Thingiverse
Marble machine 6mm
von lari6
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This is a remix for of the motorized spiral marble machine (https://www.thingiverse.com/thing:987441). This machine uses 6mm ball bearings or 6mm airsoft bb.
The slide and the main gear were only resized at 70%.
All other parts were redisigned to best fit the 6mm size.
Designed motor holder so that you can adjust the small gear distance from the main gear.
Use with n20 geared motor like this (https://www.sigmanortec.ro/Motor-DC-mini-angrenaje-metal-N20-p125711198). RPM does not really matter. I used with 50RPM and also 500RPM.
To avoid marbles jumping of track, smooth the slide surface at the top (the part where marbles have highest speed and corners).
Used a 2AA battery holder with a switch (https://www.sigmanortec.ro/Suport-2-baterii-AA-cu-capac-si-intrerupator-p126400264) and 2 AA batteries (rechargeable NiMh).
The slide and the main gear were only resized at 70%.
All other parts were redisigned to best fit the 6mm size.
Designed motor holder so that you can adjust the small gear distance from the main gear.
Use with n20 geared motor like this (https://www.sigmanortec.ro/Motor-DC-mini-angrenaje-metal-N20-p125711198). RPM does not really matter. I used with 50RPM and also 500RPM.
To avoid marbles jumping of track, smooth the slide surface at the top (the part where marbles have highest speed and corners).
Used a 2AA battery holder with a switch (https://www.sigmanortec.ro/Suport-2-baterii-AA-cu-capac-si-intrerupator-p126400264) and 2 AA batteries (rechargeable NiMh).
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