Aluminum CNC Machining Service
Aluminum is the workhorse of CNC machining. It’s lightweight, strong, corrosion-resistant, and machines beautifully. Whether you need a prototype bracket or 10,000 production parts, we’ve got you covered.
We machine all common aluminum alloys—6061, 7075, 2024, 5083—and offer a full range of secondary operations and surface finishes.
Why Aluminum for CNC Machined Parts?
Lightweight
1/3 the weight of steel – ideal for aerospace, automotive, and portable devices
Good strength-to-weight
6061‑T6: 310 MPa tensile; 7075: 570 MPa – strong enough for structural parts
Corrosion resistant
Natural oxide layer protects; anodizing makes it even better
Excellent machinability
Cuts fast, good surface finish, long tool life – keeps costs down
Thermally conductive
Great for heat sinks, LED housings, electronic enclosures
Recyclable
Environmentally friendly
Common Aluminum Alloys We Machine
| Alloy | Key Properties | Applications |
|---|---|---|
| 6061‑T6 | General purpose, good strength, corrosion resistant | Brackets, enclosures, automotive parts, prototypes |
| 7075 | Very high strength (comparable to steel) | Aerospace structural parts, bicycle components |
| 2024 | High strength, good fatigue resistance | Aircraft fittings, military hardware |
| 6063 | Good extrudability, often used for architectural shapes | Window, enclosures, railings (machined from bar) |
Not sure which alloy you need? Tell us your application, and we’ll recommend the right one.
Surface Finishing for Aluminum Parts
Aluminum takes finishes beautifully. We offer:
As machined
Clean, deburred, visible tool marks
Bead blast
Uniform matte finish, hides minor marks
Anodizing (Type II)
Decorative colors (black, red, blue, clear); corrosion protection
Hardcoat (Type III)
Thick, wear‑resistant coating for functional parts
Chromate (Alodine)
Conductive coating for electrical applications
Powder coating
Durable colors, any RAL
Mechanical polish
Satin to mirror finish
Laser marking
Logos, serial numbers, 2D codes
Design Tips for Aluminum CNC Machining
Keep wall thickness reasonable: 0.8 mm minimum for general machining; thinner needs vacuum fixtures or special strategies.
Avoid sharp internal corners: Use radiused corners to match tool diameter – saves machining time.
Consider anodizing early: If you need a colored finish, let us know before quoting so we can adjust dimensions.
Threads are cheaper when tapped: For standard threads, tapping is faster than thread milling. We’ll choose the best method.
Aluminum is soft: It can scratch during handling – we pack carefully, but if cosmetic perfection is critical, specify.
Typical Applications for CNC Machined Aluminum
Aerospace: Brackets, housings, prototype components
Automotive: Engine mounts, sensor enclosures, EV battery parts
Consumer electronics: Enclosures, heat sinks, faceplates
Robotics: Arms, joints, mounting plates
Industrial: Manifolds, valve bodies, machine guards
Medical: Instrument handles, fixture components (non‑implant)
Why Choose Xinrico for Your Aluminum Parts?
Engineer‑led communication: You’ll talk to someone who knows feeds, speeds, and fixturing – not a sales script.
Free DFM feedback: We review your design and suggest ways to save cost or improve function.
Fast turnaround: Most aluminum parts ship in 7 business days; rush available.
Flexible quantities: From one prototype to 10,000+ pieces – no MOQ hassles.
Full inspection: Dimensional reports, material certs, photos – we document what we ship.