Precision CNC Machining

Core Manufacturing Technologies & Services

LEEDO Technology provides precision CNC machining services, from 3-axis to 5-axis compound machining. Covering various materials such as aluminum alloys, stainless steel, and titanium alloys, we can machine complex geometries, thin-wall parts, and thermal modules, providing high-precision component manufacturing solutions for AI servers, semiconductor equipment, aerospace, and medical devices.

Precision CNC Machining
Computer numerical control enables micron-level machining accuracy, ensuring highly consistent dimensions for every product.
5-Axis Precision Machining
Complex geometries can be completed in a single setup, eliminating errors from multiple setups while improving accuracy and efficiency.
Aluminum Component Manufacturing
Specialized in machining various aluminum alloys, with downstream surface treatments available for one-stop delivery.
High-Precision Milling and Turning
Integrated milling and turning capabilities support various external profiles, internal holes, and thread machining requirements.
Thermal Management Component Manufacturing
Precision machining of water channels, fins, cold plates, and other thermal structures supports AI and high-power equipment requirements.
Precision Surface Treatment and Surface Engineering
After machining, anodizing, electroless nickel plating, and other surface treatments can be integrated to provide complete part solutions.

Main Categories & Technical Specifications

We provide various CNC machining processes and select the optimal process according to part geometry complexity, material, and precision requirements.

Technical specifications for precision CNC machining
CNC Milling
Suitable for planes, contours, pockets, hole patterns, and various geometric machining needs. It is the most common CNC machining process.
CNC Turning
Suitable for rotationally symmetrical parts such as shafts, rings, and sleeves. When combined with milling, it can complete complex workpieces.
5-Axis Machining
Multi-directional cutting can be achieved in a single setup, suitable for aerospace blades, complex thermal structures, and precision medical parts.
Thin-Wall Component Machining
Special fixturing and cutting parameter design prevent deformation of thin-wall parts and ensure dimensional accuracy.
High-Strength Aluminum Alloy Machining
Tool selection and cutting parameters are optimized for high-strength aluminum alloys such as 7075.
Aerospace Structural Component Machining
Strict process control compliant with AS9100 quality standards ensures high-specification dimensions and documentation requirements.

Material Compatibility

Applicable to various industrial metal materials. Optimal tools and cutting parameters are selected according to material characteristics to ensure machining quality.

Aluminum 5052 / 6061 / 6063 / 7075
The primary machining materials, offering high cutting efficiency and compatibility with various surface post-treatments.
Stainless Steel
High hardness and toughness require greater tool wear control, so optimized cutting strategies are used to ensure dimensional stability.
Titanium Alloys
Low thermal conductivity and high springback require special cutting strategies, making titanium a common material for aerospace and medical parts.
Copper Alloys
Good machinability makes copper alloys widely used in electronic connectors, heat sinks, and precision electrical equipment components.

Surface Finish & Appearance Options

The optimal machining axis configuration and process combination are selected according to part geometry complexity and precision requirements.

Process options for precision CNC machining
  • 3-Axis CNC Machining
    Suitable for parts with relatively regular geometries, offering high machining efficiency and cost effectiveness.
  • 4-Axis CNC Machining
    Adds a rotary axis, making it suitable for cylindrical parts that require multi-sided machining.
  • 5-Axis CNC Machining
    Completes complex curved surfaces in a single setup, suitable for aerospace structural parts, heat sinks, and precision medical parts.
  • High-Precision Milling
    Precision contour, pocket, and hole-pattern machining with tolerances within ±0.01mm.
  • High-Precision Turning
    Precision outer diameter, inner diameter, and thread machining ensures roundness and concentricity.
  • Aerospace-Grade Precision Machining
    Strict quality control and documentation traceability meet aerospace specification requirements.
  • Thermal Module Machining
    Precision machining of water channels, piping, and cold plates ensures flow-channel dimensions and sealing surface quality.

Design & Manufacturing Considerations

CNC machining accuracy and efficiency are directly affected by design features. Thin-wall structures, tolerances, material machinability, thermal structure design, and mass production feasibility should be evaluated early in the design stage.

Design and manufacturing considerations for precision CNC machining
  • Thin-Wall Structure Machining Evaluation
    Thin-wall parts have low rigidity and require special fixturing and cutting strategies to prevent deformation. A wall thickness greater than 0.8mm is recommended.
  • Tolerance and Dimensional Control
    Critical dimensional tolerance requirements should be confirmed, as overly tight tolerances can significantly affect machining cost and lead time.
  • Complex Geometry Machining Capability
    The need for 5-axis machining should be evaluated, and tool accessibility and fixturing solutions should be confirmed in advance.
  • Material Machinability Analysis
    Cutting speed, tool selection, and cooling methods are confirmed according to material selection to ensure surface quality.
  • Thermal Structure Design Optimization
    Water channel dimensions, bend radii, and fin spacing must balance thermal performance and machining feasibility.
  • Mass Production Feasibility Evaluation
    Fixture design, machining procedures, and quality control plans are confirmed to ensure production stability and consistency.

Industrial Applications

Precision CNC machining is one of LEEDO Technology’s core capabilities, serving multiple high-specification manufacturing industries.

AI Infrastructure / Server Liquid Cooling Systems
High-precision cold plates, piping, and chassis structural parts support the latest liquid cooling solutions.
Semiconductor Process Equipment
High-cleanliness precision parts such as vacuum chambers and wafer stages meet strict dimensional and surface requirements.
Optical Communication / Optoelectronics / Display Panel Equipment
Optical alignment structural parts and precision frames require strict geometric accuracy control.
Aerospace and Defense Industries
Lightweight structural parts and aircraft interiors meet AS9100 quality system requirements.
Medical Equipment and Medical Devices
Surgical instruments, implant accessories, and related parts meet ISO 13485 medical quality standards.
Industrial Automation / Robotics Systems
Precision links, joints, end effectors, and other high-repeatability mechanical components.
Electric Vehicles and New Energy Equipment
Battery module housings and drive motor structural parts require both lightweight design and high strength.
Bicycle / Motorcycle Parts / Consumer Electronics
Consumer precision parts requiring high appearance quality and dimensional accuracy.