Custom Metal Fabrication Centrifugal Exhaust Fan Enclosures for Ventilation
custom metal exhaust fan enclosures
,centrifugal ventilation fan enclosures
,custom fabricated exhaust fan housings
Custom Metal Fabrication Centrifugal Exhaust Fan Enclosures for Ventilation
The housing of this industrial centrifugal exhaust fan consists of a large main unit compartment and a motor protection compartment that protrudes from the rear. A large-diameter circular duct flange is installed on the top of the motor protection compartment, while the top of the main unit compartment is equipped with a large-area rectangular perforated exhaust grille, allowing the internal centrifugal fan impeller to be visible. Circular mounting holes with a four-hole fastening structure are provided on the sides, and bent load-bearing feet are installed around the bottom perimeter, forming a complete equipment enclosure structure.
| Material Types | Carbon Steel / Stainless Steel / Aluminium / Iron, etc. |
| Fabrication Method | Laser Cutting / Metal Bending / Tube Bending / Stamping / Machining / Welding / Riveting, etc. |
| Surface Treatment | Wire Drawing / Surface Grinding / Polishing / Electroplating / Anodising / Powder Coating / Baking Finish / High-temperature Coating / Sand Blasting / Enamelling / Pickling & Passivation, etc. |
| Cutting Precision | ±0.1 mm (±0.004 in) |
| Bending Range | 0.3-10 mm (0.012 - 0.394 in) |
| Pressure Tonnage Range | 35T - 150T |
| Pipe Bending Diameter Range | 6-200 mm (0.236 - 7.87 in) |
| Acceptable Drawing Formats | PDF / DWG / DXF / STEP (.step/.stp) / IGES (.iges/.igs) / SolidWorks files (.sldprt/.sldasm) |
| Production Support | Prototype to Mass Production |
Uses
Suitable for factory ventilation, industrial smoke extraction, air circulation in production workshops, and fume extraction systems for equipment such as lasers and welding machines.
One-Stop Sheet Metal Solutions, From Concept to Production
- Product Development Support
We help turn product concepts into manufacturable products. - DFM Cost Optimization
We reduce production costs through design and process optimization. - Consistent Quality Control
We maintain consistent dimensions and quality from prototyping through mass production. - Multi-Process Integration
We minimize communication overhead associated with working with multiple suppliers. - Flexible Production Capacity
We accommodate both small-batch pilot production and mass production needs. - Dedicated Project Management
We provide end-to-end project management and rapid communication and response.

FAQ
Q1: Why was a dual-chamber modular enclosure design chosen?
A1: To separate functional components into distinct zones and achieve a compact spatial layout.
Q2: What is the purpose of the large perforated ventilation grille on the top?
A2: It provides ventilation and heat dissipation while maintaining an aesthetically pleasing appearance and allowing visibility of the internal fan.
Q3: Why do the bent legs at the bottom feature curved notches?
A3: To provide floor support, allow for assembly clearance, and facilitate the installation of shock absorbers.
Q4: What factors should be considered when selecting sheet metal materials?
A4: Strength, corrosion resistance, formability, the operating environment, and cost should all be taken into account to achieve optimal product performance and cost-effectiveness.
Q5: How does the bending radius affect the quality of sheet metal fabrication?
A5: A proper bending radius helps prevent material cracking, improves dimensional accuracy, and ensures consistent forming quality.
Q6: How can deformation during sheet metal welding be minimized?
A6: By optimizing weld design, controlling the welding sequence, and using specialized fixtures, welding deformation can be effectively reduced and assembly accuracy improved.
Our mission is to offer "High Quality" & "Good Service" & "Fast Delivery" to help our clients to gain more profits.