Gears and transmission
Gearbox Housing Assembly
- Bounding box
- 360.0 × 284.1 × 212.5 mm
- Engine
- Precision B-rep
- Parameters
- 41
- Published
- November 2, 2026
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The prompt
Create a parametric 3D CAD model of a two-piece Gearbox Housing suitable for SolidWorks. Requirements: - Model Type: Mechanical Gearbox Housing - CAD Format: Parametric Solid Model - Units: Millimeters (mm) Overall Dimensions: - Length: 320 mm - Width: 220 mm - Height: 180 mm - Wall Thickness: 8 mm Features: - Split housing with upper and lower casing - Internal cavity for gear assembly - Bearing seats on both sides for input and output shafts - Bearing bore diameter: 62 mm - Shaft center distance: 120 mm - Mounting flange around housing perimeter - 12 equally spaced M10 bolt holes on flange - Four mounting feet with Ø14 mm mounting holes - Oil drain plug at bottom - Oil filling port on top - Breather hole - Inspection cover on top secured with six M8 bolts - Internal reinforcing ribs - External cooling fins - Fillet radius: 5 mm - Chamfer exposed edges: 2 mm × 45° Material: - Cast Iron (Grey Cast Iron) Appearance: - Industrial machined finish - Light grey material Model Requirements: - Fully parametric - Feature-based design tree - Editable sketches - Manufacturing-ready geometry - No self-intersections - Maintain uniform wall thickness - Include proper draft angles for casting Output: - SolidWorks (.SLDPRT) - STEP (.STEP) - Parasolid (.X_T)
Parameters
| Name | Value | Range |
|---|---|---|
| Overall Length | 320 mm | 200 – 500 |
| Overall Width | 220 mm | 150 – 400 |
| Lower Casing Height | 90 mm | 60 – 120 |
| Upper Casing Height | 90 mm | 60 – 120 |
| Wall Thickness | 8 mm | 4 – 15 |
| Floor Thickness | 8 mm | 4 – 15 |
| Roof Thickness | 8 mm | 4 – 15 |
| Flange Thickness | 10 mm | 6 – 20 |
| Flange Width (Extension) | 20 mm | 10 – 30 |
| Shaft Center Distance | 120 mm | 80 – 200 |
| Bearing Bore Diameter | 62 mm | 40 – 100 |
| Bearing Boss Outer Diameter | 80 mm | 60 – 120 |
| Bearing Boss Depth | 20 mm | 10 – 30 |
| Flange Bolt Hole Diameter (M10 clearance) | 10.5 mm | 8 – 14 |
| Bolt Offset from Flange Outer Edge | 10 mm | 5 – 20 |
| Foot Length (X) | 30 mm | 20 – 50 |
| Foot Width (Y) | 30 mm | 20 – 50 |
| Foot Height | 10 mm | 6 – 15 |
| Foot Hole Diameter | 14 mm | 10 – 20 |
| Port Boss Outer Diameter | 25 mm | 18 – 30 |
| Port Boss Height | 10 mm | 5 – 15 |
| Port Hole Diameter (M12) | 12 mm | 10 – 14 |
| Plug Hex Width (Across Flats) | 18 mm | 12 – 24 |
| Plug Hex Head Height | 7 mm | 5 – 10 |
| Plug Shank Length | 20 mm | 15 – 40 |
| Plug Thread Diameter | 12 mm | 8 – 16 |
| Inspection Cover Width (X) | 100 mm | 60 – 150 |
| Inspection Cover Length (Y) | 150 mm | 80 – 200 |
| Cover Thickness | 6 mm | 3 – 10 |
| Cover Mounting Hole Diameter (M8 clearance) | 9 mm | 6 – 12 |
| Fin Height | 15 mm | 8 – 25 |
| Fin Thickness | 3 mm | 2 – 6 |
| Fin Count | 10 mm | 4 – 20 |
| Fin Margin from Edge | 10 mm | 5 – 20 |
| Breather Hole Diameter | 3 mm | 2 – 5 |
| Fill Port X Position | 100 mm | -120 – 120 |
| Fill Port Y Position | 0 mm | -100 – 100 |
| Breather X | 100 mm | -120 – 120 |
| Breather Y | 50 mm | -100 – 100 |
| Fillet Radius | 5 mm | 1 – 10 |
| Chamfer Size | 2 mm | 0.5 – 5 |
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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