Precautions for Forging Process
1. Forging process is to cut the material into the required size, heating, forging, heat treatment, cleaning and testing. In small-scale forging, all these operations are carried out by a number of forgeers in a small site, exposed to the same harmful environmental and occupational hazards; in large forging workshops, hazards vary according to the workplace . Moderate intensity of physical labor, dry and hot micro-climate, noise and vibration, air pollution by smoke
2. Workers are also exposed to high temperature air and heat radiation, resulting in heat accumulation in the body, combined with calories of heat, will cause thermal imbalance and pathological changes. 8 hours of work will be the amount of sweat with the small gas environment, physical exertion and thermal adaptability vary between 1.5 to 5 liters, or even higher. In the forging plant near the furnace or the working point of the falling hammer. Easily lead to lack of salt and heat cramps. In the cold season, exposure to changes in microclimate may contribute to its adaptability to some extent, but rapid and frequent changes may pose a health hazard. Forging production is in the state of metal glow (such as low carbon steel forging temperature range of 1250 ~ 750 ℃), due to a large number of manual labor, carelessness may be burns.
The air in the workplace may contain soot, carbon monoxide, carbon dioxide, sulfur dioxide, or acrolein, depending on the type of furnace fuel and the impurities it contains, as well as the combustion efficiency, airflow and ventilation.
Forging production equipment used in such as air hammer, steam hammer, friction presses, etc., are issued by the impact of work. Equipment to withstand this impact load, itself is easy to sudden damage (such as forging hammer piston rod suddenly broken), and cause serious injury accidents. Noise and vibration: The forging hammer will inevitably produce low frequency noise and vibration, but may also have a certain high-frequency components, the sound pressure level between 95 to 115 decibels. Workers exposed to forging vibrations can cause temperamental and functional imbalances that reduce work ability and affect safety.
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