Resources for designing a planetary gearbox

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A user is seeking assistance in creating a CAD model for a type 3 epicyclic gear train, specifically a planetary gearbox with two rings. They express difficulty in the design process due to a lack of experience with physical reducers. The discussion includes a suggestion to ensure that at least two of the shafts are concentric during assembly. Additionally, a resource is mentioned that explains how to create a planetary gearbox using FreeCAD. The user is looking for CAD files, photos, or any relevant resources to aid in their project.
achraf mecanique
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Hello everyone,


As part of a project, I have designed a type 3 (with two rings ) epicyclic gear train. I now need to create a corresponding CAD model. However, since I have never seen an actual physical reducer, it makes the design process more challenging.

If anyone can help me with a CAD file, a photo of a similar reducer, or any other resource, I would be very grateful.

Thank you in advance for your assistance!
 

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Is this project for schoolwork?
 
You must set at least 2 of the shaft concentric (one going through the other). It doesn't matter which one is inside the other. If they all go on the same side, all 3 must be concentric as in this next video (you can see how it is assembled at 0:24):

 
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achraf mecanique said:
Hello everyone,


As part of a project, I have designed a type 3 (with two rings ) epicyclic gear train. I now need to create a corresponding CAD model. However, since I have never seen an actual physical reducer, it makes the design process more challenging.

If anyone can help me with a CAD file, a photo of a similar reducer, or any other resource, I would be very grateful.

Thank you in advance for your assistance!
This guy explains how to make a planetary gear box in FreeCAD.

 
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