Gears and transmission
Two-Stage Spur Gear Reduction Set
- Bounding box
- 169.5 × 92.9 × 40.0 mm
- Engine
- Precision B-rep
- Parameters
- 9
- Published
- October 2, 2026
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The prompt
Design a 2-stage spur gear reduction set for 3D printing with an overall 10:1 ratio. Stage 1: A 14-tooth pinion driving a 60-tooth gear (3:1). Stage 2: A 14-tooth pinion coupled to a 60-tooth gear (3.33:1). Module: 1.5 mm. Pressure angle: 20 degrees. Face width (gear thickness): 20 mm. Central shaft bore: 15 mm diameter with a 0.2 mm 3D-printing tolerance. Include standard involute tooth profiles with a 0.25 mm backlash clearance between meshing teeth. Flat base on one side for bed adhesion without supports.
Parameters
| Name | Value | Range |
|---|---|---|
| Module | 1.5 mm | 0.5 – 3 |
| Pressure Angle | 20 deg | 10 – 30 |
| Face Width | 20 mm | 5 – 30 |
| Bore Diameter (15 mm + 0.2 mm tolerance) | 15.2 mm | 6 – 25 |
| Backlash Clearance | 0.25 mm | 0 – 0.5 |
| Stage 1 Pinion Teeth | 14 | 5 – 40 |
| Stage 1 Gear Teeth | 60 | 20 – 120 |
| Stage 2 Pinion Teeth | 14 | 5 – 40 |
| Stage 2 Gear Teeth | 60 | 20 – 120 |
Every value above is a live dimension. Open a model like this in the editor and each one becomes a slider you can drag before exporting.
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