KENT-500 coffee roaster coffee roaster DC fan conversion sharing
Professional barista communication, please pay attention to coffee workshop (Weixin Official Accounts cafe_style)
KENT-500 to DC blower fan
KENT-500 original mechanical damper,
Prototype, seven segments. The current version of KENT-500 is divided into dozens of segments.
This mechanical damper has two disadvantages
1. If you cook 2 or 3 pans in a row, you'll find the damper a little hot and occasionally difficult to turn.
2. The damper dial is equiangular, in other words, the passage opening inside is nonlinear
However, as long as the root machine is familiar, the above actually has little effect on baking.
However, you may still be interested in retrofitting controllable DC motor fans.
So to find a material to modify the blower is DC24V 62W, test found that the wind is too strong, so change the power supply DC 12V originally bought for the fan AC-DC 24V power converter is not used, instead take a computer screen DC 12V 5A transformer to do power speed controller is a mainland product, open to the wiring found water marks rust... The stunning new product found a hole in an L iron drill, and dug out a dial to act as an unknown purpose, and then fixed the control knob to the body. With a good line, connected to a good pipe (bell mouth to be special, I am temporarily modified) actual trial baking a pot, baking beans actually used speed range scale 30~70, corresponding to the original mechanical damper scale 3.5~5 quite think, so I decided to remove the mechanical damper, with a period of time to see
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