Tabletop CNC Plasma Cutting Materials

CNC Fiber Laser Cutting Thickness Chart: Mild Steel, SS, Aluminum & Brass

Key takeaways

  • Thickness charts help avoid trial and error in cutting.
  • Among all metals, mild steel is the easiest to cut.
  • Nitrogen gas and precision are required in stainless steel.
  • Aluminum and brass need a sophisticated laser.
  • The quality of the machines has a direct impact on cutting performance.
  • Best results are achieved with recommended thickness.

CNC fiber laser cutting thickness charts help define the maximum and optimum cutting limits of metals such as mild steel, stainless steel, aluminum, and brass. These charts ensure clean cuts, save time, and prevent machine damage. In simple terms, they guide you on how thick a material can be cut safely and efficiently.

What is a CNC fiber laser thickness chart?

A CNC fiber laser cutting thickness chart is a simple reference table that shows the maximum thickness of a metal sheet that can be cut using different levels of laser power.

It usually includes:

  • Type of material (mild steel, SS, aluminum, brass)
  • Laser power (1kW, 2kW, 3kW, etc.)
  • Maximum cutting thickness
  • Recommended thickness for a smooth finish

Moreover, it helps operators avoid guesswork. Instead of experimenting, they can follow defined limits, which improves productivity and reduces material waste.

At companies like Best Techno Dynamics, these charts are used to help customers choose the most suitable machine based on their cutting requirements.

Why thickness limits matter in laser cutting?

It is very important to understand thickness limits in laser cutting. When you try to cut beyond these limits, it can result in poor quality cuts and unnecessary stress on the machine.

This is why it is important:

  • Clean edges: Correct thickness ensures smooth and burr-free cuts.
  • Increased speed: Machines perform efficiently within defined limits.
  • Less damage: Prevents overheating and nozzle damage.
  • Cost saving: Reduces material wastage.

However, exceeding these limits can lead to jagged edges and incomplete cuts. Therefore, it is always better to follow the recommended thickness instead of pushing the machine to its maximum capacity.

Mild steel cutting thickness guide

The most widely used material in laser cutting is mild steel. It is easy to cut and delivers consistent, high-quality results.

Below is a general thickness chart:

Laser Power Max Thickness Recommended Thickness
1kW 8 mm 6 mm
2kW 12 mm 10 mm
3kW 16 mm 14 mm
6kW 25 mm 22 mm

Key points:

  • Oxygen is commonly used as an assist gas.
  • Cutting speed is faster compared to other metals.
  • Produces clean edges when proper settings are used.

Furthermore, many CNC fiber laser cutting machine manufacturers design their systems primarily for mild steel due to its high demand in industrial applications.

Stainless steel (SS) thickness chart

Stainless steel is harder to cut compared to mild steel and requires higher precision along with proper gas settings.

Typical thickness chart:

Laser Power Max Thickness Recommended Thickness
1kW 4 mm 3 mm
2kW 8 mm 6 mm
3kW 10 mm 8 mm
6kW 16 mm 12 mm

Important notes:

  • Clean cutting is achieved using nitrogen gas.
  • No oxidation occurs on edges.
  • Cutting speed is slower compared to mild steel.

Additionally, beam quality and focus positioning play a crucial role in achieving precise stainless steel cutting.

Aluminum cutting thickness guide

Aluminum is a soft and highly reflective material. It requires an advanced fiber laser system for effective cutting.

Thickness chart:

Laser Power Max Thickness Recommended Thickness
1kW 3 mm 2 mm
2kW 6 mm 5 mm
3kW 8 mm 6 mm
6kW 14 mm 10 mm

Key considerations:

  • An advanced laser source is required to handle high reflectivity.
  • Nitrogen or air is commonly used as assist gas.
  • Heat control is essential to prevent deformation.

A good CNC machine manufacturer in Gujarat will help you to choose the machines that can be used in processing aluminum.

Brass cutting thickness guide

Brass is also a reflective material and slightly more difficult to cut compared to steel. It requires proper control and advanced laser settings for effective cutting.

Thickness chart:

Laser Power Max Thickness Recommended Thickness
1kW 2 mm 1.5 mm
2kW 4 mm 3 mm
3kW 6 mm 4 mm
6kW 10 mm 8 mm

Important tips:

  • Apply proper protective settings to handle reflection.
  • Maintain correct assist gas pressure.
  • Use high-quality optics for better precision.

Fiber lasers are widely preferred by CNC laser machine dealers due to their improved control, safety, and efficiency when cutting brass.

What affects laser cutting thickness?

Laser power is not the only factor that determines cutting thickness capacity. Several other elements also influence overall performance and cutting quality.

Main factors include:

  • Laser power: Higher power increases cutting capacity.
  • Material type: Steel is easier to cut than aluminum or brass.
  • Assist gas: Oxygen, nitrogen, or air can affect cutting results.
  • Cutting speed: Slower speeds allow deeper cuts.
  • Focus position: Proper focus improves precision and quality.
  • Machine quality: High-quality machines ensure consistent output.

Additionally, environmental conditions and operator skill also play an important role in achieving optimal cutting performance.

How to choose the right machine?

Selecting the right CNC fiber laser cutting machine depends on your specific production requirements.

Consider these factors:

  • Type of materials you frequently cut
  • Maximum thickness required
  • Production volume
  • Budget and maintenance cost

If your work mainly involves thin sheets, a lower-power machine is sufficient. However, heavy industrial applications require higher power machines for efficient performance.

Best Techno Dynamics helps businesses choose the right machine based on real production needs, ensuring better efficiency, reliability, and long-term performance.

Additionally, many CNC laser cutting machine manufacturers in Gujarat offer customized solutions based on industry-specific requirements.

Final thoughts

To cut metal efficiently, cleanly, and accurately, a CNC fiber laser cutting thickness chart is necessary. It directs operators on safe limits and enhances productivity. It could be mild steel, stainless steel, aluminum, or brass, but in any case, it is better to follow the correct thickness. Therefore, the Best Techno Dynamics is one of the manufacturers of CNC fiber laser cutting machines that can be trusted to perform well and provide expert advice.

Frequently asked questions

  • What is the maximum thickness a fiber laser can cut?
    The maximum thickness depends on laser power, material type, and machine quality to ensure effective and clean cutting.
  • Which metal is easiest for fiber laser cutting?
    Mild steel is the easiest to cut because it has low reflectivity and absorbs heat efficiently during the cutting process.
  • Why is aluminum harder to cut with a laser?
    Aluminum reflects laser beams, which requires advanced systems and precise control for stable and accurate cutting.
  • Does higher power always mean better cutting?
    Higher power helps in cutting thicker materials, but machine settings and material type also play a crucial role in overall cutting quality.

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