Affordable Rock Tumbler

By onkelgeorg

466
103
Free
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Technical

Parts List: Geared Motor: 12V, 1:50, 100 RPM, 20 Ncm regularly called RB30 or RB35, available at Conrad, ebay, etc. Threaded Rods M8: 4x 250mm, 1x 275mm, 1x 235mm 29x 8mm Hex nuts, 1x 8mm locking nut & a couple of 8mm washers. 1x 3mm nut and 1x M3 x 20 screw (for the smaller gear wheel. 3x M3 x 16mm screws for the motor + 3 M3 washers. 4x O-rings 22x2,4mm 3D Printed Parts:1x Frame left, 1x frame right, 2 gear wheels and 4 pulleys 1 Power source 12V, 1A (actually 500mA should be enough) + 1 power cord, long enough, to be soldered to the motor and connected with the power source. 4x ball bearing 608zz If you want to go with the suggested socket: - PVC pipe coupling + 2 caps. - 3D printed inset for the drum
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