Judging from the impact of two factors, on the one hand, the domestic enterprise environment is relatively poor; on the other hand, the operator-related prevention awareness is weak. We know that the latter is more harmful than the former. The poor business conditions can be improved, but the operator's awareness is not enough, it is difficult to change. In China, the incidence of occupational diseases in general welding and cutting workers is significantly higher than that of the world counterparts.
The reason why the CNC cutting machine uses occupational diseases remains high, and more is the lack of understanding of the cause and prevention knowledge of CNC cutting machine occupational diseases. Shanxi Huaheng CNC Equipment Co., Ltd. has been engaged in the research, development, production and sales of CNC cutting machines for many years. Many enterprise field operators, in their communication with them, we found that many welding and cutting workers do not lack protection for themselves, so what is the cause? To this end, we have compiled and summarized relevant technical data, and explained the use of occupational disease prevention and safety measures on CNC cutting machines as follows:
　  The occurrence of occupational diseases of CNC cutting machine welders mainly depends on the following factors: the concentration and nature of CNC cutting dust and gas and its pollution degree, the opportunity and duration of exposure of welders to harmful pollution, the physical and personal protection status of welders, and the production environment of welders. The pros and cons and the interaction of various harmful factors. Only when the welding work environment is poor or lack of labor protection for long-term operation, can cause occupational diseases.
　  Medical clinical manifestations of physical pollution are diverse. Noise can cause operator irritability and headache; the main role of high-frequency electromagnetic radiation on the human body is neurasthenia syndrome, such as dizziness, headache, fatigue, palpitations, weight loss, hair loss, etc.; optical radiation causes electro-optic eyes during CNC cutting The occurrence of inflammation, mild eye discomfort, foreign body sensation, severe burning and severe pain in the eyes. The occurrence of CNC cutting occupational diseases is the result of the comprehensive action of various CNC cutting pollution factors. Welder occupational diseases include welder pneumoconiosis, manganese poisoning, fluorosis, metal smoke fever and electro-optic ophthalmia. Among them, the medical clinical manifestations of chemical pollution (CNC cutting dust and harmful gases) are cough, expectoration, chest tightness, shortness of breath and sometimes hemoptysis.  Â
Improve the skill level of the operator . High-level CNC cutting workers can perform operational rules flexibly and flexibly in the CNC cutting process. Compared with unskilled workers, the dust generation is reduced by more than 20%, the CNC cutting speed is 10% faster, and the CNC cutting quality is good. The skilled trade union constantly observes the degree of drying of the welding rod, the inclination angle of the welding rod, the length of the welding rod and the position of the weldment, and makes corresponding technical adjustments. This reduces contamination and increases cutting speed and quality.
　  Prevention, treatment and development direction of pollution in CNC cutting workshop : The three ways to prevent pollution in CNC cutting workshops are the control of pollution sources, the treatment of transmission routes, and personal protection. Â
1. Control of pollution sources
　  The type and quantity of each pollution generated in the CNC cutting process depends on the production process, production equipment and the technical capabilities of the operator.
　 2. Optimization of production process
　  The types and quantities of pollutants produced by different CNC cutting processes are quite different. When conditions permit, mature hidden arc welding should be used instead of open arc welding, which can greatly reduce the pollution level of pollutants.
　 3. Equipment improvement
　  Under the premise of determining the production process, equipment with high degree of mechanization and automation should be selected. Low dust and low toxicity electrodes should be used to reduce soot concentration and toxicity. When purchasing new equipment, attention should be paid to the environmental performance of the equipment, and more integrated equipment equipped with purification components should be selected.
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