What are the occupational hazards of laser cutting machines?

Using the high-energy-density energy produced by laser focusing to perform laser cutting, through the optical path system, it is focused into a high-power-density laser. When the laser is irradiated on the surface of the workpiece, the workpiece reaches the melting point or boiling point. When the high-pressure gas is coaxial with the beam, the metal will be melted or vaporized. Its high processing accuracy, fast cutting speed, not limited by cutting patterns, automatic typesetting, saving materials, smooth cuts, low processing costs, etc., will gradually improve or replace traditional metal cutting equipment.

How can we work efficiently while minimizing the damage to the human body caused by the laser cutting machine?

Analysis of occupational hazards brought by laser cutting machine:

1. Eyes

When I first come into contact with laser cutting machine, I always like to stare at the cutting head. Watching for a long time will produce sparks, hurt the eyes, and have a tingling sensation. In the laser cutting process, the characteristics of the emitted laser light make the energy highly concentrated in space and time. The image is formed by focusing the refractive medium of the eyeball on the retina. Compared with the energy density on the cornea, the energy density on the retina is increased by 104~105; the laser has good monochromaticity and small fundus chromatic aberration. Under the irradiation of very small laser energy, it will cause damage to the cornea or retina.

Note: Other people in the work area cannot look directly at the laser during the cutting process. It refers to the protective glasses that prevent lasers from hurting people’s eyes. According to their protection principles, they can be divided into reflective, absorbing, diffractive, and composite types. The protective glasses are filtered and protected according to the laser radiation wavelength of the laser cutting machine to achieve Protection of the laser cutting machine of the human body laser cutting machine.

2. Skin

Excessive laser irradiation on the skin can cause skin damage. If exposed to the sun for a long time, it will leave scars, which should also be paid attention to.

Precautions before they happen: You can avoid the laser cutting machine as much as possible, which requires the attention of the laser cutting machine operator and other personnel. Do not touch the completed part immediately to avoid burns due to residual temperature.

3. Breathing

Due to the high temperature generated by the laser and the gas, various processing is completed, and a large amount of dust is also generated, especially when processing some special metal materials. There are many chemical components in the air, and the dust will be suspended in the air, and inhalation is harmful to the human body.

Note: Wear a dust mask during working hours.

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