Precision Aluminum Alloy Parts Custom Machining | Metalbur

Your Sheet Metal Specialist

From custom prototypes to mass production, we provide comprehensive sheet metal solutions.

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Six Core Advantages

 

Lightweight Design

By optimizing structures and using lightweight alloys, we significantly reduce product weight while ensuring strength.

 

High Strength & Durability

Our materials possess excellent mechanical properties, ensuring stable performance even in harsh environments.

 

Excellent Thermal & Electrical Conductivity

Ideal for heat sinks, electrical enclosures, and other thermal management and electronic applications.

 

High Design Flexibility

Supports complex geometries, easy bending and stamping, enabling diverse design requirements.

 

Cost-Effective

Suitable for medium to large batch production with efficient processes and competitive unit costs.

 

Fast Delivery Cycles

Integrated automated production lines ensure quick response from order placement to delivery.

Common Aluminum Alloy Grades

Grade Main Characteristics Typical Applications
6061 Good strength, corrosion resistance, and weldability, excellent comprehensive performance Structural frames, enclosures, aerospace auxiliary components
7075 Ultra-high strength, comparable to many steels, used for high strength requirements Aerospace main structural components, high-performance bicycle parts
2024 High fatigue strength, excellent machinability Aircraft skins, rivets, hydraulic components
5052 Excellent seawater corrosion resistance, good formability Marine components, automotive sheet metal parts, electronic enclosures
3003 Good corrosion resistance, excellent formability, general-purpose alloy Kitchenware, chemical equipment, deep-drawn products
1100 Industrial pure aluminum, excellent electrical and thermal conductivity, good formability Thermal conductive elements, nameplates, chemical storage tanks

Need help selecting the right aluminum alloy for your project?

Contact Our Experts

Six Application Industries

 

Communications & Electronics

5G base station housings, server chassis, RF devices, heat sinks.

 

Automotive & Transportation

New energy battery cases, automotive structural parts, sensor brackets, interior panels.

 

Aerospace

Aircraft interior panels, brackets, electronic equipment compartments, UAV structural components.

 

Industrial Equipment & Automation

Robot housings, protective covers, control cabinets, conveyor line structural parts.

 

Medical Equipment

Medical instrument housings, equipment panels, mobile medical vehicle sheet metal parts.

 

New Energy & Power

PV inverter housings, power module casings, distribution boxes.

CNC Machining Process

CNC Machining Processes

After sheet metal forming, precision CNC machining is often required to complete critical features. Using advanced 5-axis machining centers and high-speed precision CNC milling machines, we provide:

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    High-Precision Feature Machining

    Milling complex curved surfaces, cavities, and special-shaped holes on sheet metal parts.

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    Strict Tolerance Control

    Achieving tolerance requirements of ±0.05mm or even tighter.

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    Deburring & Finishing

    Automated processing of edges to ensure smooth, burr-free parts.

  •  

    Turn-Mill Composite Machining

    One-stop turning, milling, drilling, and tapping processing for rotating sheet metal components.

Surface Treatment Options

 

Anodizing

Provides various colors including natural and black, enhancing corrosion resistance, wear resistance, and aesthetics.

 

Sandblasting

Creates a matte,细腻 surface texture, improving hand feel and appearance.

 

Electrophoresis

Provides an even coating without sagging, with good corrosion resistance.

 

Powder Coating

Rich color options, controllable coating thickness, and high mechanical strength.

 

Nickel Plating

Provides excellent wear resistance, corrosion resistance, and welding performance.

 

Conductive Oxidation

Suitable for applications requiring electromagnetic shielding or conductive connections.

 

Brushing

Creates attractive linear textures, commonly used for decorative panels.

 

Custom Options

We can provide custom surface treatment solutions according to your specific requirements.

Company Strength

  Advanced Manufacturing Capabilities

Equipped with over 20 fiber laser cutting machines, CNC punching machines, and fully automatic bending centers, achieving full-process coverage of sheet metal manufacturing.

  Automation & Intelligence

Built 3 flexible sheet metal automated production lines, integrating loading and unloading robotic arms and automatic bending robots to ensure efficiency and consistency.

  Digital Control System

Implemented MES production management system and digital twin technology, achieving real-time monitoring and optimization of the entire production process.

  Quality Assurance System

Equipped with multiple coordinate measuring machines (CMM) and 3D laser scanners, performing strict inspections on first articles and online products to ensure compliance with ISO 9001 and AS9100 standards.

  Engineering Support

Our senior engineer team provides DFM (Design for Manufacturability) analysis to optimize your design for cost reduction and manufacturability improvement.

  Certifications

ISO 9001, IATF 16949, AS9100D, ISO 14001, and ISO 45001 certified, ensuring our products and services meet international standards.

Quality Control System

Technical Parameters

Processing Tolerance

  • Laser Cutting: ±0.1mm
  • Bending Angle: ±0.5°
  • Hole Position Accuracy: ±0.05mm

Surface Roughness

Ra 0.8μm – 6.3μm

(Higher surface finish can be achieved upon request)

Maximum Processing Size

3000mm x 1500mm

Material Thickness Range: 0.5mm – 12.0mm (depending on material)

Bending Precision

Through robotic bending and real-time compensation technology, the repeat positioning accuracy can reach ±0.01mm.

CNC Machining

  • Spindle Speed: 12,000 – 24,000 RPM
  • Positioning Accuracy: ±0.005mm
  • Repeatability: ±0.003mm

Production Capacity

  • Monthly Capacity: 500,000+ parts
  • Lead Time: 2-14 days
  • Prototyping: 1-3 days

Frequently Asked Questions

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Get in Touch

Whether you have a question about our services, need a quote, or want to discuss a custom project, our team is ready to help.

 

Phone

+86 XXX-XXXX-XXXX

 

Email

contact@metalbur.com

 

Address

[Your Detailed Company Address]

 

WeChat

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