Learn About Air Compressor for Fiber Laser Cutting Machines

During the cutting process, the fiber laser cutting machine usually needs to be used with an air compressor to provide the necessary gas support. The following are several main aspects of the use of air compressors for fiber laser cutting machines:

1. Influence

When the fiber laser cutting machine uses laser to cut workpieces, the quality of compressed air, the quality of workpiece materials, and the performance and quality of the laser cutting equipment all affect the cutting accuracy and surface quality. If the profile used for processing the workpiece is of poor quality and has defects such as cracks, sand inclusions, and pores, it will also greatly increase the scrap rate of the final molded parts. At this time, if the quality of the laser cutting equipment is unqualified, the scrap rate will increase, and it will have a certain impact on the stability of the overall production.

2. Function and Role

Aiding cutting gas: The compressed air provided by the air compressor can be used as aiding cutting gas. During the laser cutting process, compressed air is sprayed into the cutting area to help remove the molten material (slag) generated during the cutting process, thereby improving the cutting quality and accuracy.
Improving cutting effect: Using compressed air can reduce the oxidation of the material surface, reduce the heat-affected area, and reduce deformation after cutting. Therefore, compressed air can help obtain better cutting edge quality.
Cooling effect: In some cutting applications, compressed air can also play a cooling role, helping to maintain the temperature of the laser cutting head and the surrounding environment, thereby protecting the equipment and improving cutting accuracy.

3. Types of Air Compressors

Fiber laser cutting machines usually use the following types of air compressors:
Piston air compressors: widely used in small and medium-sized laser cutting machines, suitable for general use.
Screw air compressors: suitable for large laser cutting machines, providing more stable and continuous airflow, suitable for high-intensity and long-term work.
Oil-free air compressors: In occasions with high air quality requirements (such as electronic component cutting), oil-free air compressors can provide cleaner compressed air.

4. Precautions

• Manually exhaust and drain the air tank before starting the machine every day;
• After turning on the cold dryer for 3 minute; turn on the compressor and wait for the pressure in the pipeline to be greater than 0.5MPa; turn on the adsorption dryer;
• When shutting down, it is necessary to ensure that the pipeline pressure is greater than 0.5MPa before turning off the adsorption test dryer;
• Note that the compressor fan starts and stops normally and the temperature is normal;
• Choosing a suitable air compressor requires ensuring that its pressure and flow can meet the requirements of the fiber laser cutting machine. Generally, the air pressure required by the cutting machine is between 0.5 and 1.5 MPa, and the flow rate depends on the material and thickness being cut.
• When using an air compressor, ensure that the compressed air is properly filtered and dried to remove moisture and impurities to prevent contamination of materials and equipment during the cutting process.
• Regularly maintain and inspect the air compressor to ensure its normal operation and stable output to avoid a decrease in cutting quality due to malfunctions.

Summary

The air compressor plays an important role in the fiber laser cutting machine, ensuring the quality and efficiency of laser cutting by providing cutting-assisting gas, improving cutting results, and maintaining the normal operation of the equipment. Choosing the right air compressor and properly maintaining it are essential to achieve efficient and precise cutting results.

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