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Printed Circuit Board Assembly & PCB Design Forum

SMT electronics assembly manufacturing forum.


Zones Temperature for ReflowOven

#26990

Zones Temperature for ReflowOven | 26 January, 2004

Hello to all of you, I'm running some small pcb's about 2.5x3.5 inches, can somebody tell me the zone temps and speed in meters/min that I have to use to get the best solder paste shine and best quality, is an oven of 8 zones. I apreciate your support and information....

Best Regards....

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#26995

Zones Temperature for ReflowOven | 26 January, 2004

The primary driver to the set points for your oven is not the board or the number of zones in your oven. It's your paste.

If you need a "ball park" guesstimate as a starting point, your equipment supplier is probably the best place to start. So for a Heller 1800S oven, Mark Peo [Heller Industries, President] might say, 115, 125, 145, 145, 145, 180, 220, and 255 with a belt speed of 93.345cm/min (about 36.75in/min), (assuming all of zone lengths are 14.7").

If you'd like to understand recipe design, look here: http://www.ecd.com/emfg/instruments/Papers/RooksPaper.htm

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#27009

Zones Temperature for ReflowOven | 27 January, 2004

Hello Dave

The information you sent me will be the base to start some samples, I'm doing some test with Heraeus and Indium solder paste..

I apreciate your support.. Best regards...

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#27010

Zones Temperature for ReflowOven | 27 January, 2004

Our design engineers were always a pain in the keester when they wanted to prototype a new board. They wanted to use a production oven. AND they wanted to use it NOW!!! [Like we have time for that foolishness.]

So, we bought them a Oster toaster oven. [Other ovens will work also. They cost less than $100.] They are happy as pigs in slop. [And they can warm their bagels to boot!!!]

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