Enclosures and housings
Rope Winch Drum
- Bounding box
- 320.1 × 320.0 × 320.1 mm
- Engine
- Precision B-rep
- Parameters
- 12
- Published
- August 7, 2026
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Free to download and use. See the terms.
The prompt
Create a fully parametric CAD model of a rope winch drum for a construction hoist. Requirements: - Output format: STEP (.step or .stp) - Units: millimeters - Solid body only (no mesh, no STL) Geometry: - Drum outer diameter: 250 mm - Drum barrel length: 300 mm - Barrel wall thickness: 6 mm Flanges: - Two identical flanges - Flange outer diameter: 320 mm - Flange thickness: 10 mm Hub: - Central hub integrated with the drum - Hub outer diameter: 80 mm - Hub length: 70 mm Shaft bore: - Through bore diameter: 45 mm - Include a standard metric keyway according to DIN 6885 for a 45 mm shaft - Keyway width: 14 mm - Keyway depth according to DIN standard Edge details: - Apply 2 mm fillets on sharp edges - Apply 1 mm chamfers on shaft bore edges Design requirements: - Symmetric about the center plane - Suitable for transmitting approximately 500 N·m torque - Suitable for a 400 kg construction hoist - Keep the model clean and manufacturable - No rope grooves on the drum surface - Export as a single solid STEP file
Parameters
| Name | Value | Range |
|---|---|---|
| Drum Outer Diameter | 250 mm | 200 – 300 |
| Drum Barrel Length | 300 mm | 200 – 400 |
| Barrel Wall Thickness | 6 mm | 4 – 10 |
| Flange Outer Diameter | 320 mm | 280 – 380 |
| Flange Thickness | 10 mm | 6 – 20 |
| Hub Outer Diameter | 80 mm | 60 – 120 |
| Hub Length | 70 mm | 40 – 150 |
| Shaft Bore Diameter | 45 mm | 30 – 60 |
| Keyway Width | 14 mm | 10 – 20 |
| Keyway Depth (in hub) | 5.5 mm | 3 – 10 |
| Fillet Radius (sharp edges) | 2 mm | 0.5 – 5 |
| Chamfer (shaft bore edges) | 1 mm | 0.5 – 3 |
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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