Gears and transmission
2-Stage Spur Gear Reduction Set
- Bounding box
- 220.0 × 109.0 × 46.0 mm
- Engine
- Precision B-rep
- Parameters
- 18
- 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: 10 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 – 4 |
| Pressure Angle | 20 deg | 14.5 – 25 |
| Face Width (Gear Thickness) | 20 mm | 5 – 40 |
| Backlash Clearance | 0.25 mm | 0 – 0.6 |
| Shaft Bore Diameter (10.0 + print clearance) | 10.4 mm | 3 – 25 |
| Stage 1 Pinion Teeth | 14 teeth | 8 – 40 |
| Stage 1 Gear Teeth | 60 teeth | 20 – 120 |
| Stage 2 Pinion Teeth | 14 teeth | 8 – 40 |
| Stage 2 Gear Teeth | 60 teeth | 20 – 120 |
| Lightening Hole Count | 6 count | 0 – 12 |
| Lightening Hole Diameter | 10 mm | 2 – 20 |
| Lightening Hole Pitch Circle Dia | 52 mm | 20 – 90 |
| Index Hole Diameter | 4 mm | 1 – 10 |
| Index Hole Radial Distance | 38 mm | 15 – 60 |
| Base Plate Thickness | 6 mm | 2 – 20 |
| Base Plate Margin Beyond Gears | 8 mm | 2 – 30 |
| Base Plate Corner Radius | 6 mm | 0 – 20 |
| Axle / Hub Post Diameter | 10.8 mm | 5 – 25 |
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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