Anodized Custom Aluminum Machined Parts, CNC Milling & Turning Processing
Product Description
Custom CNC machining is a widely utilized subtractive manufacturing technology, renowned for its excellence in producing bespoke metal and plastic components for both prototyping and production needs.
By leveraging CAD (computer-aided design) modeling software and G-code, CNC milling and CNC turning machines expertly remove material from solid workpieces with exceptional precision and speed.
CNC machines excel at creating durable parts with stringent tolerances and a diverse range of outstanding material properties, both mechanical and chemical.
Our bespoke CNC machining service is ideal for unique projects and medium-volume production runs, benefiting from automation and a high degree of reproducibility.
Product Details
The cost of materials in CNC machining can fluctuate significantly due to the extensive array of available options.
Each material carries its unique price tag, and the inherent physical properties of each material play a substantial role in determining machining costs.
Metal Material | Properties |
---|---|
Aluminum 2024 | 2024: Good fatigue resistance and strength; excellent toughness at moderate to high strength levels; improved fracture toughness. |
Aluminum 6061 | 6061: Renowned for excellent machinability, affordability, and versatility. |
Aluminum 7075 | 7075: Known for high strength, hardness, low weight, and heat tolerance. |
Stainless steel | Excellent machinability and outstanding uniformity; good workability and weldability; high ductility and formability. |
Steel Alloy | A mix of chromium, molybdenum, and manganese yields toughness, good torsional strength, and fatigue resistance. |
Brass | A versatile and highly attractive copper/zinc alloy with a warm yellow color, accommodating severe forming and drawing. |
Copper | High ductility and excellent electrical and thermal conductivity; develops an attractive blue-green surface patina over time. |
Titanium | Offers an excellent strength-to-weight ratio, making it ideal for applications in the aerospace, automotive, and medical industries. |
Steel Mild Low Carbon | High machinability and weldability, along with high stiffness; offers good mechanical properties at a low cost. |




Surface finishes | Applicable to | Machining marks |
---|---|---|
As machined | Metals, Plastics | Visible, light surface scratches |
Smooth machining | Metals, Plastics | Visible, light surface scratches |
Fine machining | Metals | Slightly visible |
Polishing | Metals | Removed on primary surfaces |
Bead blasting | Metals | Removed for non-cosmetic, removed on primary surfaces for cosmetic |
Brushing | Metals | Removed for non-cosmetic, removed on primary surfaces for cosmetic |
Anodizing Type II | Aluminum | Removed for non-cosmetic, removed on primary surfaces for cosmetic |
Anodizing Type III | Aluminum | Visible under anodizing |
Black oxide | Copper, Stainless steel, Alloy steel, Tool steel, Mild steel | Visible |
Powder coating | Metals | Removed |
Brushed + electropolishing | Stainless steel | Removed on Primary surfaces |
CNC Machining Applications
CNC machining is extensively utilized in the aerospace, medical, and automotive industries for its capability to swiftly produce precise parts using production-grade materials.
Typical CNC parts, include:
- Housings and enclosures
- Brackets
- Fixtures for manufacturing
- Gears and bearings
- Internal mechanical components
- Medical instrumentation
How does CNC machining work?
CNC machining is a subtractive manufacturing process, meaning it achieves its final product by removing material. It involves tasks like drilling holes, creating slots and pathways, and shaping metal stock into different forms with varying dimensions and designs.
Unlike additive manufacturing, which builds up materials layer by layer, CNC machining subtracts material to create shapes. It also differs from injection molding, where material is injected into a mold to form a specific shape.
CNC machining is highly versatile and compatible with a wide range of materials, including metals, plastics, wood, glass, foam, and composites. This versatility has made CNC machining a popular choice in various industries, offering efficient and precise fabrication for designers and engineers.
How does CNC machining differ from conventional machining?
Conventional machining relies on skilled machinists who manually operate machines to shape or remove metal based on provided engineering drawings or blueprints. They use various tools such as wheels, dials, switches, cutting tools made of different materials like hardened steel, carbide, and industrial diamond, and measuring instruments to ensure accurate dimensions.
CNC machining serves the same purpose as conventional machining, including metal cutting, drilling, milling, grinding, and more. However, CNC machines differ significantly as they are computer numerically controlled, eliminating the need for manual operation by machinists.
CNC machining is automated and follows instructions generated by programmers through code. It maintains precision consistently from the first cut to the 500th and beyond. This technology is widely used in digital manufacturing and is adaptable for modifications and different materials.
CNC machining is known for its exceptional precision and has largely replaced conventional machining in manufacturing, fabrication, and industrial production, although conventional machining is still used to some extent.
It relies on mathematical coordinates, particularly Cartesian coordinates in multiple dimensions, using axes and coordinates defined by engineers in digital product designs. The computer reads these coordinates to automate cutting, drilling, and other operations according to the product’s digital design.
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