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A Educational Gearbox setup for kids or students passionate of mechanics and engineering. Its a good demonstration of a 2 stage planetary gearbox used for high torque applications with a 16:1 reduction gear ration.

The model takes some skill to make and is not a very easy one but the result is worth it and you will increase your printing skills and mechanical understandings. The design can work without lubrification but I highly suggest putting some if its possible.

In conclusion if you want a educational project to understand mechanics better or just something fun to have on your desk, this is the one.

Parts:

Windowed version:

Printed Parts:

Part Name	Quantity	Material
Back window case	1x	any
Front window case	1x	any
First front carrier	1x	PLA, ABS, PETG
Second front carrier	1x	PLA, ABS, PETG
Back carrier	2x	PLA, ABS, PETG
Sun gear	1x	PLA, PETG
Planet gear	6x	PLA, PETG

Bearings:

Part Name	Quantity	Inside diameter	Outside diameter	Thickness
Outside bearing	2x	\u03a6 15 mm	\u03a6 35 mm	11 mm
Inside bearing	2x	\u03a6 8 mm	\u03a6 24 mm	5 mm

Other:

Part Name	Quantity
M4 x 15 mm Screw	12x
M4 Bolt	6x

Closed version:

Printed Parts:

Part Name	Quantity	Material
Back window case	1x	any
Front window case	1x	any
First front carrier	1x	PLA, ABS, PETG
Second front carrier	1x	PLA, ABS, PETG
Back carrier	2x	PLA, ABS, PETG
Sun gear	1x	PLA, PETG
Planet gear	6x	PLA, PETG

Bearings:

Part Name	Quantity	Inside diameter	Outside diameter	Thickness
Outside bearing	2x	\u03a6 15 mm	\u03a6 35 mm	11 mm
Inside bearing	2x	\u03a6 8 mm	\u03a6 24 mm	5 mm

Other:

Part Name	Quantity
M4 x 15 mm Screw	12x
M4 Bolt	6x

Assembly:

--in work--

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Planetary Gearbox

Model files

Model origin

License