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Aluminium parts CNC turning

Aluminium parts CNC turning

PROTEC GMBH Zerspanungstechnik

77716-D Haslach im Kinzigtal
        12 Schleifmattstr.

+49 7832 7090

+49 7832 70950

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Aluminium parts CNC turning


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Beschreibung
CNC turning of aluminum parts involves using a computer numerical control (CNC) lathe to shape and cut aluminum into the desired components. Here's a guide to CNC turning of aluminum parts:
  1. Material Selection:
    • Choose the appropriate aluminum alloy for your application. Common alloys include 6061, 7075, and 2024. Consider the alloy's properties such as strength, machinability, and corrosion resistance.
  2. Tool Selection:
    • Select cutting tools suitable for aluminum machining. Carbide or high-speed steel (HSS) tools are commonly used. Consider tool coatings like TiN or TiAlN to enhance tool life.
  3. Cutting Speeds and Feeds:
    • Adjust cutting speeds and feeds based on the specific aluminum alloy and part geometry. Aluminum is typically machined at higher cutting speeds compared to other metals. Experiment with cutting parameters to find the optimal balance between speed and quality.
  4. Coolant and Lubrication:
    • While aluminum machining generates less heat than some metals, using a coolant or lubricant can still be beneficial. Coolants help to dissipate heat, reduce friction, and improve surface finish. Consider water-soluble coolants for aluminum.
  5. Workholding:
    • Secure the aluminum workpiece using appropriate workholding methods. Soft jaws or custom fixtures may be used to prevent distortion or damage to the workpiece during machining.
  6. Tool Path Optimization:
    • Optimize tool paths to minimize tool changes, reduce cycle times, and achieve a smooth surface finish. Efficient programming can help minimize tool wear and maximize machine productivity.
  7. Chip Control:
    • Proper chip control is important to prevent chip entanglement and ensure a clean machining process. Adequate chip evacuation helps avoid re-cutting of chips, leading to improved surface finish.
  8. Surface Finish Considerations:
    • Pay attention to the desired surface finish of the aluminum part. Adjust cutting parameters and tool selection to achieve the required surface quality. Post-machining processes like polishing may be required for specific applications.
  9. CNC Programming:
    • Develop CNC programs with precision and accuracy. Consider factors such as toolpath optimization, tool changes, and tool offsets. Thoroughly simulate and test the program before running it on the CNC machine.
  10. Quality Control:
    • Implement stringent quality control measures to inspect critical dimensions and tolerances. Regularly check the machined parts to ensure they meet specifications.
  11. Post-Machining Processes:
    • Depending on the application, consider any required post-machining processes such as deburring, cleaning, or additional surface treatments. These processes contribute to the final appearance and functionality of the turned aluminum parts.
  12. Documentation and Traceability:
    • Maintain comprehensive documentation for each turned aluminum part, including material certifications, inspection reports, and CNC programs. Establish traceability to track the manufacturing history of each component.
  13. Safety Precautions:
    • Follow safety guidelines when operating CNC turning machines. Wear appropriate personal protective equipment (PPE) and be aware of the specific safety considerations associated with machining aluminum, such as the potential for sharp chips.
Produktparameter

Turning

Gridding

Milling

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Aluminium parts CNC turning

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