Let's talk about one of manufacturing's most versatile combinations - CNC machined aluminum parts with anodized finishes. Whether you're building drones, medical devices, or high-end audio gear, this dynamic duo delivers the perfect balance of strength, precision, and professional appearance.
Why Aluminum + CNC Machining + Anodizing = Magic
Aluminum is like the Swiss Army knife of metals - lightweight yet strong, easy to machine but durable. When you add CNC precision and anodizing, you get:
✔ Strength-to-weight ratio that puts steel to shame
✔ Corrosion resistance that lasts for decades
✔ Endless color options (without paint chipping)
✔ Perfect dimensional accuracy (±0.025mm is standard)
Real-World Applications You'd Recognize
- Aerospace components that must be light but strong
- Electronics housings that dissipate heat
- Automotive parts needing vibration resistance
- Medical equipment requiring sterile surfaces
The CNC Aluminum Machining Process Demystified
1. Material Selection (Not All Aluminum is Equal)
- 6061-T6: The "workhorse" - great all-around properties
- 7075-T6: For high-stress applications (think aircraft parts)
- 5052: Best for forming and welding
- MIC-6: Perfect for flat, stable tooling plates
2. CNC Machining Steps
- Programming: Converting your 3D model into machine instructions
- Fixture Setup: Securing the aluminum billet
- Rough Cutting: Removing bulk material quickly
- Finish Machining: Achieving final dimensions and surface
- Deburring: Removing sharp edges by hand
Anodizing 101: More Than Just Pretty Colors
Anodizing isn't paint - it's an electrochemical process that grows a protective oxide layer from the base metal itself. Here's why it's special:
Anodizing Benefits
- 3-5x harder than raw aluminum
- Won't peel or flake like paint
- Maintains dimensional accuracy (adds just 0.02-0.05mm)
- Electrically insulating (great for electronics)
Anodizing Types
| Type | Thickness | Best For | Colors |
| Type II | 5-25μm | Decorative parts | 30+ standard colors |
| Hardcoat (Type III) | 50+μm | Wear surfaces | Usually black/gray |
| Clear | 5-25μm | Natural aluminum look | None |
The Future of Aluminum Machining
Keep an eye on these emerging trends:
- AI-assisted machining that optimizes tool paths in real-time
- Hybrid manufacturing combining 3D printing with CNC
- More eco-friendly anodizing processes
- Automated post-processing for faster turnaround
| | CNC Turning, CNC Milling, Laser Cutting, Bending, Spining, Wire Cutting, Stamping, Electric Discharge Machining (EDM), Injection Molding,3D Printing,Rapid Prototype,Moulds etc. |
| | Aluminum: 2000 series, 6000 series, 7075, 5052, etc. |
| Stainlesss steel: SUS303, SUS304, SS316, SS316L, 17-4PH, etc. |
| Steel: 1214L/1215/1045/4140/SCM440/40CrMo, etc. |
| Brass: 260, C360, H59, H60, H62, H63, H65, H68, H70, Bronze, Copper |
| Titanium: Grade F1-F5 |
| Plastic: Acetal/POM/PA/Nylon/PC/PMMA/PVC/PU/Acrylic/ABS/PTFE/PEEK etc. |
| | Anodized, Bead Blasted, Silk Screen, PVD Plating, Zinc/Nickl/Chrome/Titanium Plating, Brushing, Painting, Powder Coated, Passivation, Electrophoresis, Electro Polishing, Knurl, Laser/Etch/Engrave etc. |
| | ±0.002 ~ ±0.005mm |
| | Min Ra 0.1~3.2 |
| CERTIFICATE | ISO9001:2015,AS9100D,ISO13485:2016,ISO45001:2018,IATF16949:2016,ISO14001:2015,ROSH,CE etc. |
FAQ
1. Are you a manufacturer or a trading company?
We are a factory located in Shenzhen, China, with 20 years of rich experience,
covering 6000 square meters. Complete facilities, including 3D quality inspection equipment, ERP system and 40 machines. If necessary, we can provide you with material certificates, sample quality inspection and other reports.
2. How to get a quote?
Detailed drawings (PDF/STEP/IGS/DWG...), including quality, delivery date, materials, quality, quantity, surface treatment and other information.
3. Can I get a quotation without drawings?
Can your engineering team draw for my creativity? Of course, we are also glad to receive your samples, pictures or detailed size drafts for accurate quotation.
4. Can you provide samples before mass production?
Of course, the sample fee is necessary. If possible, it will be returned during mass production.
5. What is the delivery date?
Generally, the sample lasts for 1-2 weeks and the batch production lasts for 3-4 weeks.
6. How do you control quality?
(1) Material Inspection - Check material surfaces and approximate dimensions.
(2) First inspection of production - ensure
critical dimensions in mass production.
(3) Sampling inspection - check the quality before delivery to the warehouse.
(4) Preshipment inspection - 100% inspection by QC assistant before shipment.
7. After sales service team
If you have any problems after receiving the product, you can provide feedback through voice call, video conference, email, etc. within one month. Our team will provide you with solutions within a week.
