Aluminum-only CNC machining
Precision CNC Machining for Lightweight Aluminum Parts
CNCALPARTS specializes exclusively in the CNC machining of aluminum alloys. We provide consistent, high-quality components for weight-sensitive applications, from robotic structures and drone housings to industrial cooling solutions.
- Min. wall
- 0.5 mm
- Precision
- ±0.01 mm
- Milling envelope
- 1000 mm
- Production
- 1–500+ pcs
Engineered for weight-sensitive assemblies
Thin walls, deep pockets, ribs, apertures, and complex 5-axis geometries.
Design for weight reduction
Lightweight does not mean lightly engineered.
Lightweight aluminum parts often rely on thin walls, deep pockets, ribbed structures, hollow sections, and topology-inspired forms to achieve an optimized strength-to-weight ratio. These geometries demand disciplined process control from billet preparation through inspection.
01
Control internal stress
Stress-relieving machining sequences help prevent warp when large volumes of billet are removed.
02
Protect thin walls
Vibration control and specialized workholding reduce deflection in walls as thin as 0.5 mm.
03
Preserve structural intent
Consistent material integrity in pocketed and skeletonized components supports assembly performance and weight targets.
Machine capability
A process window built around aluminum.
Our 3-, 4-, and 5-axis CNC equipment handles everything from simple plates and brackets to complex housings with deep cavities, ribs, and multi-sided features.
| Capability | Specification |
|---|---|
| Material focus | Aluminum alloys only: 6061, 7075, 6082, 2024, 5052, 5083 |
| Max milling envelope | 1000 × 600 × 500 mm |
| Max turning diameter | Ø300 mm |
| General tolerance | ±0.05 mm; precision down to ±0.01 mm |
| Surface roughness | Ra 0.8–3.2 μm |
| Minimum wall thickness | 0.5 mm |
| Thread capability | M1.6 and above |
Material selection
Choose the alloy around the load case.
The right grade affects strength, machinability, corrosion behavior, and finishing results across the complete lightweight assembly.
6061
BalancedThe industry standard for balanced strength, weldability, and corrosion resistance. Ideal for general housings, brackets, frames, and fixtures.
7075
High strengthSelected when strength-to-weight performance is critical, including aerospace, high-performance robotics, and highly loaded structural components.
5052 / 5083
Finish-readyPreferred for components requiring excellent surface finishing and strong anodizing results.
Finishing and integration
Parts arrive ready for the next step.
Surface finish supports protection, appearance, electrical performance, and reliable assembly. We coordinate the finishing route with your functional requirements.
Anodizing
Clear, black, and color anodizing, including Type II and Type III / hard coat, for wear resistance and environmental protection.
Bead blasting
A uniform, non-reflective matte surface that helps hide minor machining marks on cosmetic enclosures and equipment panels.
Chemical film
Chromate conversion for electrical conductivity and corrosion protection, often specified for electronics and grounding applications.
Production workflow
From prototype learning to repeatable batches.
Every part is verified with CMMs, micrometer sets, and thread gauges. First Article Inspection reports are available upon request.
Prototype: 1–10 pcs
Fast turnaround and design verification help you test lightweight concepts, thin-wall strategies, and assembly fit quickly.
Low volume: 10–500+ pcs
Stable setups, standardized workholding, and consistent cutting parameters support repeatable production at scale.
Inspection and release
Documented checks confirm dimensional compliance so the 500th part is produced to the same standard as the first.
Technical guidance
Common questions about lightweight aluminum machining.
Start a technical conversation
Partner with CNCALPARTS for your next lightweight aluminum part.
Upload your STEP/STP files and PDF drawings for a technical review and competitive quote. Our team is ready to help with thin-wall machining, complex 5-axis geometries, and aluminum surface finishes.
Facility: Shenzhen
Email: info@cncalparts.com
Address:
We machine aluminum. Only aluminum.
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Share your project details and our team will review the requirements.