3D preview of Compound Planetary Gear Set
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Interactive 3D model of Compound Planetary Gear Set

Gears and transmission

Compound Planetary Gear Set

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Bounding box
100.0 × 100.0 × 40.0 mm
Engine
Precision B-rep
Parameters
14
Published
October 22, 2026

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The prompt

Compound Planetary Gears Set: Sun gear center with shaft, multi-stage planet gears with matching teeth profile, designed for high torque reduction ratio.

Parameters

NameValueRange
Gear Module1.5 mm0.5 – 4
Pressure Angle20 deg15 – 30
Sun Gear Teeth24 teeth8 – 60
Planet Stage 1 Teeth18 teeth8 – 60
Planet Stage 2 Teeth12 teeth8 – 50
Planet Count3 count2 – 5
Gear Face Width8 mm2 – 20
Compound Stage Gap2 mm0.5 – 10
Shaft Diameter6 mm2 – 20
Sun Shaft Length35 mm10 – 80
Planet Shaft Length30 mm10 – 80
Carrier Diameter100 mm20 – 200
Carrier Thickness5 mm2 – 15
Center Distance Clearance3 mm0 – 10

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.

Compound Planetary Gear Set - Free CAD Model (STEP, STL) | TextoCAD