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机械压力机的噪声属于工业噪声,机械工业部1980年10月修订的《单、双点压力机产品质量分等规定》中规定:合格品噪声≤90dB(A),优等品噪声≤87dB(A),一等品噪声≤88dB(A)。同时,我国《工业企业噪声卫生标准》中规定:新建工厂的噪声≤85dB(A),改建工厂的噪声≤90dB(A)。实际上,机械压力机在工作过程中产生的噪声一般为90~110dB(A),远超过上述规定。因而需要采取有效措施,对其噪声加以控制。
Mechanical press noise belongs to industrial noise, the Ministry of Machinery Industry revised in October 1980 “single and double point press product quality classification requirements” provides: Qualified product noise ≤ 90dB (A), superior product noise ≤ 87dB (A ), First-class noise ≤ 88dB (A). At the same time, China’s “Noise Standard for Industrial Enterprises” stipulates that the noise of new factories should be ≤85dB (A) and the noise of rebuilt factories should be ≤90dB (A). In fact, the mechanical noise generated during the work of the noise is generally 90 ~ 110dB (A), far exceeding the above requirements. Therefore, effective measures need to be taken to control the noise.