CNC Milling

CNC (Computer Numerical Control) milling is a machining process that uses rotary cutting tools to remove material from a workpiece to create a desired shape. It operates on a multi-axis system, where the cutting tool moves in different directions along the workpiece. CNC milling machines are capable of producing complex shapes with high precision and accuracy. They are commonly used in industries such as aerospace, automotive, and manufacturing for producing components like gears, shafts, and engine parts.
The advantages

High Accuracy

Repeatable Quality

Complexity

Productivity

Cost-Effectiveness

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Contents
What is the CNC Milling?
How CNC Milling works?
Features of CNC Milling
Materials for CNC Milling
Surface Finishes for CNC Milling

What is the work procedure of CNC Milling?

CNC milling is a machining process that uses rotary cutting tools to remove material from a workpiece to create a desired shape. The process typically follows these steps:

1,Design Preparation: The part design is created using CAD (Computer-Aided Design) software, which generates a digital model of the desired part geometry.

2,Toolpath Generation: CAM (Computer-Aided Manufacturing) software is used to generate toolpaths based on the part design. These toolpaths define the movements of the cutting tool relative to the workpiece.

3,Machine Setup: The workpiece is secured to the CNC milling machine's worktable, and the appropriate cutting tool is installed in the machine's spindle.

4,Milling Operation: The CNC milling machine executes the programmed toolpaths, moving the cutting tool along multiple axes (typically three or more) to remove material from the workpiece according to the specified design.

5,Finishing: After rough milling operations are complete, finishing passes may be performed to achieve the final desired surface finish and dimensional accuracy.

6,Part Inspection: The finished part is inspected to ensure it meets the specified tolerances and quality standards.


Features of CNC Milling

High Precision: CNC milling machines are capable of producing parts with extremely tight tolerances and precise dimensions.

Versatility: CNC milling can be used to produce parts with a wide range of geometries, including complex shapes, contours, and features.

Automation: CNC milling machines can be fully automated, allowing for unattended operation and high productivity.

Flexibility: CNC milling machines can accommodate a variety of materials, including metals, plastics, and composites.

Multi-Axis Machining: CNC milling machines are available in configurations with three or more axes, allowing for simultaneous machining in multiple directions.

Efficiency: CNC milling can be a highly efficient process, especially for producing complex parts in small to medium quantities.


Advantage

1.High Accuracy: CNC milling machines can achieve extremely precise machining results, making them suitable for applications that require tight tolerances.

2.Repeatable Quality: CNC milling ensures consistent part quality across production runs, reducing variability and minimizing scrap.

3.Complexity: CNC milling can produce parts with intricate features and complex geometries that would be difficult or impossible to achieve with conventional machining methods.

4.Productivity: CNC milling machines can operate continuously, maximizing production efficiency and throughput.

5.Cost-Effectiveness: Despite the initial investment in equipment and setup, CNC milling can be cost-effective for producing parts in medium to large quantities due to its high efficiency and automation capabilities.

Drawbacks

1.Initial Investment: The upfront cost of CNC milling machines and tooling can be significant, especially for high-precision or multi-axis systems.

2.Programming Complexity: Creating and optimizing CNC milling programs requires skilled programmers and can be time-consuming, particularly for complex parts.

3.Tool Wear: Cutting tools used in CNC milling wear over time and may need frequent replacement, adding to operating costs.

4.Material Limitations: While CNC milling can accommodate a wide range of materials, certain materials may pose challenges in terms of machinability or tool wear.

5.Setup Time: Changing setups between different parts or machining operations can take time, reducing overall production efficiency.


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Maximum Capabilities for CNC Milling

FeatureSize   Description
Maximum Part   Size200 x 80 x 100 cm
Standard   Tolerances±0.125mm (±0.005″)
High Precision   TolerancesDown to +/-   0.0125mm(0.0005 in.)
Threads and   Tapped HolesVoreal   can accommodate any standard thread size.
    We can also machine custom threads;


Materials for CNC Milling

Aluminum   AlloysCopper/   Brass/Titanium/Zinc AlloysStainless   Steel/Steel AlloysPlasticCustom
    Aluminum 6061
   
    Aluminum 5052
   
    Aluminum 2024
   
    Aluminum 6063
   
    Aluminum 7050
   
    Aluminum 7075
   
    Others
    Copper   101
   
    Copper C110
   
    Copper 260
   
    Copper 360
   
    Titanium (Grade 2)
   
    Titanium (Grade 5)
   
    Zinc Alloy
   
    Others
   Stainless   Steel
   
    Stainless Steel 303
   
    Stainless Steel 316/316L
   
    Stainless Steel 416
   
    Alloy steel
   
    A2 Tool Steel
   
    O1 Tool Steel
   
    Others
    ABS
   
    Acrylic
   
    Polycarbonate (PC)
   
    Delrin (Acetal)
   
    Garolite
   
    PEEK
   
    Polypropylene
   
    PTFE (Teflon)
   
    UHMW PE
   
    PVC
   
    Others
If   you require the material that's not inlcuded in the list,pls contact us   directly,Thank you!


Surface Finishes for CNC Milling

Standard   (As-Milled)Electropolishing
Bead BlastSilver Plating
TumbledZinc Plating
Anodized (Type   II Or Type III)Brushed
Powder CoatGold Plating


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