我国钢铁企业机械加工车间中普遍使用着各种重量不同的空气锤。根据“工业噪声标准研究”协作组1978年的调查,其噪声高达94～102分贝(A)以上,严重危害工人的身心健康。为了治理这种噪声,由工卫所设计、指导,大型厂负责制作,在大型厂机修车间锻工房400公斤空气锤上试制成功一 China’s iron and steel enterprises in the machining shop generally use a variety of different weight air hammer. According to the 1978 survey conducted by the Research Group on Industrial Noise Standards, the noise was as high as 94-102 dB (A), seriously damaging the physical and mental health of workers. In order to control this noise, designed by the Health Department, guidance, large-scale plant responsible for the production, in the large workshop mechanic workshop forging room 400 kilograms of air hammer trial success