Herringbone Gear Collection with STEP files.
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Collection of Herringbone gears with teeth numbers 11 to 97 (only the prime numbers).
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Updated at source:
Model information
- Source
- Printables
- Category
- Mechanical Parts
- License
- Creative Commons — Public Domain
For a project, I required gears. My 3d modelling program (Shapr3d) does not support generating gears, so I had to search for existing models (creating them by hand is quite tricky, especially when they should reliably mesh).
I could not find any collection of gears that provided step files (stl/3mf are difficult to work with in most 3d modelling programs). There exist some that can be used to create stl/3mf files:
- https://www.stlgears.com/
- https://geargenerator.com/
- https://www.thingiverse.com/thing:6544
- https://www.thingiverse.com/thing:9454
- https://www.thingiverse.com/thing:24071
For Fusion360, there exists a plugin that can be used to generate gears https://apps.autodesk.com/FUSION/en/Detail/Index?id=1236778940008086660 and that is what generated the gears I uploaded here.
The gears were generated with the following settings:
- Standard: Metric
- Fast Compute: ☑
- Helical System: Radial
- Clock Wise: ☐
- Double Helical: ☑
- Module: 1mm
- Number of teeth: Prime numbers between 7 and 100
- Gear height: 10mm
- Pressure Angle: 14.5°
- Helix Angle: 15.0°
There is one version where the gears are without holes in the center, and one that should fit on a Nema 17 motor.
The distance between two gears can be calculated like this:
(m * N1)/2 + (m * N2)/2
where m is the module, here it is 1, the N1 is number of teeth of the first gear and N2 the number of teeth for the second gear.
For example to mesh a gear with 11 and 41 teeth. You would calculate: (1 * 11)/2 + (41 * 1)/2 = 26.5mm