CNC EDM Cutting

Sep 24 , 2024 | Blog

CNC EDM (Electrical Discharge Machining) cutting is a unique method used to cut hard metals and other materials that are difficult to machine with traditional methods. It uses electrical discharges (sparks) to shape the material.


Working Principle


CNC EDM cutting works by creating a series of rapid electrical discharges (sparks) between an electrode and the workpiece. The electrode and the workpiece are submerged in a dielectric fluid, which helps to control the electrical discharge and cool the cutting area. When the electrical discharge occurs, it generates intense heat that vaporizes the material at the point of contact. The CNC system precisely controls the movement of the electrode, following the programmed path to shape the material. The dielectric fluid also flushes away the eroded material, maintaining a clean cutting area. This process is particularly effective for producing complex shapes and fine details in hard materials.

Pros

  • High precision: Capable of producing extremely accurate cuts with fine details.
  • Complex shapes: Excellent for creating intricate and complex shapes that would be challenging with other methods.
  • Hard materials: Ideal for cutting very hard materials, including hardened steel and exotic alloys.
  • No mechanical force: Since it uses electrical discharges, there’s no mechanical force applied to the material, reducing the risk of distortion.

Cons

  • Slow process: Generally slower than other cutting methods, which can affect production speed.
  • High energy consumption: Uses a significant amount of electrical energy, increasing operational costs.
  • Material limitations: Only works on electrically conductive materials, limiting its application.

 

If you have any prototyping project please feel free to contact: enquiry@abcrapid.com.

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