What Are Some Common Nozzle Selections in The Laser Cutting Process?

In the world of laser cutting, selecting the right nozzle is crucial to achieving precise and efficient cuts. When it comes to fiber laser cutting machines, there are several common nozzle options that are widely used in the industry.

One popular choice is the standard single or double-layer nozzle, which is suitable for cutting materials such as mild steel, stainless steel, and aluminum. These nozzles are versatile and can provide good cutting quality across a range of material thicknesses.

For cutting thicker materials or for applications requiring higher cutting speeds, a high-power nozzle may be the preferred option. These nozzles are designed to withstand the intense heat generated by the laser beam and can help to achieve faster cutting speeds without compromising on cut quality.

Another common nozzle choice is the ceramic or copper nozzle, which is often used for cutting reflective materials like brass and copper. These nozzles have a higher resistance to heat and can help to minimize the risk of nozzle damage during the cutting process.

In addition to the nozzle material, the nozzle size is also an important factor to consider. Smaller nozzles are typically used for precision cutting applications, while larger nozzles are better suited for cutting thicker materials or for applications where speed is a priority.

Overall, the choice of a nozzle in fiber laser cutting machines plays a significant role in determining the quality, speed, and efficiency of the cutting process. By selecting the right nozzle for the job, manufacturers can ensure that they are able to achieve the desired results with precision and consistency.

So for example:

1. Single-layer nozzle

Symbol: S (Single)

Shape characteristics: The inner wall is conical, and the high-pressure gas slag blowing flow is large.

Use: Air/nitrogen cutting of stainless steel, galvanized sheet, aluminum and other materials.

2. Double-layer nozzle

Symbol: D (Double)

Shape characteristics: The double-layer compound adds an inner core on the basis of the single layer.

Use: Oxygen cutting, double-layer 2.0 or above is used for carbon steel sand surface cutting.

3. High-speed single-layer

Symbol: SP

Shape characteristics: The nozzle shape is pointed, and the inner wall is a stepped cone.

Use: Mainly used for high-power high-speed bright surface cutting or oxygen negative coke cutting of carbon steel thicker than 20mm.

4. High-speed single-layer

Symbol: ST

Shape characteristics: The nozzle shape is pointed, the inner wall is conical, and the nozzle mouth area is larger than SP

Use: Mainly used for high-speed bright surface cutting of carbon steel thicker than 20mm, with stable follow-up and better effect.

5. High-speed double-layer

Symbol: DE

Shape features: The nozzle is pointed, and the three holes on the inner core edge are larger than the ordinary double-layer.

Use: Mainly used for high-power, high-speed, bright-surface cutting of carbon steel within 20mm.

6. Storm nozzle (boost nozzle)

Symbol: B (Boost)

Shape features: Based on the single-layer nozzle, the nozzle mouth is improved to have a step.

Use: Can be used for high-power nitrogen or air low-pressure cutting of stainless steel and carbon