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RC snow track (mattrack) 3D Printer File Image 1
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RC snow track (mattrack)

totofendt avatartotofendt

August 12, 2019

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Description

06/01/20 I upload the scad version of the bearing. I recommend that you print the drivewheel first and measure the shaft diameters in order to adjust the bearing dimensions (outer diameter and ID). As the drivewheel is printed vertically, the diameter resting on the plate may be slightly larger than the top diameter.

12/08/19 I upload the new drivewheel (I uploaded the wrong file).

I couldn't find a fully printable 3d track so I created mine.
The main difficulty was the bearings.
After many tests I opted for epicycloidal gear bearings, printable in one go. They have a good axial and radial load capacity. I used this: https://www.thingiverse.com/thing:950925. I have included the STL of mine but you can use the link to create yours according to the accuracy of your printer.

Each track is composed of:
-main body x1
-drive wheel x1
-big wheel x4
-wheel x4
-track x1
-Universal frame x1 This is the inner part of the frame, it is used to block the rotation of the track around the hub. This one is drilled, so with screws or another part you can adapt it to your model.
I customized mine for a losi night crawler, if you have the same one tell me I will provide them.
-gear slew bearing x2

You will need M3 screws, washers and lock nuts.

All the parts are design for a right track, so for the left you need to mirror the main body and the inner frame.

Je ne trouvé pas de chenille complétement imprimable en 3d alors j'ai créer les miennes.
La principale difficulté fut les roulements.
Après de nombreux essais j'ai opté pour des roulements en train épicycloïdale, imprimable en une fois. Ils ont une bonne tenu aux charges axiale et radiale. J'ai utilisé cela : https://www.thingiverse.com/thing:950925.
J'ai inclus le STL des miens mais vous pouvez utilisé le lien pour créer les votre en fonction de la précision de votre imprimante.

Chaque chenille est composé de :
-main body x1
-drive wheel x1
-big wheel x4
-wheel x4
-track x1
-frame universelle x1 C'est la partie intérieur du châssis, elle sert à bloquer la rotation de la chenille autour du moyeu. Celle ci est percé, donc avec des vis ou une autre pièce vous pourrez l'adapter à votre modèle.
J'ai personnalisé les miennes pour un losi night crawler, si vous avez le même dites le moi je vous les fournirais.
-gear slew bearing x2

Vous aurez besoins de vis M3, de rondelles et d’écrou frein.

License:

Creative Commons - Attribution

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