Gears and transmission
HVAC Grille Assembly (Exploded)
- Bounding box
- 2205.0 × 310.0 × 455.0 mm
- Engine
- Precision B-rep
- Parameters
- 37
- Published
- August 20, 2026
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The prompt
You are a multidisciplinary engineering team (Senior Mechanical Design, HVAC, Industrial Design, Mechatronics, Injection Mold, Manufacturing, Motion Simulation, DFM/DFA, Cost Optimization, Reliability). Design a world-class smart motorized HVAC air supply grille, engineered as a real, mass-producible commercial product — not conceptual. Dimensions: 500 × 300 × 100 mm (L×W×D max) Objectives: Premium, silent, reliable, lightweight, modular, minimal parts, hidden mechanism, professional commercial appearance comparable to Daikin/Mitsubishi Electric/LG, but economical to manufacture. Airflow control (independent & simultaneous): Vertical louver (up/down) Horizontal louver (left/right) Volume control (0–100%) Full shutoff Actuation: Compact geared DC or stepper motors — hidden, low noise/vibration, long life, easy to replace. Transmission: Optimized gears, shafts, bushings, bearings, linkages, mechanical stops — minimal friction and backlash. Materials: Recommend and justify materials per component (e.g., ABS, PC-ABS, POM, Nylon/GF-Nylon, Aluminum, Steel) based on strength, wear, and cost. Manufacturing: Design for injection molding, standard screws/shafts, snap-fits where suitable — no unnecessary machining, lowest cost, highest quality. Engineering analysis: Motor torque, gear ratio, bearing loads, stress/deflection, pressure loss, airflow, noise. Deliverables: Full 3D CAD assembly + exploded view Assembly & part drawings (with sections, dimensions) BOM + assembly instructions Manufacturing drawings + injection mold recommendations Motion simulation (louver movement, opening/closing, exploded/assembly sequence) File exports: STEP, STL, DWG, DXF Photorealistic renderings Cost estimation + supplier suggestions for standard parts Engineering report justifying all design decisions
Parameters
| Name | Value | Range |
|---|---|---|
| Explosion gap | 200 mm | 50 – 500 |
| Housing length | 500 mm | 300 – 600 |
| Housing width | 300 mm | 200 – 400 |
| Housing depth | 100 mm | 50 – 150 |
| Wall thickness | 2 mm | 1.5 – 4 |
| Flange width | 10 mm | 5 – 20 |
| Flange thickness | 3 mm | 2 – 5 |
| Grille length | 490 mm | 480 – 500 |
| Grille width | 290 mm | 280 – 300 |
| Grille thickness | 5 mm | 3 – 8 |
| Slot length | 100 mm | 50 – 200 |
| Slot width | 5 mm | 3 – 10 |
| Number of slots | 12 | 4 – 20 |
| Vertical blades (#) | 6 | 4 – 10 |
| Blade length | 250 mm | 200 – 300 |
| Blade width (height) | 20 mm | 15 – 30 |
| Blade thickness | 2 mm | 1.5 – 3 |
| Horizontal blades (#) | 8 | 5 – 12 |
| Blade length | 180 mm | 150 – 250 |
| Blade width (depth) | 15 mm | 10 – 20 |
| Blade thickness | 2 mm | 1.5 – 3 |
| Damper length | 480 mm | 400 – 500 |
| Damper width | 280 mm | 200 – 300 |
| Damper thickness | 3 mm | 2 – 5 |
| Motor length | 50 mm | 30 – 60 |
| Motor width | 30 mm | 20 – 40 |
| Motor height | 30 mm | 20 – 40 |
| Gearbox length | 40 mm | 30 – 50 |
| Gearbox width | 30 mm | 20 – 40 |
| Gearbox thickness | 20 mm | 15 – 30 |
| Actuation link length | 150 mm | 100 – 200 |
| Link wire diameter | 4 mm | 2 – 6 |
| Screw diameter | 3 mm | 2 – 5 |
| Screw length | 10 mm | 6 – 20 |
| Bushing outer dia | 6 mm | 4 – 10 |
| Bushing inner dia | 4 mm | 2 – 6 |
| Bushing height | 6 mm | 4 – 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.
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