What is the danger of hanging type spot welding (resistance welding) radiation to the human body? The power supply is 380V after the voltage change is below 36V and produces about 10000 Amperes
Arc welding, welding, coating and base metal electrode in high temperature in the arc melting, evaporation, oxidation, condensation, soot produced a lot of metal oxides and other substances, long-term inhalation can cause pneumoconiosis. Welders' pneumoconiosis generally occurs in the closed, poor ventilation work conditions, length of service for 18 years on average about [3]. Pulmonary function test showed that exposure to welding fumes can cause the damage of pulmonary function of welders to a certain extent, pulmonary function indexes of FVC, FEV1.0, FEV1.0%, MMF, V50, V25, PEFR and [4] were significantly decreased; the pulmonary ventilation function of smoking and dust on welders may produce synergistic effect; the pulmonary ventilation function of welders damage increases as the exposure time prolonged trend [5].
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Arc welding in the frequency range of the infrared to the ultraviolet band, the photon energy in the range of 1 ~ 10eV (unit electron volts), photon energy directly determines the degree of damage effect of radiation on the human body, the photon frequency not ionizing radiation injury is very small, small enough to not specifically calculate it, but for a long time the contact is not good
