The Oven

A project log for Wi-Fi Reflow Oven

For SMD reflow soldering or temperature annealing of various materials up to 300 °C (572 °F)

rogeorgeRoGeorge 06/29/2015 at 06:260 Comments

It's a 20 liters kitchen electric oven, bought for reflow soldering only. The highest temperature oven I could find in white goods shops was 250 °C (482 °F). It has 4 bar heaters, 2 on the ceiling and 2 on the floor of the oven, with a total of 1400 W.

On the box was written that it has a light bulb for the interior, but it hasn't. It has a fan, but I cover it because the temperature was raising too slow and too low. When it's running, the exterior of the oven is heating very, vary badly. Because the exterior heats so much, all the electronics must stay separately. This doesn't bother, because that was the plan from the beginning:

Tin foil was mounted on the inside to increase the maximum temperature, to cover the fan blow, and to speed up the heating rate. After covering the interior with tin foil, the oven was able to melt the solder paste with no problems.

Definitely not the best oven for the job, but good enough.

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