Milling copper electrodes and aluminium materials without clogging

Non-ferrous metals are used daily in mould and die making. Aluminium alloys and copper are machined most frequently. Due to the nature of these materials, many milling cutters can produce defective results and lead to ‘clogging’. We show you what to look out for and which cutting tools are best suited for machining these materials.

Copper electrodes

Due to the thermal sensitivity of copper materials, using the cutting tools incorrectly can cause warping and built-up edges on the tool. To avoid this, milling cutters with a specially adapted geometry are needed. Additionally, sharp cutting edges ensure controlled chip formation and thus optimum results.

 

Machining challenges:

  • Milling of complex and filigree contours
  • Small radii and deep cross pieces
  • Precision and surface quality at the highest level

Copper – Special requirements for cutting tools

Copper – special requirements for cutting tools

Precise cutting tools are essential for perfect results when machining copper materials. Diameter, radius, shank and concentricity must be ground exactly to µ accuracy.

3D-Torusfräser für Kupfer WZF 27896

No marking of the shank for perfect concentricity

Specially matched substrate for the machining of copper

Polished cutting edges and chip spaces

Extremely sharp cutting edges for minimised burr forming

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    Our practical tip for calculating cutting values

    With our cutting data calculator, you can get the right cutting values in no time at all. What’s more, we provide you with valuable information and tips for perfect use of the tool.

    Aluminium materials

    Depending on the requirements, different aluminium alloys are needed. When machining soft aluminium alloys, a number of points must be taken into account in order to obtain optimum results.

     

    Machining challenges:

    • Different aluminium alloys are suitable to different extents for machining.
    • Soft aluminium alloys tend to clog and form built-up edges.
    • Sufficient cooling during machining is of the utmost importance.

    Materialqualitaeten-3

    Aluminium materials – special requirements for cutting tools

    Schrupp- und Schlichtfräser WZF 12838 für Aluminium

    Large, high precision-ground chip spaces for HPC, slot milling, roughing, and finish milling guarantee optimum chip transport.

    Nano polished cutting edges increase the service life at highest feed rates.

    Non-uniform chip pitches reduce vibrations.

    The special symmetrical front shape allows the highest feed rates with the best process reliability for helix milling, ramping and drilling.

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    Aluminium materials in the Meusburger product range

    3.3547 Aluminium alloy 

     

    • Non-hardenable, solution-annealed, stress-relieved aluminium alloy with particularly good machining and welding properties
    • Excellent dimensional stability; ideally suited for anodising, hard chrome plating and chemical nickel plating
    • High corrosion resistance

    DIN designation: AlMg4.5Mn
    EN designation: AW-5083

    3.4365 Aluminium-zinc alloy

     

    • Hardened, high-strength aluminium-zinc alloy with good properties for grain etching
    • Good machinability, EDM properties and polishability

    DIN designation: AlZnMgCu 1.5
    EN designation: AW-7075

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