Precision Casting CNC Machining: Fan Counterweight Blocks, Fan
Brackets & Custom Casting Services
We specialize in high-quality precision casting and CNC machining
for industrial components, including :
Fan Counterweight Blocks – Precisely engineered for optimal
balance, durability, and performance in fan systems.
Fan Brackets – Robust and lightweight support structures designed
for stability and long-term reliability.
Custom Casting Solutions – Tailored to meet specific design
requirements, ensuring superior strength, corrosion resistance, and
dimensional accuracy.
Our advanced investment casting (lost-wax casting) and CNC
machining processes guarantee tight tolerances, smooth finishes,
and consistent quality for both standard and custom parts. Ideal
for HVAC, industrial machinery, automotive, and aerospace
applications.
Key Advantages
✔ High precision & complex geometries
✔ Superior surface finish
✔ Wide material options (steel, aluminum, stainless steel, etc.)
✔ Strict quality control (ISO-certified)
✔ Competitive pricing & fast lead times
Precision Casting & CNC Machining – Technical Specifications
1. Fan Counterweight Blocks
| Parameter | Specifications |
|---|
| Material | Cast Iron, Ductile Iron, Steel, Stainless Steel, Aluminum Alloy |
| Weight Range | 0.1 kg – 50 kg (customizable) |
| Tolerance | ±0.1 mm (standard), ±0.05 mm (high precision) |
| Surface Finish | Ra 1.6 – 3.2 μm (as-cast), Ra 0.8 – 1.6 μm (machined) |
| Process | Investment Casting (Lost-Wax) + CNC Machining |
| Applications | Industrial Fans, HVAC Systems, Rotating Machinery |
2. Fan Brackets
| Parameter | Specifications |
|---|
| Material | Carbon Steel, Stainless Steel (304/316), Aluminum Alloy |
| Load Capacity | Up to 500 kg (design-dependent) |
| Dimensional Accuracy | ±0.2 mm (standard), ±0.1 mm (high precision) |
| Surface Treatment | Sandblasting, Powder Coating, Anodizing (Aluminum), Plating |
| Process | Sand Casting / Investment Casting + CNC Drilling/Milling |
| Applications | Ventilation Systems, Industrial Equipment, Automotive |
3. Custom Casting Services
| Parameter | Specifications |
|---|
| Casting Methods | Investment Casting, Sand Casting, Die Casting (upon request) |
| Materials Supported | Iron, Steel, Aluminum, Bronze, Brass, Superalloys |
| Max. Part Size | Up to 1,000 mm (length), 500 kg (weight) |
| Tolerance | ISO CT6-CT7 (as-cast), tighter with machining |
| Secondary Processes | CNC Machining, Heat Treatment, Welding, Surface Coating |
| Certifications | ISO 9001, RoHS compliant, Material Test Reports (MTRs) |
FAQ
1. What materials do you offer for Fan Counterweight Blocks and
Brackets?
We work with a wide range of materials, including:
Cast Iron & Ductile Iron – High strength for heavy-duty applications.
Steel & Stainless Steel (304/316) – Corrosion-resistant and durable.
Aluminum Alloys – Lightweight with excellent strength-to-weight ratio.
Bronze/Brass – Ideal for specialized industrial uses.
2. What casting methods do you use?
Depending on part complexity and volume, we offer:
Investment Casting (Lost-Wax) – Best for high-precision, intricate designs.
Sand Casting – Cost-effective for larger parts.
Die Casting (upon request) – For high-volume aluminum/zinc parts.
3. What tolerances can you achieve?
4. Can you handle custom designs?
Yes! We provide full custom casting and machining services. Simply share your:
✔ 2D drawings (DWG/PDF)
✔ 3D models (STEP/IGES)
✔ Samples (for reverse engineering)
5. What’s your typical lead time?
6. Do you provide quality certifications?
Yes, we offer:
7. What industries do you serve?
Our parts are used in:
8. How do I request a quote?
Submit your drawings/specs to [Your Email/Contact Form]. We’ll
respond within 24 hours with pricing and lead time.
