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How thick can a 6000 watt laser cut?

Published in Laser Cutting Thickness 2 mins read

A 6000-watt laser, specifically a fiber laser, can cut various materials with different maximum thicknesses, depending on the material's properties. While the exact cutting capability varies based on factors like material type, gas purity, lens quality, and cutting speed, a 6000W fiber laser is a powerful tool capable of cutting substantial thicknesses.

Understanding 6000W Fiber Laser Cutting Capabilities

Fiber lasers are known for their high precision, speed, and efficiency in cutting a wide range of materials, especially metals. A 6000-watt power level allows for significant penetration and clean cuts across diverse applications.

The maximum cutting thickness for a 6000W fiber laser depends primarily on the material being processed. Here's a breakdown of common materials and their achievable cutting thicknesses:

Material Maximum Cutting Thickness (mm)
Carbon Steel 25
Plastic 20
Composites 15
Brass 8

Material-Specific Cutting Insights

  • Carbon Steel: As a widely used industrial material, carbon steel can be cut to a considerable thickness of 25mm with a 6000W fiber laser. This capability makes it suitable for heavy fabrication and structural components.
  • Plastic: Despite its relatively lower melting point compared to metals, plastic can be cut effectively up to 20mm. Laser cutting plastic offers advantages like clean edges and intricate designs without the need for post-processing.
  • Composites: These advanced materials, often used in aerospace and automotive industries, can be precisely cut up to 15mm. The non-contact nature of laser cutting is beneficial for maintaining the integrity of delicate composite structures.
  • Brass: Being a reflective material, brass is generally more challenging for lasers. However, a 6000W fiber laser can cut brass up to 8mm thick, showcasing its versatility even with more reflective alloys.

Factors Influencing Cutting Performance

While the power of the laser is a primary factor, other elements contribute to the cutting thickness and quality:

  • Assist Gas: The type and pressure of assist gas (e.g., oxygen for carbon steel, nitrogen for stainless steel) significantly impact cut quality and speed.
  • Lens and Nozzle: Proper focal length and nozzle design are crucial for concentrating the laser beam and efficiently expelling molten material.
  • Machine Stability: A robust machine frame and precise motion control ensure consistent cutting accuracy, especially at higher thicknesses.
  • Material Quality: Variations in material composition or surface finish can affect cutting performance.

In summary, a 6000-watt fiber laser is a robust solution for a variety of industrial cutting needs, capable of handling a broad spectrum of materials with impressive maximum thicknesses.