Simple lab shaker
thingiverse
Simple shaker driven with cheap TT gearmotor 1:48. I'm using it for PCB etching with citric acid and peroxide. One handle for speed control, other can manually rotate plate to middle position. https://youtu.be/QlUJkduQwVI Parameters: Size of dish plate - 120x130 mm Power - USB 5V 2A Hardware needed: 1x TT DC gearmotor ratio 1:48 1x Female Micro USB Type B 5 Pin Connector PCB 1x steel rod d4x40mm 6x M3x12 screw flat head 2x M3x10 screw 1x M3x20 screw flat head 2x M3x30 screw flat head 8x M3 nuts PWM controller. Potentiometer size 16mm, thread M7x0.75. Tips: Lubricate gearbox to reduce noise. Print gears with good quality. Gears with precise dimentions will be silent. On top of the plate glue double side foam tape to fix container Adjust level with rotation legs
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