2000,and it has come to our attention that it can on
Electronics Forum | Tue Aug 30 22:39:29 EDT 2011 | comatose
I'm looking at used reflow ovens. I'm homing in on Vitronics. We're pretty self-sufficient in terms of keeping machines going, but does anyone have experience with parts and documentation support for Vitronics? Is there a fee for getting into the sys
Electronics Forum | Fri Sep 07 16:53:37 EDT 2012 | burb1999
We have Heller, 1707EXL now. It has a removable support for the mesh conveyor that just pull out (clipped in). Had an Electrovert and they were bolted on and very tuff to change out. The oilers Im not sure I care for though,they have a metal rail t
Electronics Forum | Mon Oct 27 05:35:33 EDT 2014 | grahamcooper22
Are you doing PIN IN PASTE (intrusive reflow) ? If so, then paste can be dripping through the pcb holes and onto the oven bottom heaters / baffles . Or, if any of the SMT pads have vias in them, paste may drip through them if they are not sealed. Whe
Electronics Forum | Tue Jul 14 01:48:43 EDT 2015 | buckcho
Hello. I used Heller before - very stable oven, I had zero problems. Maintenance is also very easy. I also think they are not so expensive. You have to look at the power consumption and N2 if you are going to use it. Some ovens can trick you with low
Electronics Forum | Thu Feb 02 12:39:41 EST 2017 | mnorthey
We have been using Vitronics for over 20 years with very few problems. I imagine Heller is just as good, I would rather you talk to your Solder provider Rep to find out about any add-ons you need for your specific processes. Along with that info and
Electronics Forum | Wed Jun 16 07:01:26 EDT 2021 | tommy_magyar
Hi Edgar, I am not aware of any standards either, but from own experience can tell that if there are boards going through oven with PPM between 1500-2000 the solder will be dark (unaesthetic) although some of our customers accepted them if they were
