We manufacture custom aluminum CNC turned parts with excellent dimensional accuracy, superior surface finish, and reliable repeatability. Whether you need prototypes or high-volume production, our experienced team delivers consistent quality and on-time delivery.
Custom aluminum CNC turning is suitable for manufacturing cylindrical and rotational components with consistent dimensions and repeatable quality. Yumei works with aluminum alloys for applications requiring lightweight construction, corrosion resistance, machinability, and reliable mechanical performance.
Our aluminum CNC turning service supports:
Our engineering team can review your drawings and production requirements before machining to help identify suitable materials, tolerances, machining methods, and finishing options.
Prototype aluminum turning allows engineers and product developers to verify dimensions, assembly, functionality, and design requirements before moving to larger production quantities.
For small and medium production runs, CNC turning provides flexible manufacturing without requiring dedicated production tooling.
For repeat production, CNC turning can provide consistent part dimensions and repeatable machining processes across larger quantities.
| Grades | Features | Applications |
|---|---|---|
| 6061 (T6) | Medium Strength (240 MPa); easy to machine, prone to oxidation, high cost-effectiveness | General Structural Components, Equipment Enclosures, Brackets, Connectors |
| 6063 | Good plasticity, easily extruded; produces an attractive finish upon anodizing; burr-free machining | Profiles, Frames, Cosmetic Parts, Heat Sinks |
| 6082 | Medium Strength (310 MPa); stronger than 6061; stable machining performance | Heavy-Duty Structural Components, Robotic Arms, Mold Base Plates |
| 6066 | High Strength (340 MPa); balanced properties; suitable for precision machining | Precision Structural Components, Jigs & Fixtures, Instrument Housings |
| 7075 | Ultra-High Strength (≥570 MPa); wear-resistant; slightly more challenging to machine | Aerospace Parts, High-Load Structural Components, Gears, Mold Plates |
| 7050 | High Strength (540 MPa); excellent toughness; requires a rigid machine tool for machining | Aerospace Structural Components, Core Drone Components |
| 5052 | Excellent corrosion resistance; bendable; easy to machine; good weldability | Sheet Metal Parts, Fuel Tanks, Parts for Humid Environments |
| 5083 | High magnesium content for superior corrosion resistance; strengthened via cold working; prone to tool adhesion (requires effective chip evacuation) | Marine Parts, Pressure Vessels, Large-Scale Outdoor Structures |
| 2024 | High Strength (470 MPa); heat-resistant; moderate corrosion resistance (typically requires surface treatment) | Aerospace Parts, Parts for High-Temperature Environments, Defense Sector Components |
| 2017 | Medium Strength (370 MPa); easy to machine; high cost-effectiveness | Shafts, Gears, Jigs & Fixtures |
| 2A12 (LY12) | High Strength (420 MPa); good rigidity; relatively hard to machine | Aerospace Structural Components, Mold Inserts, Load-Bearing Brackets |
| 1050/1060 | Pure Aluminum (95 MPa); excellent thermal and electrical conductivity; prone to tool adhesion | Heat Sinks, Conductive Parts, Simple Enclosures |
| 3003 | Lightweight and Strong (150 MPa); good corrosion resistance; easy to machine | Equipment Housings, Light-Load Parts, Consumer Goods |














Surface finishing improves corrosion resistance, appearance, wear resistance, and product performance.
Available finishes include:
Custom finishes can be supplied according to customer specifications.
| Permissible deviations in mm for ranges in nominal lengths | Tolerance class:designation (description) | |||
|---|---|---|---|---|
| f (fine) | m (medium) | c (coarse) | ||
| Linear Dimensions | ||||
| 0.5 up to 3 | ±0.05 | ±0.1 | ±0.2 | |
| over 3 up to 6 | ±0.05 | ±0.1 | ±0.3 | |
| over 6 up to 30 | ±0.1 | ±0.2 | ±0.5 | |
| over 30 up to 120 | ±0.15 | ±0.3 | ±0.8 | |
| over 120 up to 400 | ±0.2 | ±0.5 | ±1.2 | |
| over 400 up to 1000 | ±0.3 | ±0.8 | ±2.0 | |
| over 1000 up to 2000 | ±0.5 | ±1.2 | ±3.0 | |
| over 2000 up to 4000 | - | ±2.0 | ±4.0 | |
| External Radius and Chamfer Heights | ||||
| 0.5 up to 3 | ±0.2 | ±0.2 | ±0.4 | |
| over 3 up to 6 | ±0.5 | ±0.5 | ±1.0 | |
| over 6 | ±1.0 | ±1.0 | ±2.0 | |
| Angular Dimensions | ||||
| up to 10 | ±1º | ±1º | ±1º30' | |
| over 10 up to 50 | ±0º30' | ±0º30' | ±1º | |
| over 50 up to 120 | ±0º20' | ±0º20' | ±0º30' | |
| over 120 up to 400 | ±0º10' | ±0º10' | ±0º15' | |
| over 400 | ±0º5' | ±0º5' | ±0º10' | |
A: 6061 aluminum is the most commonly used because it offers an excellent balance of machinability, strength, corrosion resistance, and cost. For applications requiring higher strength, 7075 aluminum is often recommended.
A: Standard machining tolerance is ISO2768-m, while critical dimensions can reach up to ±0.005 mm depending on part geometry and inspection requirements.
A: Yes. We produce fully customized aluminum CNC turning parts based on 2D drawings, 3D CAD files, or physical samples.
A: We accept STEP, STP, IGES, IGS, DWG, DXF, PDF, SolidWorks, and other standard CAD formats.
A: Yes. Rapid prototyping services are available before full-scale production to verify design and functionality.
A: We manufacture aluminum precision turned components for automotive, aerospace, electronics, robotics, medical equipment, industrial machinery, renewable energy, telecommunications, and many other sectors.
