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Desktop Reflow Oven with Repeatability and Reliability Recommendations?

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48X24X48X:

--- Quote from: IanJ on July 25, 2021, 06:08:53 pm ---Hi,

I use the T-937 with GC10 lead-free paste and I get very repeatable results out the box. My usual load is 6 pcb's covering a total area of 200mm x 180mm and with no apparent hot or cold spots. I've done hundreds of loads.
It sits in my main workshop beacuse since it's fitted with an exhaust fan I get very little fumes, if any, into my workshop.
The software to create/modify profiles is pretty bad......but it does work and thankfully once the profiles are loaded onto the T-937 it's there that they stay ready for call up.

I also have a T-962 which I upgraded with parts from estechnical .co.uk, but it's still not as good as the T-937.......and when I did use it, it filled my workshop with fumes due to lack of proper exhaust fan/vent!

Ian.


--- End quote ---
I have the same oven and 3D printer as you.  ;D

IanJ:
Here's my GC10 (type 3 or type 4) lead free profile running on the T-937. This fits the examples in the GC10 datasheet.

The cool down cycle is about as fast as I can make it and still keep to the profile........there's only so fast the T-937 can cool down.

One thing I've always meant to test and that is the peak temperature accuracy. Need to get the thermal probe in there and map the tray. If I could save a few degC at peak I'd be happier.



And here's a board I just reflowed (uncleaned, straight out of the T-937). Nice shiny joints for a lead-free paste!



Ian.

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