3-Axis CNC Machining Services for Aluminum
CNCALPARTS provides precision 3-axis CNC machining services exclusively for aluminum alloys. Our facility in Shenzhen is optimized for the specific material characteristics of aluminum, enabling efficient production of housings, brackets, plates, and structural components.
By focusing our operations on a single material category, we maintain superior control over tooling, cutting parameters, and dimensional accuracy.
- General Tolerance
- ±0.05 mm
- Precision Down To
- ±0.01 mm
- Max Milling Size
- 1000 mm
- Min Wall Thickness
- 0.5 mm
Aluminum Alloys We Machine
6061 · 7075 · 6082 · 2024 · 5052 · 5083
Reliable 3-Axis Machining for Aluminum Components
3-axis CNC milling is the foundation of our production. It is the most cost-effective and efficient method for manufacturing parts that require machining from a single orientation or simple multi-sided features.
High-Speed Material Removal
For aluminum, 3-axis machining allows for high-speed material removal while maintaining the surface finish quality necessary for subsequent anodizing or coating.
Aluminum-Calibrated Setups
Because we work exclusively with aluminum, our setup processes, workholding strategies, and tool selections are calibrated to prevent common issues such as thin-wall distortion, chatter, and internal stress release.
Our 3-Axis CNC Machining Capabilities
We utilize advanced 3-axis milling centers to achieve high dimensional accuracy and repeatable results.
| Capability | Typical Range |
|---|---|
| Materials | Aluminum Alloys Only (6061, 7075, 6082, 2024, 5052, 5083) |
| CNC Milling | 3-Axis Milling |
| Maximum Milling Size | 1000 × 600 × 500 mm |
| General Machining Tolerance | ±0.05 mm |
| Precision Tolerance | Down to ±0.01 mm |
| Hole Tolerance | Down to ±0.01 mm |
| Flatness / Parallelism | Down to 0.02 mm |
| Surface Roughness | Ra 0.8–3.2 µm |
| Minimum Wall Thickness | 0.5 mm |
| Minimum Hole Diameter | Ø1.0 mm |
| Prototype Quantity | 1–10 pcs |
| Production Quantity | 10–500+ pcs |
Ideal Applications for 3-Axis Milling
3-axis machining is suitable for a wide variety of aluminum parts where features are accessible from a single plane. We frequently manufacture the following components for robotics, automation, and electronics industries.
Brackets and Plates
Structural mounting components requiring precise hole locations and flatness.
Housings and Enclosures
Protective casings where interior pocketing and exterior surface finish are critical.
Heat Sinks
Components requiring high-surface-area geometries and tight flatness control for thermal contact.
Frames and Manifolds
Rigid components machined from billet aluminum.
Machine Components
Custom parts for assembly lines and automated systems.
Your Project
Send your drawings and we will confirm whether 3-axis milling is the most cost-effective route.
Start an inquiry →Precision and Quality Control
Achieving tight tolerances in aluminum requires a deep understanding of material behavior. Our quality control process begins before the first cut, with a thorough review of your drawings, tolerances, and critical dimensions.
During production, we utilize CMMs, height gauges, micrometers, and surface roughness testers to verify parts against your specifications. For 3-axis production runs, we perform First Article Inspections (FAI) to ensure that the setup is stable and the dimensions remain consistent from the first piece to the final unit. We provide comprehensive inspection reports upon request to meet your documentation standards.
Inspection Equipment & Practice
- Coordinate Measuring Machines (CMMs)
- Height gauges and micrometers
- Surface roughness testers
- First Article Inspections (FAI) for production runs
- Inspection reports provided on request
Aluminum Surface Finishing
We offer a range of finishing services to ensure your 3-axis machined parts meet both functional and aesthetic requirements.
As Machined
Standard finish directly from the mill.
Bead Blasting
Creates a uniform matte appearance and removes minor machining marks.
Anodizing
Clear, black, or custom color anodizing for corrosion resistance and surface hardness.
Hard Anodizing
Applied when higher wear resistance is required.
Powder Coating
Provides a durable, protective layer for external environments.
Why Choose CNCALPARTS
Many machine shops process a wide variety of metals and plastics. We have chosen to focus exclusively on aluminum. This narrow focus allows us to optimize every aspect of our workflow—from workholding fixtures that prevent part deformation to specialized cutting tools that ensure high-quality surface finishes.
When you partner with us, you are working with a team that understands the specific challenges of aluminum machining, including thermal expansion, stress relief, and the nuances of anodizing preparation. We provide the stability, communication, and technical expertise required for long-term production.
Single-Material Focus
Aluminum alloys only
Prototype to Batch
1 to 500+ pcs
Documented Quality
FAI and inspection reports
Request a Quote for Your Aluminum Project
We support projects ranging from rapid prototypes to low-volume and batch production. To receive a quote, please send your 3D models (STEP/STP format) and technical drawings (PDF) to our engineering team.
We review every inquiry to ensure your design is optimized for manufacturing, providing feedback on tolerances and features to help reduce production costs and lead times.
Email: info@cncalparts.com
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