Strong Magnetic Stirrer
thingiverse
I needed a stirrer with more power because I use it for mixing up 2k silicone. The most stirrers here are based on an fan. Fans do not have the power in low speed to get the job done well and in highspeed the stirring stick looses magnetic contact (in thicker liquids). So I made my own, with a gear motor and stirring disc containing 4 neodymium magnets. The motor is the 400rpm version, that is more than enough for me to stir everything, even water. It dosn't win any design awards but it's not supposed to. Simple and functional. I added a self made 3D model of the motor I bought, that is not necessary for the build, but maybe you want to play with it. Below are the parts I used with links to amazon DE: speed controller https://amzn.eu/d/2l8750H power adapter https://amzn.eu/d/7wDEOPu gear motor https://amzn.eu/d/80Xvjh0 neodymium magnets https://amzn.eu/d/6axn24z measuring cups https://amzn.eu/d/amvyRRz
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