Laser cutting machine cutting carbon steel and stainless steel skills

As common metal materials, carbon steel and stainless steel are widely used in various industries, so laser cutting machines are undoubtedly the first choice for processing and cutting. However, many people do not understand the use of laser cutting machines, which can lead to unexpected situations. Next, we will discuss some of the carbon steel and stainless steel cutting skills that the laser cutting machine must see, I hope you read it carefully!

What are the skills of laser cutting machine for cutting carbon steel plate and stainless steel plate?

1: Precautions for cutting stainless steel plates

1. The stainless steel surface of the laser cutting machine is rusty.

When the surface of our stainless steel material is rusty, it is difficult to cut the material, and the final processing effect will be poor. When the surface of the material is rusted, the laser cutting will repel the nozzle, which can easily damage the nozzle, and the over-elevation problem can also damage the components. When the nozzle changes, the cutting laser will move. Accurate conditions can damage the optical system and protection system, and may even lead to an explosion accident in processing. Therefore, before cutting, the rust on the surface of the material should be removed.

2. Laser cutting stainless steel surface painting

Paint on the surface of stainless steel is usually not common, but we also need to pay attention, because paint is usually a toxic substance, it is easy to produce smoke during the processing process, which is harmful to the human body, so when cutting painted stainless steel materials , The paint on the surface must be cleaned.

3. Surface coating of stainless steel material for laser cutting machine

Stainless steel surface coating is often found in our daily processing, but if we follow the traditional processing technology, it will not work properly. When equipment is cutting stainless steel, cutting technology is usually used. In order to ensure that the film is not damaged, we usually cut one side of the film, and the non-film side faces down.

2: Techniques for cutting carbon steel plates

1. When laser cutting carbon steel, burrs will appear on the processed parts; possible reasons include:

(1) If you change the focus position of the laser, please perform a focus position test and adjust it according to the focus change of the laser;

(2) The laser output power is insufficient. It is necessary to check whether the laser generator is working properly. If it is normal, please check whether the output value of the laser control button is correct, if not, please adjust it.

(3) The speed of the cutting line is too slow, the speed of the cutting line must be increased in the operation inspection;

(4) The purity of the cutting gas is not enough, it is necessary to provide high-quality cutting working gas;

(5) The machine has been running unstable for too long and needs to be shut down and restarted.

1. The laser is not completely cut;

(1) The choice of laser nozzle does not match the thickness of the processing board, please replace the nozzle or processing board;

(2) The speed of the laser cutting line is too fast, and operation control is required to reduce the speed of the cutting line.

2. Abnormal sparks will appear when cutting low-carbon steel; when cutting low-carbon steel normally, the fire branch is longer and flat, with fewer branch ends. The appearance of abnormal sparks will affect the smoothness and processing quality of the cut part of the workpiece. At this time, when other parameters are normal, the following conditions should be considered:

(1) The loss of the laser head nozzle is serious, and the nozzle needs to be replaced in time;

(2) Without replacing the nozzle with a new one, the pressure of the cutting working gas must be increased;

(3) If the wire at the connection between the nozzle and the laser head is loose, please stop cutting immediately, check the connection status of the laser head, and then reinstall the wire.

The above are the skills of laser cutting machine to cut carbon steel plate and stainless steel plate. I hope everyone needs more attention when cutting! The cutting materials are different, the skills are different, and the situation is different. We need to treat it in specific situations.