铸工车间的噪声危害工人的听觉,过量的噪声会造成“噪声性耳聋”;噪音干扰语言通讯,使操作者极易疲劳和烦噪;铸工车间周围的居民控告不断增加。因此必须根据声源特性选择控制措施,对车间的布置规划和制定合适的操作规程是不可忽视的问题。车间或工厂,某一区域可能有噪声危害存在, Castor workshop noise endangering workers’ hearing, excessive noise can cause “noise deafness”; noise interferes with language communication, making the operator vulnerable to fatigue and boredom; residents accused around casting mills continue to increase. Therefore, it is necessary to select control measures according to the characteristics of the sound source, and it is a problem that can not be neglected to plan the workshop layout and formulate suitable operation rules. Workshop or factory, a region may have noise hazards exist,